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 = '211') ORDER BY description ASC, date, patent, type |
Total of 95 patents found where: Class is '174'; Subclass is '211';
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 |
1960 | ||||||
U | 2,947,801 | August 2, 1960 | Contamination and Moisture Resistant Insulator A conductive coating used to generate heat to keep surface of the insulator dry |
DOOLITTLE, Fred B. |
Fog | |
1872 | ||||||
U | 129,465 | July 16, 1872 | Improvement in Battery Insulators Battery insulator shaped to fit hole in table & flat to support battery |
DAVIS, Augustus G. |
Battery | |
1930 | ||||||
U | 1,748,884 | February 25, 1930 | Leakproof Insulator Bell shaped radio antenna insulator to protect wire from getting wet from rain or snow. |
KITTS, David Roscoe |
Antenna | |
1865 | ||||||
U | 47,141 | April 4, 1865 | Improvement in Insulators for Telegraphs Bracket (wooden) with recessed bowl to hold ramshorn [Smithsonian] |
VAN CHOATE, S. F. |
Bracket | |
1942 | ||||||
U | 2,292,248 | August 4, 1942 | Bushing Bushing composed of several parts with open chambers |
STEVENS, Leland J. |
Bushing | Locke Insulator Corp. |
1929 | ||||||
U | 1,701,561 | February 12, 1929 | Insulator CD 118; Carrier circuit insulator with metal cover screwed outside (internal threads) |
GORDON, Chester S. |
Carrier | American Telephone & Telegraph Co. |
1899 | ||||||
U | 633,173 | September 19, 1899 | Insulator CD 121 and CD 143 with external projections to absorb mechanical shock - horizontal ridges |
WITHYCOMBE, Frederick H. |
Insulator | 11/20 to Clement H. McLeod |
U | 633,174 | September 19, 1899 | Insulator CD 121 and CD 143 with external projections to absorb mechanical shock - spiral ridges |
WITHYCOMBE, Frederick H. |
Insulator | 11/20 to Clement H. McLeod |
1929 | ||||||
U | 1,701,562 | February 12, 1929 | Insulator CD 122.4, CD 128, CD 142, CD 194.5, CD 195.5 with threads inside skirt |
GORDON, Chester S. |
Insulator | American Telephone & Telegraph Co. |
1939 | ||||||
U | 2,165,773 | July 11, 1939 | Insulator for Communication Systems CD 142, CD 142.4 - glass insert screwed in skirt with metallic iridizing |
WHEE ER, Herbert H. MCGINNIS, Orris |
Insulator | Western Union Telegraph Co. |
1940 | ||||||
U | 2,194,189 | March 19, 1940 | Pole Line Insulator CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence |
WHEELER, Herbert H. MCGINNIS, Orris THORDARSON, William |
Insulator | Western Union Telegraph Co. |
1890 | ||||||
U | 443,187 | December 23, 1890 | Electric Insulator CD 144, ridges around outside of skirt to break water film |
BAIN, Foree |
Insulator | |
U | 434,879 | August 19, 1890 | Electric Insulator CD 144.5 and CD 260, ridges around inner surface of skirt |
OAKMAN, Samuel |
Insulator | |
1908 | ||||||
U | 882,803 | March 24, 1908 | Insulator CD 211 |
STORROR, Leonard W. |
Insulator | |
1895 | ||||||
U | 545,819 | September 3, 1895 | Electric Insulator CD 268, hole through crown for tie wire |
ROTHENBERGER, Daniel M. |
Insulator | 2/3 to C. Inglis & E. Reilly |
1898 | ||||||
U | 605,256 | June 7, 1898 | Insulator CD 288, U-938 & U-945 |
MERSHON, Ralph D. |
Insulator | |
1889 | ||||||
