Search the Insulator Patent Reference Library

SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1851-00-00' AND date < '1852-00-00') ORDER BY date ASC, patent, type

Total of 5 patents found where: Year is 1851

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
		1851
U	8,075	May 6, 1851	Improvement in the Manufacture of India Rubber Rubber - vulcanizing process for hard rubber for insulator	GOODYEAR, Nelson	Rubber
U	8,316	August 26, 1851	Improvement in Insulators for Lightning Rods Lightning rod insulator (attachment for conductors)	OTIS, George W.	Lightning Rod Insulator
U	8,418	October 14, 1851	Improvement in Insulators for Telegraph Wires Metal or cast iron insulator with cupped dry area at bottom. Glass poured in with a conductor supporting iron rod embedded in the glass, and the cupped is coated or lined with glass, porcelain, or enamel. The bottom skirt is slanted inward 45 degrees to prevent water from splashing up inside wetting the interior surface. This feature was utilized in U-983 and U-984 made by the U. S. Pottery Co. in Bennington, VT.	BATCHELDER, John M.	Metal
U	8,419	October 14, 1851	Insulator for Telegraph Wires Hook embedded in metal shell (with guta percha) for bolting	ROBBINS, Zenas C.	Hook
U	8,438	October 14, 1851	Improvement in Insulators for Telegraphs CD 1012 & CD 1014, slotted glass tube mounted in a wooden bracket	YANDELL, John	Insulator

Total of 0.00 seconds

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: