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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Rubber') ORDER BY date ASC, patent, type

Total of 15 patents found where: Category is 'Rubber';

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T / S Patent Date Description Patentee Category Assigned To
 1851
U Specimen known 8,075 May 6, 1851 Improvement in the Manufacture of India Rubber
Rubber - vulcanizing process for hard rubber for insulator		 GOODYEAR, Nelson
 Rubber  
 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  
 1869
U Specimen known 96,198 October 26, 1869 Improvement in Insulator for Telegraph Wires
Rubber sleeve over pin for threadless insulator		 BUSH, Charles A.
 Rubber 2/3 to Henry Ostrum, Clifford Bush
 1872
U 126,027 April 23, 1872 Improvement in Insulators for Telegraph Wires
Rubber coated flattened pin coated with mica for porcelain insulator with a cap		 CONKLIN, JR., Joseph I.
 Rubber  
 1882
U 268,075 November 28, 1882 Noise Deadening Insulator
Rubber plug or thimble inserted in pinhole		 BROWN, Gouverneur M.
 Rubber  
 1884
U 296,881 April 15, 1884 Insulator
Rubber covered ring and knob with lag screw		 SEELY, John A.
 Rubber  
 1931
U 1,810,950 June 23, 1931 Insulator
Rubber self-tying insulator		 EARHART, Albert C.
 Rubber  
 1939
U 2,146,596 February 7, 1939 Rubber Insulating Compound and Method of Making the Same
Rubber compound for electrical conductors		 SCHWARTZ, Emil W.
SAVAGE, Manuel H.
SPARGO, Francis C.
 Rubber General Electric Co.
U 2,146,597 February 7, 1939 Process of Treating Rubber
Rubber treating process		 SCHWARTZ, Emil W.
CROASDALE, Evan T.
 Rubber General Electric Co.
 1940
U 2,215,152 September 17, 1940 Insulator
Rubber insert		 HOSFIELD, Glenn E.
 Rubber  
U Specimen known 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.
 1942
U 2,304,204 December 8, 1942 Electrical Insulator
Rubber insulator for wire fence		 RATZMAN, Borah B.
 Rubber  
U Specimen known 2,304,483 December 8, 1942 Electrical Insulator
Rubber pin type insulator		 SMITH, Donald H.
WHEELER, Herbert H.
 Rubber Western Union Telegraph Co.
 1952
U 2,623,094 December 23, 1952 Resiliently Mounted Spool Type Insulator
Rubber bushing for mounting Case type & rack type spool insulators		 MARKLEY, William F.
 Rubber Western Union Telegraph Co.
 1962
U Specimen known 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.

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