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 = '169') ORDER BY patent DESC, type |
Total of 86 patents found where: Class is '174'; Subclass is '169';
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 |
1971 | ||||||
U | 3,582,538 | June 1, 1971 | Prestressed Insulator Prestressing post type insulators by making porcelain in compression in order to increase cantilever load |
KILLIAN, Stanley C. DEWEY, Benjamin F. |
Post Type | Interpace Corp. |
1950 | ||||||
U | 2,533,621 | December 12, 1950 | Electric Insulator Spool type electric fence insulator with ribs and flat area for metal bracket to attach. |
PRATT, Elbert H. CHRISTIE, Ralph C. |
Electric Fence | |
1949 | ||||||
U | 2,475,230 | July 5, 1949 | Conductor Support Clamp-top design to secure conductor on top of the insulator |
FREY, Howard Albert MCCOY, Robert Leslie |
Clamp-top | Locke, Inc. |
1942 | ||||||
U | 2,278,330 | March 31, 1942 | Multipost Line Insulator Two post insulators joined together with elongated metal bottom cap |
MEYER, Edwin M. |
Insulator | Porcelain Products, Inc. |
1939 | ||||||
U | 2,173,510 | September 19, 1939 | Conducting Holder for Luminous Tube Terminals Neon terminal holder |
BELLOWS, Lewis F. R. |
Neon | |
1938 | ||||||
U | 2,135,360 | November 1, 1938 | Conductor Support Clamp type with metal cemented to crown for holding cable |
TAYLOR, John J. |
Clamp Type | The Ohio Brass Co. |
U | 2,117,381 | May 17, 1938 | Insulator Cap Tie wire replacement using a cap or collar that fits around the insulator to hold the line wire that can be installed from the ground |
WARD, Leonard |
Tie Wire | |
1935 | ||||||
U | 1,988,369 | January 15, 1935 | Radio Interferenceproof Insulator Metal cap cemented into recessed formed in top of pin type insulator |
BROWN, Harold H. |
Metal | Locke Insulator Corp. |
1934 | ||||||
U | 1,976,418 | October 9, 1934 | Attachment for Insulators Attachment for strain insulator |
STINSON, William L. |
Strain | Jeffery-Dewitt Insulator Co. |
1933 | ||||||
U | 1,937,764 | December 5, 1933 | Insulator Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the insulator is turned 90 degrees to secure the condutor in the wire clip. |
KYLE, William D. |
Tree Insulator | Line Material Co. |
1932 | ||||||
U | 1,841,949 | January 19, 1932 | Insulator With Caps Steel cap cemented to top of insulator with bolts for stacking insulators |
HAWLEY, Kent A. |
Miscellaneous | Locke Insulator Corp. |
1930 | ||||||
U | 1,776,557 | September 23, 1930 | Pedestal Insulator Pedestal insulator similar to suspension disk with metal cap and pin to bolt other units to |
HAWLEY, Kent A. |
Pedestal | Locke Insulator Corp. |
1929 | ||||||
U | 1,739,637 | December 17, 1929 | Insulator Multipart porcelain pedestal insulator with threaded holes in the metal cap to bolt another insulator on top |
HAWLEY, Kent A. |
Pedestal | Locke Insulator Corp. |
U | 1,725,097 | August 20, 1929 | Insulator Structure Metal parts of suspension insulators are coated with rubber or resin to help prevent or reduce flashover |
NAYLOR, William K. |
Suspension | Westinghouse Electric & Mfg. Co. |
U | 1,712,432 | May 7, 1929 | Electrical Insulator Assembly Suspension using Hewletts for novel electric switch |
HAGERMAN, Alva Lloyd |
Suspension | |
U | 1,702,235 | February 12, 1929 | System of Line Insulation and Insulators Therefor Odd Electrose insulator |
STEINBERGER, Louis |
Insulator | |
1928 | ||||||
U | 1,663,007 | March 20, 1928 | Electric Conductor Support Insulator attachments to support equipment (see 1,274,555 and 1,574,964) |
JACOBS, Ernest H. |
Equipment | Electrical Engineers Equipment Co. |
