SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '210') ORDER BY date DESC, patent, type |
Total of 108 patents found where: Class is '174'; Subclass is '210';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1964 | ||||||
U | 3,141,063 | July 14, 1964 | Toughened Glass, Pin Type Insulator Glass tempering method |
EDWARDS, Derrik R. |
Glass | Pilkington Brothers Limited |
1951 | ||||||
U | 2,576,723 | November 27, 1951 | Electric Insulator Having Potential Drop Controlling Means RFI design using two conductive coatings of different temperature expansion |
PERRINS, George |
RFI | Bullers Limited |
1943 | ||||||
U | 2,317,799 | April 27, 1943 | Line Insulator Insulator composed of a metallic hollow shell coated with ceramic material |
PERLES, Maurice |
Insulator | Mycalex Corp. of America |
1940 | ||||||
U | 2,215,152 | September 17, 1940 | Insulator Rubber insert |
HOSFIELD, Glenn E. |
Rubber | |
U | 2,198,734 | April 30, 1940 | Insulator Suspension disk with crown more tempered than skirt for strength |
LITTLETON, Jesse T. |
Suspension | Corning Glass Works |
1937 | ||||||
U | 2,088,433 | July 27, 1937 | Fog and Dust Insulator U-816 series |
PLIMPTON, Bentley A. |
Insulator | Locke Insulator Corp. |
1935 | ||||||
U | 1,997,666 | April 16, 1935 | Insulator RFI multipart design with metal cap over crown with extension over coated area of top shell and metallic coating on each shell below cement joint |
WHISLER, George M. |
RFI | Westinghouse Electric & Mfg. Co. |
U | 1,997,688 | April 16, 1935 | Insulator RFI: coat crown with copper glaze to prevent radio interference |
HUNT, Marsden H. BARROW, George M. |
RFI | Westinghouse Electric & Mfg. Co. |
U | 1,994,281 | March 12, 1935 | Insulator Fog type multipart & suspension insulator similar to oil types with inverted mating cup |
LUSIGNAN, JR., Joseph T. |
Fog Type | The Ohio Brass Co. |
1934 | ||||||
U | 1,983,569 | December 11, 1934 | Pedestal Switch Insulator Pedestal insulator to support switch gear or bus bar |
ROWLAND, Davidge H. |
Pedestal | Locke Insulator Corp. |
U | 1,967,654 | July 24, 1934 | Insulator Fog type multipart & suspension insulator with porous coating, wire screen for RFI |
AUSTIN, Arthur O. |
Fog Type | The Ohio Brass Co. |
U | 1,955,609 | April 17, 1934 | Insulator U-856A fogbowl |
ROWLAND, Davidge H. |
Insulator | Locke Insulator Corp. |
U | 1,944,383 | January 23, 1934 | Oil Bath Insulator Oil type insulator using oil cup attached to edge of insulator and protective cover attached to prevent contamination from fog or rain |
WEILL, Robert |
Oil | |
1933 | ||||||
U | 1,927,106 | September 19, 1933 | Insulator Carrier circuit insulator with metal skirt coated with insulating material |
WILSON, Leon T. |
Carrier | American Telephone & Telegraph Co. |
1932 | ||||||
U | 1,877,630 | September 13, 1932 | High Tension Insulator Multipart cementing technique using a resilient layer or shaped sleeve |
SCHEID, Johann Friedrich |
Multipart | Hermsdorf-Schomburg-Isolatoren G. M. B. H. |
U | 1,872,557 | August 16, 1932 | Article of Manufacture RFI metal coating around the crown of an insulator so the tie-wire and conductor can be soldered to the coating |
BARROW, George M. |
RFI | Westinghouse Electric & Mfg. Co. |
U | 1,854,459 | April 19, 1932 | Insulator Skirts upturned with drain holes |
DIENNER, John A. |
Skirt | |
1931 | ||||||
U | 1,824,766 | September 29, 1931 | Insulator Thread insert of dry process porcelain, split & secured by glazewelding |
BARROW, George M. |
Thread | Westinghouse Electric & Mfg. Co. |
U | 1,823,676 | September 15, 1931 | Insulator with Nested Parts Multipart insulators with metal cap in cement joint of the outer two joints to add strength to the insulator |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
1930 | ||||||
U | 1,758,462 | May 13, 1930 | Insulator Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process |