U | 402,752 | May 7, 1889 | Insulator CD 289.9 (CD 1182), under crossarm type with triple petticoat |
LOCKE, Fred M. LAPP, John |
Insulator | |
1899 | ||||||
U | 634,568 | October 10, 1899 | Insulating Support for Electric Wires CD 309, U-416, under-crossarm type for better protection from rain |
BEAL, Carroll N. |
Insulator | |
1933 | ||||||
U | 1,920,978 | August 8, 1933 | Insulator Clamp type with lag screw |
FORT, Louis |
Clamp Type | |
1869 | ||||||
R | 3,499 | June 8, 1869 | Improvement in Telegraph Insulators Cup under insulator (similar to oil insulator) to maintain dry surfaces (see 71,418) |
SIMONDS, W. Edgar |
Cup | |
1908 | ||||||
U | 884,142 | April 7, 1908 | Insulator Cylindrical insulator with spiraling ribs to screw insulator into crossarm, center groove to hold line wire, external grooves to carry water away and drip points or serrations to allow water to drip down |
FOREMAN, Ernest Jay |
Crossarm | |
1904 | ||||||
U | 767,948 | August 16, 1904 | Insulator Deadend insulator |
LOCKE, Fred M. |
Deadend | |
1893 | ||||||
U | 496,652 | May 2, 1893 | Insulator for Telegraph Wires Drip points Patent was owned by Hemingray Glass Co. |
HEMINGRAY, Ralph G. GILL, James C. |
Drip | |
1946 | ||||||
U | 2,406,095 | August 20, 1946 | Insulator Dry-spot |
MATHEWS, Martin D. |
Dry-spot | |
1907 | ||||||
U | 855,355 | May 28, 1907 | High Potential Insulator Electrose multipart insulator for high voltages |
STEINBERGER, Louis |
Electrose | |
1935 | ||||||
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. |
1938 | ||||||
U | 2,135,359 | November 1, 1938 | Suspension Insulator Fog type suspension insulator |
TAYLOR, John J. BOVARD, Floyd D. |
Fog Type | The Ohio Brass Co. |
1933 | ||||||
U | 1,896,937 | February 7, 1933 | Insulator Fog type suspension like a Hewlett but with the edges curved sharply upward |
BRINEY, Perry G. |
Fog | |
1937 | ||||||
U | 2,103,399 | December 28, 1937 | Insulator Fog type suspension with top curved down over bottom petticoat that extends up inside the top part |
WALKER, Robert H. |
Fog | The Ohio Brass Co. |
1928 | ||||||
U | 1,677,346 | July 17, 1928 | Insulator Fogbowl suspension |
JACKSON, Ray P. |
Fog Type | Westinghouse Electric & Mfg. Co. |
1929 | ||||||
U | 1,706,488 | March 26, 1929 | Insulator Fogbowl via metal pan under skirt |
HAWLEY, Kent A. |
Fog Type | Locke Insulator Corp. |
1934 | ||||||
U | 1,942,284 | January 2, 1934 | Electric Insulator Helical grooves on top surface of suspension insulator |
HALTON, Geoffrey H. |
Helical | Steatite & Porc. Prod. Ltd. |
1933 | ||||||
U | 1,894,292 | January 17, 1933 | Strain Insulator Helical strain insulator |
CRAMER, Walter |
Helical | Locke Insulator Corp. |
1939 | ||||||
U | 2,155,848 | April 25, 1939 | Insulator Helical suspension & helical post type |
TAYLOR, John J. |
Helical | The Ohio Brass Co. |
1864 | ||||||
U | 45,221 | November 29, 1864 | Improvement in Insulators for Telegraph Wires Hook cemented in glass with metal covering (see reissue 2,717 on 8-6-1867) |
BROOKS, David |
Hook | |
1866 | ||||||
U | 53,426 | March 27, 1866 | Improvement in Telegraph Insulators Hook covered with rubber attached to rubber hollow ball chamber |
ELY, Alfred B. |
Hook | |