U | 1,659,731 | February 21, 1928 | Insulator Protective shield |
GREEN, Estill I. |
Protective Shield | American Telephone & Telegraph Co. |
1927 | ||||||
U | 1,625,601 | April 19, 1927 | Insulator Suspension insulator made of multiple sections that are clamped together in the field |
GODDARD, Walter T. |
Suspension | Locke Insulator Corp. |
1926 | ||||||
U | 1,602,873 | October 12, 1926 | Support for Electrical Fixtures Bus bar support for top of insulator |
ANSINGH, Herman K. |
Bus Bar | Westinghouse Electric & Mfg. Co. |
U | 1,594,207 | July 27, 1926 | Insulator Wireholder with lag screw and ring |
KYLE, William D. |
Wireholder | Line Material Co. |
U | 1,590,381 | June 29, 1926 | Insulator Cap Iron insulator cap cemented to top of insulator to support electrical equipment |
KERR, Benjamin W. |
Cap | Railway and Industrial Engineering Co. |
U | 1,574,964 | March 2, 1926 | Insulation Equipment Special insulator design for bus bar and equipment support (see 1,274,555 and 1,663,007) |
GETTS, Frank E. |
Insulator | Electrical Engineers Equipment 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 | 1,296,587 | March 4, 1919 | Insulator Clamp for crown of large insulator to resist strain of curves |
SCHAAKE, William |
Clamp | Westinghouse Electric & Mfg. Co. |
1918 | ||||||
U | 1,274,555 | August 6, 1918 | Choke Coil Mounting Secure mounting of a choke coil on top of two multipart insulators fitted with metal brackets clamped to the crown (see 1,574,964 and 1,663,007) |
JACOBS, Ernest H. |
Choke Coil | Electrical Engineers Equipment Co. |
U | 1,266,615 | May 21, 1918 | Insulator Clamp Clamp for crown of large insulator |
NICOL, David S. |
Clamp | Shawinigan Water & Power Co. |
1917 | ||||||
U | 1,249,820 | December 11, 1917 | Insulator Composition insulator with side cable clamp |
PHARO, Harry A. SCHAAKE, William |
Composition | Westinghouse Electric & Mfg. Co. |
U | 1,236,668 | August 14, 1917 | Insulator Clamping Device Clamp for crown of large insulator |
BROWN, James M. |
Clamp | Westinghouse Electric & Mfg. Co. |
U | 1,235,106 | July 31, 1917 | Insulator Attachment Metal clip mounted in top of insulator to secure the conductor |
BURNETT, Adelbert C. |
Tie Wire | |
U | 1,228,711 | June 5, 1917 | Connecting Device for Chain-Type Insulators Suspension link coupling |
STEINBERGER, Louis |
Suspension | |
U | 1,219,450 | March 20, 1917 | Insulator Suspension with interlocking linkage similar to Hewlett and hog liver |
FOWLE, Frank F. |
Suspension | |
1915 | ||||||
U | 1,144,672 | June 29, 1915 | Fused Test Clamp Insulator miscellaneous fused test clamp-insulator |
WHEALE, George |
Miscellaneous | |
U | 1,128,424 | February 16, 1915 | Insulator Suspension multipart insulator fitted with arcing horns |
DUNCAN, John D. E. |
Suspension | |
1914 | ||||||
U | 1,118,545 | November 24, 1914 | Wire Clamp for Insulators Complicated tie wire replacement with U-bolt and metal strap to secure and clamp to the line wire |
GIOVANNONI, Charles |
Tie Wire | |
U | 1,105,521 | July 28, 1914 | Insulator Attachment Tie wire clamp |
KEPHART, John A. |
Tie Wire | |
U | 1,101,802 | June 30, 1914 | Conductor Clamp Clamp attached to insulator wire groove to hold a vertivcal duplex conductor to street lamp (see 1,140,050) |
KENNEDY, Matthew G. |
Clamp | The States Co. |
1913 | ||||||
U | 1,069,782 | August 12, 1913 | Electric Insulator Multipart cable clamp using metal crown cap |
HILLIARD, John D. |
Multipart | |
1912 | ||||||
U | 1,043,321 | November 5, 1912 | Combined Insulator and Current Distributor Miscellaneous style with attachment for multiple current distributors (see 1,085,813) |