OSBORNE, David Henry |
Multipart | Electric Service Supplies Co. |
1929 | ||||||
U | 1,735,560 | November 12, 1929 | Insulator for Withstanding Fog Conditions Multipart porcelain insulator with heating elements embedded in the surface to keep surface of insulator dry during fog |
AUSTIN, Arthur O. |
Fog Type | The Ohio Brass Co. |
U | 1,730,170 | October 1, 1929 | Insulator Design with metal pin and metal projections to prevent arc-over |
SMITH, Harold B. |
Suspension | Westinghouse Electric & Mfg. Co. |
U | 1,730,171 | October 1, 1929 | Insulator Design with metal pin and metal projections to prevent arc-over |
SMITH, Harold B. |
Suspension | Westinghouse Electric & Mfg. Co. |
U | 1,716,123 | June 4, 1929 | Insulator Multipart with external cement joints covered with tar for RFI |
GODDARD, Walter T. |
Multipart | Locke Insulator Corp. |
1928 | ||||||
U | 1,695,458 | December 18, 1928 | Insulator Multipart (& suspension disk) with spacing cap and molten metal as cement |
GODDARD, Walter T. |
Multipart | Locke Insulator Corp. |
U | 1,694,415 | December 11, 1928 | Insulator Under crossarm type (see 955,661) |
GORDON, Chester S. |
Under | American Telephone & Telegraph Co. |
U | 1,677,346 | July 17, 1928 | Insulator Fogbowl suspension |
JACKSON, Ray P. |
Fog Type | Westinghouse Electric & Mfg. Co. |
U | 1,672,059 | June 5, 1928 | Insulator Multipart cement joint with alternating elastic bands & coated surfaces |
COOK, William S. |
Multipart | |
1927 | ||||||
U | 1,649,853 | November 22, 1927 | Sectional Insulator Multipart design with nested parts forming the cement joints |
PECK, John M. |
Multipart | The Porcelain Insulator Corp. |
U | 1,647,695 | November 1, 1927 | Method of Assembling Insulators Manufacturing method of using adhesive to hold shells together before injecting cement and sealing edges of the cured cement joint |
HAWLEY, Kent Allen |
Manufacturing | Locke Insulator Corp. |
1926 | ||||||
U | 1,610,085 | December 7, 1926 | Insulator Multipart, alternating elastic bands & roughened surface aids cementing |
GODDARD, Walter T. |
Multipart | Locke Insulator Corp. |
1925 | ||||||
U | 1,558,499 | October 27, 1925 | Insulator Construction Multipart cementing of sections using resilient cement and non-resilient cement |
PECK, John M. |
Multipart | The Porcelain Insulator Corp. |
U | 1,536,749 | May 5, 1925 | Insulator Multipart (RFI) with sanded, metal coated groove & cement (see 1,284,975) |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
1924 | ||||||
U | 1,484,569 | February 19, 1924 | Ceramic Body Method of making a suspension disk by inserting a fired porcelain part inside the bottom of an unfired disk, then firing the disk, which shrinks around the insert securing a cemented pin inside |
SCHEID, Johannes Friedrich |
Suspension | H. Schomburg & Shone |
1923 | ||||||
U | 1,478,912 | December 25, 1923 | Insulator Multipart with cement around lower edge of shell |
PLIMPTON, Bentley A. |
Multipart | 1/2 to The Porcelain Insulator Co. |
U | 1,458,754 | June 12, 1923 | Insulator Multipart with outer angular, flush, mating surfaces and cemented |
GODDARD, Walter T. |
Multipart | Locke Insulator Corp. |
U | 1,456,960 | May 29, 1923 | Joint for Articles of Ceramic and Similar Materials and Method of Producing Same Multipart joined by sand, glaze-welding and/or differential shrinkage |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
1922 | ||||||
U | 1,431,137 | October 3, 1922 | Joint for Articles of Ceramic and Similar Materials and Method of Producing Same Multipart joined by sand, glaze-welding and/or differential shrinkage |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
U | 1,426,421 | August 22, 1922 | Condenser Cemented Sectional Insulator Multipart using metallic cement and metal sheath covering skirts |
SONNEBORN, Sol S. |
Multipart | Hopewell Insulation & Mfg. Co. |
1921 | ||||||
