|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 = '151') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '174'; Subclass is '151';
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||615,896||December 13, 1898||Vacuum Insulator for Electric Conductors
Wall tube sealed in vacuum and protected from weather (see 608,906)
|POCHE, Joseph Arthur
|U||698,097||April 22, 1902||Electrical Insulator
Bushing and bracket to support conductor cable
|BALL, Henry Price
||Bushing||General Incandescent Light Co.|
|U||979,840||December 27, 1910||Insulator Base
Insulator base to support a high voltage insulator on a building roof to allow the conductor to enter the roof
|GODDARD, Walter T.
||Insulator Base||Locke Insulator Mfg. Co.|
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