KNUTZ, Ernest H. |
Miscellaneous | |
U | 1,022,993 | April 9, 1912 | Insulator Insulator with external threads to be screwed into metal shield and entire unit screwed into underside of the crossarm |
WILLIS, George W. |
Insulator | |
1911 | ||||||
U | 1,010,181 | November 28, 1911 | Electric Cable Protector Protective shield mounted on top of the insulator to support the conductor. |
SANDFORD, JR., Joseph Addison |
Protective Shield | The R. Thomas & Sons Co. |
U | 998,359 | July 18, 1911 | High Voltage Insulator Suspension type |
LOCKE, Fred M. |
Suspension | Locke Insulator Mfg. Co. |
1910 | ||||||
U | 966,583 | August 9, 1910 | Insulator Protecting Apparatus Multipart protected by arcing ring |
NICHOLSON, Lloyd C. |
Multipart | |
U | 955,661 | April 19, 1910 | Insulator Under crossarm type (see 1,694,415) |
MOORE, William Enoch |
Under Crossarm | |
U | 955,065 | April 12, 1910 | Insulator miscellaneous oddball |
HARDIN, Cornelious C. |
Miscellaneous | |
U | 947,274 | January 25, 1910 | Suspension Device for Insulators Suspension with ball and socket coupling |
AUSTIN, Arthur O. |
Suspension | The Akron Hi-Potential Porcelain Co. |
U | 946,623 | January 18, 1910 | Insulator for Electric lines Metal cap cemented on crown to hold wire in crown or side groove |
VARNEY, Theodore |
Cap | Westinghouse Electric & Mfg. Co. |
1909 | ||||||
U | 922,477 | May 25, 1909 | Electric Line Insulator Self-tying with side grooves |
HENRY, Robert |
Self-tying Miscellaneous | |
1908 | ||||||
U | 895,171 | August 4, 1908 | Cable Hanger Cable hanger for two part Duncan suspension |
DUNCAN, John D. E. |
Suspension | |
U | 887,107 | May 12, 1908 | Wire Fastener for Insulators Wire fastener for crown wire groove of insulator |
LOCKE, Fred M. |
Wire | |
1907 | ||||||
U | 849,731 | April 9, 1907 | Insulator Metal crown cap |
FEUERSTEIN, Siegmund |
Metal | |
U | 843,259 | February 5, 1907 | Insulator Clamp type metal cable holder |
CLARK, Walter G. |
Clamp Type | The Clark Electric & Mfg. Co. |
U | 843,258 | February 5, 1907 | Insulator Clamp Clamp type metal cable holder |
CLARK, Walter G. |
Clamp Type | The Clark Electric & Mfg. Co. |
1906 | ||||||
U | 838,482 | December 11, 1906 | Insulator for Line Conductors Insulator formed with recesses for pipe pin and metal insert crown |
WEED, James Murray |
Insulator | |
U | 838,163 | December 11, 1906 | High Tension Insulator Multipart with multiple petticoats under skirts (M-4325C, M-4415, M-4600) (see ID 5166) |
BAUM, Frank G. |
Insulator | |
U | 829,646 | August 28, 1906 | Insulator Self-tying with crown clamp on multipart |
GODDARD, Walter T. |
Self-tying Miscellaneous | Locke Insulator Mfg. Co. |
1905 | ||||||
U | 805,788 | November 28, 1905 | Electric Strain Insulator Porcelain or glass strain insulator in compression |
FOSTER, Samuel L. |
Strain | |
U | 805,169 | November 21, 1905 | Insulator and Wire Clamp Self-tying clamping with lever (see 552,501) |
TAUBOLD, John F. |
Self-tying Miscellaneous | |
U | 789,573 | May 9, 1905 | Insulator Self-tying with metal screw plug in top of crown |
STEINBERGER, Louis |
Self-tying Miscellaneous | |
1903 | ||||||
U | 746,671 | December 15, 1903 | Insulator Self-tying via pivoted locking dogs |
CARTER, Taylor |
Self-tying Miscellaneous | |
U | 746,469 | December 8, 1903 | Electrical Wire Support Wire support of cylindrical shape & metal support bolt to underhang wire |
CULLEN, Beauregard |
Wire | |
U | 726,651 | April 28, 1903 | Electric Wire Support Glass insert in crossarm to insulate a steel pin that supports the conductor |
CULLEN, Beauregard |
Pin | |
1902 | ||||||