U | 1,374,998 | April 19, 1921 | Insulator Multipart porcelain insulator of Faradoid design (spelling for other patents: GILCHREST, George Irving) |
FORTESCUE, Charles Le G. GILCHREST, George I. |
Multipart | Westinghouse Electric & Mfg. Co. |
1920 | ||||||
R | 14,888 | June 22, 1920 | Insulator Multipart design similar to Faradoid 1,374,998 (reissue of 1,311,067) |
GODDARD, Walter T. |
Multipart | Locke Insulator Mfg. Co. |
1919 | ||||||
U | 1,311,067 | July 22, 1919 | Insulator Multipart similar to Faradoid patent 1,374,998 (see reissue 14,888 on 6-22-1920) |
GODDARD, Walter T. |
Multipart | |
U | 1,291,713 | January 21, 1919 | Separable Part Insulator Multipart (& suspension) with cemented, threaded metal shells screwed together |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
U | 1,290,673 | January 7, 1919 | Sectional Pin Insulator Multipart with sections screwed together with threaded metal bands |
SONNEBORN, Sol S. |
Multipart | |
1918 | ||||||
U | 1,284,975 | November 19, 1918 | Sanded Insulator and Method of Making Same Multipart and suspension sanded joints (see 1,536,749) |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
U | 1,284,976 | November 19, 1918 | Insulator Multipart and suspension cemented metal part designs |
AUSTIN, Arthur O. |
Multipart | The Ohio Brass Co. |
1917 | ||||||
U | 1,251,013 | December 25, 1917 | Insulator Joint Multipart without cement held by adjoining metal bands |
GODDARD, Walter T. |
Multipart | |
U | 1,249,820 | December 11, 1917 | Insulator Composition insulator with side cable clamp |
PHARO, Harry A. SCHAAKE, William |
Composition | Westinghouse Electric & Mfg. Co. |
1916 | ||||||
U | 1,205,971 | November 28, 1916 | Electric Insulator Threads (metallic) or sleeve attached electrolytically |
BUSCHETTI, Claudis |
Thread | |
U | 1,191,186 | July 18, 1916 | Insulator Multipart insulator composed of easily assembled identical shells |
JACKSON, Ray P. |
Multipart | Westinghouse Electric & Mfg. Co. |
1915 | ||||||
U | 1,159,409 | November 9, 1915 | Electric Insulator Multipart bus bar type that can be screwed together |
MULLER, Auguste R. |
Multipart | |
U | 1,128,424 | February 16, 1915 | Insulator Suspension multipart insulator fitted with arcing horns |
DUNCAN, John D. E. |
Suspension | |
1914 | ||||||
U | 1,093,479 | April 14, 1914 | Insulator Multipart using interchangeable shells cemented to leave air pocket |
SANFORD, JR., Joseph A. |
Multipart | The R. Thomas & Sons Co. |
1913 | ||||||
U | 1,069,782 | August 12, 1913 | Electric Insulator Multipart cable clamp using metal crown cap |
HILLIARD, John D. |
Multipart | |
U | 1,065,737 | June 24, 1913 | Insulator and Support Spiral conical insulator for tightening of line wire |
SLONECKER, Abiram J. |
Spiral | |
1911 | ||||||
U | 1,001,137 | August 22, 1911 | Insulator Protector Arcing device attached to top and bottom of insulator |
GODDARD, Walter T. |
Arcing | Locke Insulator Mfg. Co. |
U | 998,359 | July 18, 1911 | High Voltage Insulator Suspension type |
LOCKE, Fred M. |
Suspension | Locke Insulator Mfg. Co. |
1910 | ||||||
U | 974,177 | November 1, 1910 | Insulator for High Tension transmission systems Suspension insulator with yieldable slugs to distribute strain pressure |
NOEGGERATH, Jakob E. |
Suspension | General Electric Co. |
U | 959,929 | May 31, 1910 | High Voltage Switch High voltage switch utilizing a string of suspension insulators |
GODDARD, Walter T. |
Switch | Locke Insulator Mfg. Co. |
U | 954,329 | April 5, 1910 | Insulator Protecting Apparatus Multipart protected by arcing ring |
NICHOLSON, Lloyd C. |
Multipart | |
U | 947,516 | January 25, 1910 | Insulator miscellaneous horizontal insulator with conductor supported on periphery of crown |
GODDARD, Walter T. |
Miscellaneous | Locke Insulator Mfg. Co. |
1909 | ||||||
U | 930,750 | August 10, 1909 | Insulator Protective shield & splash preventor on pin under insulator |
