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 = '313') AND (category.subclass = '243') ORDER BY patent DESC, type |
Total of 25 patents found where: Class is '313'; Subclass is '243';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1946 | ||||||
U | 2,392,342 | January 8, 1946 | Combined Spark Gap and Insulator CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits |
STEINMAYER, Alwin G. |
Spark Gap | Line Material Co. |
1943 | ||||||
U | 2,336,324 | December 7, 1943 | Strain Insulator A rod of wood as a guy strain insulator for transmission poles |
WARREN, Pickett L. |
Strain | Royal Electric Mfg. Co. |
1934 | ||||||
U | 1,947,321 | February 13, 1934 | Arcing Horn for Insulators Arcing horns for Hewlett or other suspension insulator string |
VINCENT, Harold Blanchard SLEEMAN, Harold Parker |
Suspension | The R. Thomas & Sons Co. |
1927 | ||||||
U | 1,654,047 | December 27, 1927 | Strain Insulator Strain insulator with steel covering whereby the porcelain insulator is in compression |
LAPP, John S. |
Strain | Lapp Insulator Co. |
1924 | ||||||
U | 1,501,732 | July 15, 1924 | Column Strain Insulator Electrose strain insulator |
STEINBERGER, Louis |
Strain | |
1922 | ||||||
U | 1,403,717 | January 17, 1922 | Insulator Strain or suspension in compression |
STEINBERGER, Louis |
Electrose | |
1919 | ||||||
U | 1,303,324 | May 13, 1919 | Electric Insulator Suspension tubular insulator with flanged top metal cap and bottom metal cap |
JACKSON, Ray P. |
Suspension | Westinghouse Electric & Mfg. Co. |
1918 | ||||||
U | 1,277,304 | August 27, 1918 | Metal Protected High Voltage Insulator Protective shield of metal to protect insulator |
GATI, Bila |
Protective Shield | |
U | 1,273,015 | July 16, 1918 | Electric Insulator Suspension made of several parts bolted together |
THOMAS, Percy H. |
Suspension | |
U | 1,264,396 | April 30, 1918 | Lightning Arrester Lightning arrester attached to M-3021 |
HAYS, Frederick W. |
Lightning Arrester/M-3021 | |
1917 | ||||||
U | 1,250,387 | December 18, 1917 | Electric Insulator Suspension made of several parts bolted together |
THOMAS, Percy H. |
Suspension | |
1916 | ||||||
U | 1,198,137 | September 12, 1916 | Insulator Suspension insulator with an outer covering of spun steel or iron. |
LINCOLN, Paul M. |
Suspension | Westinghouse Electric & Mfg. Co. |
1915 | ||||||
U | 1,166,393 | December 28, 1915 | Insulator Electrose high tension pintype insulator |
STEINBERGER, Louis |
Electrose | |
U | 1,128,424 | February 16, 1915 | Insulator Suspension multipart insulator fitted with arcing horns |
DUNCAN, John D. E. |
Suspension | |
1914 | ||||||
U | 1,106,797 | August 11, 1914 | Electric Insulator Suspension insulators |
FAY, John L. WAY, Sylvester B. |
Suspension | |
1913 | ||||||
U | 1,055,322 | March 11, 1913 | Insulator Holes (2) through insulator to pin allows lightning to pass to pin & ground |
DE LONG, Harry A. |
Hole | |
1912 | ||||||
U | 1,015,224 | January 16, 1912 | Insulator Suspension insulator of insulating rope, hoods, and arcing rods. [This looks very close to the handful of glass suspension insulators found in 2002 in northern CA by Paul Greaves and Mike Spadafora. The glass was most probably made by Hemingray. No markings were found.] |
ALSBERG, Julius |
Suspension | |
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. |
1910 | ||||||
U | 966,584 | August 9, 1910 | Protecting Apparatus for Insulators Suspension protected by arcing ring |
NICHOLSON, Lloyd C. |
Suspension | |
1908 | ||||||
U | 892,822 | July 7, 1908 | Pole Top Cap Metal pole top cap with insulator support and lateral extension to support protector wire |
FRASER, James William |
Bracket | |
U | 880,203 | February 25, 1908 | Insulator Suspension insulator with petticoat |
DUNCAN, John D. E. |
Suspension | |
1900 | ||||||
U | 652,861 | July 3, 1900 | Overhead Wire Lightning Protector Lightning rod with multiple points (see 637,282) (see reissue 11,759) |
POCHE, Joseph Arthur |
Lightning Rod Point | |
1883 | ||||||
U | 280,324 | June 26, 1883 | Combined Insulator and Lightning arrester Combined insulator and lightning arrestor |
NOBLE, John E. |
Lightning Arrestor | 1/6 to Charles J. Leming |
1882 | ||||||
U | 262,210 | August 8, 1882 | Combined Insulator, Lightning arrester, and Connector Combined insulator, lightning arrestor and connector |
ECKERT, William ECKERT, Edward SEELY, John |
Lightning Arrestor | |
1867 | ||||||
U | 63,206 | March 26, 1867 | Improvement in Insulators for Telegraph Wires Hook encased in metal or wood allows arcing to ground |
BROOKS, David |
Hook |
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