Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
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 = '156') ORDER BY assigned_to ASC, date, patent, type

Total of 2 patents found where: Class is '65'; Subclass is '156';

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 486,182 November 15, 1892 Glass Mold
Glass mold to form threads on the bottle.
OAKMAN, Samuel
Bottle  
 Owens-Illinois Glass Co.
U 2,182,986 December 12, 1939 Method and Automatic Device for Sealing Glass Block Halves Together
Machine to seal glass block halves together
HOGE, John R.
SOUBIER, Leonard D.
MANKIN, Lawrence O.
OI Owens-Illinois Glass Co.

Total of 0.01 seconds