GRAHAM, Charles M. |
Protective Shield | |
U | 930,751 | August 10, 1909 | Reinforced Wooden Support for Insulators Splash preventor horizontal on pin under insulator |
GRAHAM, Charles M. |
Splash | |
U | 922,477 | May 25, 1909 | Electric Line Insulator Self-tying with side grooves |
HENRY, Robert |
Self-tying Miscellaneous | |
U | 909,935 | January 19, 1909 | Protected Insulator Protective shield |
REA, John H. B. |
Protective Shield | |
1908 | ||||||
U | 905,940 | December 8, 1908 | High Tension Insulator Rainshed for conductor supported by crown |
SEMENZA, Guido |
Rainshed | |
U | 904,592 | November 24, 1908 | Electrical Conductor Support Multipart insulator attached on top to a bracket and has hook pin screwed in pinhole to hang line wire below |
ALLEN, John Scott |
Multipart | |
U | 902,262 | October 27, 1908 | Insulator Protector Covering for insulator |
SPARKS, Robert Romney |
Covering | |
U | 895,171 | August 4, 1908 | Cable Hanger Cable hanger for two part Duncan suspension |
DUNCAN, John D. E. |
Suspension | |
U | 893,265 | July 14, 1908 | Insulator Multipart insulator where parts are screwed together |
RICHARD, Augusto |
Multipart | |
U | 880,203 | February 25, 1908 | Insulator Suspension insulator with petticoat |
DUNCAN, John D. E. |
Suspension | |
1907 | ||||||
U | 868,122 | October 15, 1907 | Electric Insulator Multipart with glass skirt and two-piece head similar to Locke 25 |
POINAN, Francis J. |
Multipart | |
U | 855,261 | May 28, 1907 | Insulator Pin Pin made of Electrose with flanges |
STEINBERGER, Louis |
Pin | |
U | 855,355 | May 28, 1907 | High Potential Insulator Electrose multipart insulator for high voltages |
STEINBERGER, Louis |
Electrose | |
U | 853,743 | May 14, 1907 | Insulating Device Pin made of Electrose with flange on bottom |
STEINBERGER, Louis |
Pin | |
U | 852,730 | May 7, 1907 | Insulator U-957, broad skirt extending to crossarm with small threaded porcelain thimble |
LOCKE, Fred M. |
Insulator | |
1906 | ||||||
U | 839,666 | December 25, 1906 | Built up Insulator Oil used in hidden reservoir of multipart insulator made of Electrose |
STEINBERGER, Louis |
Oil | |
U | 829,646 | August 28, 1906 | Insulator Self-tying with crown clamp on multipart |
GODDARD, Walter T. |
Self-tying Miscellaneous | Locke Insulator Mfg. Co. |
U | 822,211 | May 29, 1906 | Insulator Skirt (bottom) upper end nearly flat with porcelain cap resting on same |
LOCKE, Fred M. |
Skirt | |
1905 | ||||||
U | 806,717 | December 5, 1905 | High Voltage Insulator Skirt (inner) cemented to insulator & extending to crossarm |
THOMAS, George W. |
Skirt | The R. Thomas & Sons Co. |
U | 796,977 | August 8, 1905 | Insulator Pin Pin |
LOCKE, Fred M. |
Pin | |
U | 787,442 | April 18, 1905 | Insulator for Electric Wires Protective shield |
FLYNT, Samuel B. MAIDEN, Leaman A. |
Protective Shield | |
U | 786,690 | April 4, 1905 | Multiple Hood Insulator Electrose multipart pin type (Brown p. 70) |
STEINBERGER, Louis |
Electrose | |
U | 783,230 | February 21, 1905 | Insulator Support Steel pin supporting Electrose cover composed of threads and gutter at the bottom for transmitting water away from pin |
STEINBERGER, Louis |
Pin | |
1904 | ||||||
U | 776,789 | December 6, 1904 | Insulator Skirts are horizontal |
LOCKE, Fred M. |
Skirt | |
U | 761,760 | June 7, 1904 | Insulator Multipart lily shell design (M-3740) |
CHESNEY, Cummings C. |
Insulator | Stanley Electric Mfg. Co. |
1903 | ||||||
U | 745,284 | November 24, 1903 | Insulator Glazewelding (Boch variation) shells fused together to leave air space, U-926A |
LOCKE, Fred M. |
Insulator | |
U | 732,088 | June 30, 1903 | Insulator for High Tension Currents Bracket clamped around pole for insulator pin |
LEMSTROM, Karl Selim |
Bracket | |
U | 728,805 | May 19, 1903 | Insulator M-2335, M-2785, M-2795 & M-2796 with eave drain & spout (see 664,301) |
