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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 = '137') ORDER BY type ASC, date, patent

Total of 6 patents found where: Class is '137';

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T / S Patent Date Description Patentee Category Assigned To
 1872
U Specimen known 123,878 February 20, 1872 Improvement in Telegraph Insulators
CD 141.9, four projections to reduce surface contact
EMMINGER, David R. P.
Insulator  
 1874
U 154,638 September 1, 1874 Improvement in Casting Stench Traps
Method of casting lead S-traps
BROOKE, Homer
Misc  
 1897
U 588,318 August 17, 1897 Apparatus for Manufacturing Articles of Glass
Method of keeping glass molten and delivering it to the press
BROOKE, Homer
Manufacturer 3/8 to John C. Grout
 1919
U 1,307,878 June 24, 1919 Reservoir For Oil Stoves
Kerosene jar
PERLICK, Robert
HU  
 1920
U 1,343,343 June 15, 1920 Fuel Reservoir
Kerosene jar
BRENNEN, John S.
HU  
 1958
U 2,821,158 January 28, 1958 Machine for Coating Bell-Shaped Electrical Suspension Insulators
Machine for automatically glazing suspension insulators and applying a sanded band for cementing the metal cap.
BROWN, Leonard
MIGLIORINI, Vincent T.
LENZ, Carl
SMITLEY, Wayne C.
Manufacturing General Electric Co.

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