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 WHERE (category = 'Arcing') ORDER BY assigned_to ASC, date, patent, type

Total of 1 patents found where: Category is 'Arcing';

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
 Locke Insulator Mfg. Co.
U 1,001,137 August 22, 1911 Insulator Protector
Arcing device attached to top and bottom of insulator
GODDARD, Walter T.
Arcing Locke Insulator Mfg. Co.

Total of 0.01 seconds