LOCKE, Fred M. |
Insulator | |
1902 | ||||||
U | 712,440 | October 28, 1902 | Insulator Self-tying with slot and screw clamp |
SHREFFLER, James L. |
Self-tying Miscellaneous | |
U | 702,660 | June 17, 1902 | Process of Making Insulators Glazewelding (Boch variation) with extra glaze to leave air space, biscuit fired, then glaze |
LOCKE, Fred M. |
Glazeweld | |
U | 702,661 | June 17, 1902 | Insulator and Process of Manufacturing Same Glazewelding (Boch variation) vitrified shells, pour molten glaze, then cool |
LOCKE, Fred M. |
Glazeweld | |
U | 696,958 | April 8, 1902 | Insulator for High Potential Currents Glazeweld technique using thin layer at joint with air space between shells |
GAERTNER, Rudolf |
Glazeweld | Karlsbader Kaolin-Industrie-Gesellschaft |
1901 | ||||||
U | 689,218 | December 17, 1901 | Electrical Insulator Pin sleeve (see design 34,211 for U-966) |
PARKS, Albert F. |
Insulator | Lewis Stillwell |
1898 | ||||||
U | 605,109 | June 7, 1898 | Insulator Insulator with sleeve to protect pin |
LOCKE, Fred M. |
Insulator | |
U | 601,195 | March 22, 1898 | High Potential Insulator Inner skirt extending down to the crossarm or through the crossarm to prevent arcing from the petticoat edges to the pin, U-944. (see patent 600,475) (see patent gb1898-0006235) |
BOCH, John W. |
Insulator | The R. Thomas & Sons Co. |
U | 600,475 | March 8, 1898 | Electrical Insulator and Method of Making Same Multiple thin porcelain shells fused together with glaze, ""glaze-filling"" method, U-928 & U-928A. (see patent 601,195) (see patent gb1898-0006235) Patent was owned by the R. Thomas & Sons Co. |
BOCH, John W. |
Insulator | |
1897 | ||||||
U | 592,505 | October 26, 1897 | Electrical Insulator Protective coating of elastic material and wire groove protector |
BARBOUR, Wellington |
Protective Coat | |
1896 | ||||||
U | 573,092 | December 15, 1896 | Insulator Insulator of two materials combined |
LOCKE, Fred M. |
Insulator | |
U | 566,045 | August 18, 1896 | Insulator for Electrical Purposes Protective shield of metal with non-conducting enameled coating |
WHITAKER, Alfred J. P. TREHARNE, Frederick G. |
Protective Shield | |
1894 | ||||||
U | 514,221 | February 6, 1894 | Insulator Pin sleeve |
GRAY, Lawrence B. |
Pin | |
1892 | ||||||
U | 476,813 | June 14, 1892 | Porcelain Insulator U-141, pin type insulator with cemented metal thimble. Patent was owned by Pass & Seymour. |
PASS, James SEYMOUR, Albert P. |
Insulator | |
1890 | ||||||
U | 437,685 | October 7, 1890 | Insulator Coating on exterior of insulator to color code line |
GAYNOR, Thomas F. |
Coating | The Gaynor Electric Co. |
1885 | ||||||
U | 319,447 | June 9, 1885 | Insulator Wire groove projections through metal cover to contact wire |
BROOMHALL, George L. |
Wire | |
1880 | ||||||
U | 228,077 | May 25, 1880 | Telegraphic and Telephonic Insulator Wooden insulator with paper thimble and covering |
JOBBINS, William F. |
Wood | |
1872 | ||||||
U | 122,961 | January 23, 1872 | Improvement in Telegraph Insulators Wooden insulator coated with tar with metal cap |
POND, Chester H. |
Wood | |
1868 | ||||||
U | 76,358 | April 7, 1868 | Improvement in Electric Telegraphs Rubber in porcelain or glass shell; glazed shell; sharp drip edge; ears |
VARLEY, Cromwell F. |
Rubber | |
1851 | ||||||
U | 8,418 | October 14, 1851 | Improvement in Insulators for Telegraph Wires Metal or cast iron insulator with cupped dry area at bottom. Glass poured in with a conductor supporting iron rod embedded in the glass, and the cupped is coated or lined with glass, porcelain, or enamel. The bottom skirt is slanted inward 45 degrees to prevent water from splashing up inside wetting the interior surface. This feature was utilized in U-983 and U-984 made by the U. S. Pottery Co. in Bennington, VT. |
BATCHELDER, John M. |
Metal |
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