|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 = '65') AND (category.subclass = '115') ORDER BY date ASC, patent, type|
Total of 4 patents found where: Class is '65'; Subclass is '115';
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|
|U||2,254,227||September 2, 1941||Glass Tempering Method and Apparatus
Glass tempering of suspension insulators in a controlled manner
|LEWIS, Evan J.
||Glass||Corning Glass Works|
|U||2,418,713||April 8, 1947||Thermally Toughened Insulator
CD 228.5: tempering the surface of glass insulators for added strength
|HOLMES, Minot K.
PLUMMER, Jesse H.
|Insulator||Owens-Illinois Glass Co.|
|U||2,895,260||July 21, 1959||Method of Treating a Glass Insulator
Method of making a toughened glass insulator
|JELLYMAN, Philip E.
DICKINSON, George A.
MACINTOSH, Hamish F.
|Glass||Pilkington Brothers Ltd.|
|U||3,093,508||June 11, 1963||Method of Coating Glass
Silicone coated glass that can be used for insulators
|WARTENBERG, Erwin W.
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