|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 = '425') AND (category.subclass = '356') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '425'; Subclass is '356';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||1,929,737||October 10, 1933||Apparatus for Molding Insulators
Die to hot press to form an insulator for street lights with one part of the mold rotating and a stationary part to form petticoats with integral lugs (see 2,007,567)
|FISCHER, Eugene H.
||Manufacturing||The Harford Faience Co.|
|U||2,582,922||January 15, 1952||Apparatus for Molding Articles
Press that can be adapted for insulator manufacture
|CROWLEY, Henry L.
HOSSENLOPP, Arthur M.
|Press||Henry L. Crowley & Co., Inc.|
|U||3,185,560||May 25, 1965||Plural Piston Press Forming Apparatus
Press for forming the inner shape of glass articles such as a suspension insulator
|WILCOCK, John Edward
||Press||Pilkington Brothers Ltd.|
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