U | 712,440 | October 28, 1902 | Insulator Self-tying with slot and screw clamp |
SHREFFLER, James L. |
Self-tying Miscellaneous | |
U | 710,282 | September 30, 1902 | Insulator Block with metal tabs bent to hold wire |
LEFEVER, Edwin |
Block | |
1901 | ||||||
U | 682,709 | September 17, 1901 | Insulator Knob to support underground conduit electric railways |
JENKINS, Wilton F. |
Knob | |
U | 667,103 | January 29, 1901 | Insulator Slack wire knob with metal suspension clip |
SARGENT, Howard R. |
Slack Wire | General Electric Co. |
1899 | ||||||
U | 626,065 | May 30, 1899 | Insulator Tree hanger |
HOLMES, Welles E. |
Tree | |
1897 | ||||||
U | 580,628 | April 13, 1897 | Insulator and Insulating Conduit or Tubing for Electrical Purposes Composition insulator of asbestos and cement |
TREHARNE, Frederick G. |
Composition | |
U | 578,825 | March 16, 1897 | Insulator Composition insulator with top cable clamp |
LUSCOMB, Henry H. CRANE, William F. D. |
Composition | The Johns-Pratt Co. |
1894 | ||||||
U | 530,706 | December 11, 1894 | Insulator Composition insulator with clip ears |
MCCARTHY, Louis |
Composition | |
U | 526,498 | September 25, 1894 | Conductor Support and Insulator Jeffrey Mine insulator (CD 185) |
OSYOR, David N. |
Mine | Joseph A. Jeffrey |
U | 522,175 | June 26, 1894 | Insulator Self-tying with metal cap screws down on two metal ears to hold wire |
ANDERSEN, Johan M. |
Self-tying Miscellaneous | 1/2 to Albert Anderson |
U | 520,855 | June 5, 1894 | Feed Wire Insulator Composition insulator with ears bent over to secure cable |
LIEB, Charles A. |
Composition | General Electric Co. |
U | 520,602 | May 29, 1894 | Insulator Composition insulator with ears bent over to secure cable |
LUSCOMB, Henry H. |
Composition | |
1893 | ||||||
U | 497,515 | May 16, 1893 | Insulator Cleat with metal clip to hold wire |
BRADY, Thomas H. |
Cleat | |
1891 | ||||||
U | 461,631 | October 20, 1891 | Insulating Support for Electric Conductors Oil insulator |
HEWETT, Robert J. |
Oil | |
U | 455,107 | June 30, 1891 | Insulator Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture |
MUNSIE, James F. |
Third Rail | |
U | 448,703 | March 24, 1891 | Support for Electric Line Wires Hanger insulator for trolley conductor |
WIRT, Herbert C. |
Hanger | |
1890 | ||||||
U | 434,144 | August 12, 1890 | Electric Insulator Tie wire clip |
DUNBAR, John K. |
Tie Wire | |
U | 418,766 | January 7, 1890 | Support for Electric Conductors Brodie tree insulator with large lag screw and adjustable position. |
SMITH, Joseph Brodie |
Tree | |
1883 | ||||||
U | 269,933 | January 2, 1883 | Insulator for the Suspension of Electrical Wire Conductors Hook insulator of ""gelatinized or vulcanized fiber"" |
HIGGS, Paget COURTENAY, William |
Hook | |
1871 | ||||||
U | 114,924 | May 16, 1871 | Improvement in Telegraph Insulators CD 158.1 with metal ring with fingers to hold wire |
CHESTER, Stephen |
Insulator | |
1863 | ||||||
U | 39,613 | August 18, 1863 | Improvement in Insulators for Lightning Conductors Lightning rod insulator (glass) to hold conductors with bracket |
EAGLES, Edwin |
Lightning Rod Insulator | 1/2 to J. H. Guion |
1858 | ||||||
U | 20,916 | July 13, 1858 | Improved Device for Securing Lightning Rods Lightning rod insulator (glass) with spring clip to hold rod |
SCHRAGE, Victor |
Lightning Rod Insulator | |
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. |
1849 | ||||||
U | 6,779 | October 9, 1849 | Supporter for Telegraph Wires Hook encased in metal shell (also House-top insulator?) |
LIVINGSTON, L. R. ROGGEN, J. J. ADAMS, Calvin KENDALL, Amos VAIL, Alfred |
Hook |
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