U | 53,246 | March 13, 1866 | Improvement in Telegraph Insulators Hook insulator |
SMITH, William W. |
Hook | |
U | 52,761 | February 20, 1866 | Improvement in Telegraph Insulators Hook screwed into block of vulcanite |
SMITH, William W. |
Hook | |
U | 56,542 | July 24, 1866 | Improvement in Insulators for Telegraphs Hook to be inserted directly into pole or crossarm |
ELY, Alfred B. |
Hook | |
U | 51,934 | January 9, 1866 | Improvement in Telegraph Insulators Hook with improved rubber cap and flared top |
ELY, Alfred B. |
Hook | |
U | 58,594 | October 9, 1866 | Improvement in Telegraph Insulators Hook with metal shell fastened at right angle to pole |
BURNAP, William H. BRASSINGTON, John D. |
Hook | |
1879 | ||||||
U | 216,138 | June 3, 1879 | Improvement in Telegraph Insulators Insulator suspended under crossarm by screw to hold wireholder |
BLOOMFIELD, John H. |
Insulator | |
1932 | ||||||
U | 1,869,397 | August 2, 1932 | Insulator Insulator with spiral or helical grooves to all rain to wash the surface better |
STROUP, Charles L. |
Spiral | |
1905 | ||||||
U | 799,726 | September 19, 1905 | Insulator Insulator, split and threaded to screw into hole in crossarm to hold wire |
FOREMAN, Ernest Jay |
Insulator | |
1894 | ||||||
U | 526,498 | September 25, 1894 | Conductor Support and Insulator Jeffrey Mine insulator (CD 185) |
OSYOR, David N. |
Mine | Joseph A. Jeffrey |
1916 | ||||||
U | 1,186,862 | June 13, 1916 | Insulator Knob |
SWARTZ, Otto P. |
Knob | |
1954 | ||||||
U | 2,688,654 | September 7, 1954 | Insulator for Fence Posts Knob for electric fence. |
BUSSMANN, JR., Aloysius B. |
Knob | |
1909 | ||||||
U | 912,501 | February 16, 1909 | High Tension Insulator Large covers for insulators to protect them from rain and thus reduce electrical leakage |
SODEN, John K. |
Miscellaneous | |
1859 | ||||||
U | 23,373 | March 29, 1859 | Improved Insulator for Lightning Rods Lightning rod insulator (glass) and bracket to hold rod |
HICKOK, Russel |
Lightning Rod Insulator | |
1903 | ||||||
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 | |
1900 | ||||||
U | 664,301 | December 18, 1900 | Insulator M-2795, top is flattened cone with vertical flange & detachable spout |
STERLING, Richard H. |
Insulator | The Stanley Electric Mfg. Co. |
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 | |
1910 | ||||||
U | 971,322 | September 27, 1910 | Mine Insulator Mine hanger insulator (see GB191027804) |
SPEAKMAN, Charles W. |
Mine | |
1901 | ||||||
U | 667,882 | February 12, 1901 | Feeder Wire Insulator Mine insulator (similar to Sackett see 903,692) [CD 1025?] |
KING, Charles K. |
Mine | |
1904 | ||||||
U | 761,760 | June 7, 1904 | Insulator Multipart lily shell design (M-3740) |
CHESNEY, Cummings C. |
Insulator | Stanley Electric Mfg. Co. |
1948 | ||||||
U | 2,442,165 | May 25, 1948 | Insulator Odd under crossarm insulator with diagonal slot to insert wire into center slot and means to nail the insulator to the crossarm |
GEROW, Kenneth Norris |
Miscellaneous | |
1878 | ||||||
U | 201,615 | March 26, 1878 | Improvement in Insulators for Telegraph Wires Oil cup insulator |
JOHNSON, Walter C. PHILLIPS, Samuel E. |
Oil | |
1891 | ||||||
