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 (date >= '1881-00-00' AND date < '1882-00-00') ORDER BY category ASC, date, patent, type

Total of 9 patents found where: Year is 1881

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
 Bottle
U 241,921 May 24, 1881 Means for Attaching Caps to Bottles
Internal groove in the neck of a bottle to secure the cap by means of a chain
BROOKE, Homer
Bottle  
 Composition
U 243,782 July 5, 1881 Compound Substance for Electric Insulators
Composition for hard rubber for insulators
MAYALL, Thomas J.
Composition  
 Lightning Rod
U 243,630 June 28, 1881 Lightning Rod
Lightning rod composed of a zinc tube covered with copper surrounded by twisted spiraling tubes of the same combination
SCHOONMAKER, James H.
Lightning Rod 4/5 to H. D. Morse and N. C. Gault
R 9,934 November 15, 1881 Lightning Rod
Reissue of R6,835 which was a reissue of 167,415; Lightning rod system tied into the existing gutter of a home or building
SPANG, Henry W.
Lightning Rod  
U 250,950 December 13, 1881 Electrical Conductor for Oil Tank Protection
Lightning rod protection system for an oil tank
NEWHALL, Walter P.
Lightning Rod 1/2 to James Casey
 Lightning Rod Ornament
U 243,021 June 14, 1881 Lightning Rod Ornament
Lightning rod ornament consisting of a skeleton of metal wires in the shape of a ball
WELIN, Andrew J.
Lightning Rod Ornament  
 Miscellaneous
U 243,513 June 28, 1881 Device for Deadening Sound Vibrations of Telegraph Wires
Sound deadening device to prevent humming of telegraph wires
CONNOR, Paul D.
Miscellaneous  
 Press
U Specimen known 242,825 June 14, 1881 Glass Press for the Manufacture of Insulators
Press for making glass insulators
HEMINGRAY, Robert
Press  
 Thread
U Specimen known 247,100 September 13, 1881 Process of Forming Screws in Articles of Glass
Threading process inserts hollow blown glass thimble for threads
OAKMAN, Samuel
Thread Edward C. Sherburne

Total of 0.01 seconds