U | 461,631 | October 20, 1891 | Insulating Support for Electric Conductors Oil insulator |
HEWETT, Robert J. |
Oil | |
1894 | ||||||
U | 517,634 | April 3, 1894 | Pin for Insulators Pin for use with oil cup, CD 244 (see 524,659) |
WINSLOW, George H. |
Insulator | |
1907 | ||||||
U | 853,743 | May 14, 1907 | Insulating Device Pin made of Electrose with flange on bottom |
STEINBERGER, Louis |
Pin | |
1909 | ||||||
U | 937,140 | October 19, 1909 | Non-detachable Insulator Pin permanently fixed to the insulator via slotted pinhole |
BARTLETT, Harry MACCALLUM, Alexander P. |
Pin | |
1885 | ||||||
U | 330,173 | November 10, 1885 | Means for Supporting Electrical Wires Pin split with metal cap to hold wire |
TRINGHAM, John Watson |
Pin | |
1909 | ||||||
U | 930,750 | August 10, 1909 | Insulator Protective shield & splash preventor on pin under insulator |
GRAHAM, Charles M. |
Protective Shield | |
1890 | ||||||
U | 425,513 | April 15, 1890 | Insulator Rainshed (hood) over wire |
KOOKOGEY, William P. |
Rainshed | The Kookogey Electric Co. |
1906 | ||||||
U | 823,820 | June 19, 1906 | Prong Insulator Ramshorn made of Electrose with lips and spout |
STEINBERGER, Louis |
Ramshorn | |
1974 | ||||||
U | 3,836,705 | September 17, 1974 | Electrical Insulator and Conducting Tar Therefore RFI prevention using conductive tar to coat insulator and metal surfaces for cementing |
ROSENBLATT, Gordon |
RFI | Canadian Porcelain Co. |
1931 | ||||||
U | 1,811,530 | June 23, 1931 | Insulating Device Ribbed suspension insulator with deep hollow interior to receive linkage hardware to connect the next insulator |
BAUM, Frank G. |
Suspension | Westinghouse Electric & Mfg. Co. |
1942 | ||||||
U | 2,304,483 | December 8, 1942 | Electrical Insulator Rubber pin type insulator |
SMITH, Donald H. WHEELER, Herbert H. |
Rubber | Western Union Telegraph Co. |
1962 | ||||||
U | 3,061,667 | October 30, 1962 | Telegraph Pole Line Insulator Rubber pin type insulator (Brown p. 91) |
MARKLEY, William F. SLATER, James L. |
Rubber | Western Union Telegraph Co. |
1940 | ||||||
U | 2,218,497 | October 15, 1940 | Electrical Insulator Rubber pin type insulator (see 2,304,483) |
SMITH, Donald H. WHEELER, Herbert H. |
Rubber | Western Union Telegraph Co. |
1904 | ||||||
U | 770,962 | September 27, 1904 | Insulator Self-tying groove top and screw wire clamp |
GILL, Jacob F. |
Self-tying Miscellaneous | |
1910 | ||||||
U | 961,646 | June 14, 1910 | Insulator Self-tying screw top with slotted top |
REUSCH, William L. |
Self-tying Screw Top | |
1909 | ||||||
U | 915,330 | March 16, 1909 | Insulator and Wire Clamp Self-tying twist lock type |
BLACKBURN, Jasper |
Self-tying Twist | |
1886 | ||||||
U | 346,972 | August 10, 1886 | Telegraph Insulator Self-tying via bolt in crown |
WILSON, John |
Self-tying Miscellaneous | |
1932 | ||||||
U | 1,854,459 | April 19, 1932 | Insulator Skirts upturned with drain holes |
DIENNER, John A. |
Skirt | |
1957 | ||||||
U | 2,776,332 | January 1, 1957 | Self-Cleaning Outdoor High Tension Insulators Spiral or helical side petticoats that are washed by rain |
VON CRON, Hans |
Spiral | Siemens-Schuckertwerke Aktiengesellschaft |
1909 | ||||||
U | 930,751 | August 10, 1909 | Reinforced Wooden Support for Insulators Splash preventor horizontal on pin under insulator |
GRAHAM, Charles M. |
Splash | |
1886 | ||||||
U | 346,971 | August 10, 1886 | Telegraph Insulator Spout each end of groove for rain; barbed top groove; hole for tie wire |
WILSON, John |
Spout | |
1905 | ||||||
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 | |
1925 | ||||||
U | 1,524,407 | January 27, 1925 | Insulator for Suspended High Tension Electric Wires Strain for horizontal with cupped ends with downward drip edges |
RENAUDIN, Alfred |
Strain | |
1917 | ||||||
U | 1,216,000 | February 13, 1917 | Electrical Insulator Strain with drain holes |
SCULLY, Thomas |
Strain | |
1989 | ||||||
U | 4,814,551 | March 21, 1989 | Anticorrosive Insulator Suspension (anticorrosive), cementing metal cap for DC service (Japan) |
WATANABE, Akihiro MORI, Shigeo |
Suspension | NGK Insulators, Ltd. |
1915 | ||||||
U | 1,166,394 | December 28, 1915 | Spool Type Disk Strain Insulator Suspension composed of ribbed spools made of Electrose |
STEINBERGER, Louis |
Electrose | |
1928 | ||||||
U | 1,669,529 | May 15, 1928 | Insulator Suspension fog-type with wood strain insulator for connecting to another insulator |
MILLER, Frederick H. |
Suspension | Westinghouse Electric & Mfg. Co. |
1985 | ||||||
U | 4,559,414 | December 17, 1985 | Electrolytic Corrosion Resistant Insulator Suspension insulator that is corrosion resistant |
KITO, Kuniji WATANABE, Akihiro |
Suspension | NGK Insulators, Ltd. |
1939 | ||||||
U | 2,162,288 | June 13, 1939 | Insulator Suspension insulator with stepped rings to allow washing by rain and greater leakage length |
TAYLOR, John J. |
Suspension | |
1915 | ||||||
U | 1,160,546 | November 16, 1915 | Disk Strain Insulator Suspension made of Electrose like fishtail Hewlett |
STEINBERGER, Louis |
Electrose | |
1887 | ||||||
U | 362,682 | May 10, 1887 | Loop Insulator Suspension or strain insulator with shield |
SANDS, Horace Van |
Suspension | |
1984 | ||||||
U | 4,443,659 | April 17, 1984 | Glaze to Pin Connection for an Electrical Insulator with Embedded Metal Fitting Suspension with semi-conducting glaze & conducting coating on cement |
TATEM, William A. |
Suspension | Interpace Corp. |
1907 | ||||||
U | 843,844 | February 12, 1907 | Third Rail Insulator Third rail insulator |
REDMAYNE, Robert Norman |
Third Rail | |
1905 | ||||||
U | 808,222 | December 26, 1905 | Third Rail Insulator Third rail insulator that fits in metal support and cemented metal cap to secure the rail. |
STEWART, JR., Samuel B. |
Third Rail | General Electric Co. |
1883 | ||||||
U | 289,449 | December 4, 1883 | Insulator Transposition style but not intended for transposition (CD 199 & U-197) |
ROUSSEAU, Necter |
Insulator | 1/2 to James W. Brennan |
1908 | ||||||
U | 894,616 | July 28, 1908 | Insulator and Wire Clamp U-401 and U-401A, insulator & wire clamp |
FAY, John L. |
Insulator | |
1897 | ||||||
U | 590,806 | September 28, 1897 | Insulator U-937, eave trough above crossarm |
LOCKE, Fred M. |
Insulator | |
1924 | ||||||
U | 1,505,730 | August 19, 1924 | Insulator and Support Therefor Wireholder with lag screw and metal bracket |
ROCKWELL, Herbert O. |
Wireholder | Brady Electric & Mfg. Co. |
Total of 0.06 seconds