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 = '254') ORDER BY date ASC, patent, type

Total of 10 patents found where: Class is '254';

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
 1889
U 400,552 April 2, 1889 Telegraph Wire Carrier
Two spools mounted together to secure telegraph wire between them and mounted on a crossarm		 DONALDSON, Robert S.
 Spool  
 1891
U 461,109 October 13, 1891 Device for Stretching Heavy Wires on Poles
Mechanical device mounted on the crossarm with a roller to aid in stretching wires before they are attached to insulators.		 BALL, Henry Price
 Wire Stretcher Edison General Electric Co.
 1894
U 530,361 December 4, 1894 Tool for Lineman's Use
Lineman's tool to remove or apply the tie wire loop on an insulator		 SMITH, Solomon
MISHLER, Milton B.
 Tool  
 1897
U 588,048 August 10, 1897 Insulator for Wires
Knob with grooves and bracket		 ASHBY, George
 Knob  
 1912
U 1,036,136 August 20, 1912 Tool for Stringing Line Wires
Special bracket that fits around the insulator and crossarm to loosely hold the line wire during stringing and before the line is tied to the insulator		 MENAGER, Henry A.
 Bracket 91/100 to John A. Menager
U 1,048,706 December 31, 1912 Bracket for Current Conducting Wires
Side pin with notch cut out to allow a splice to pull through before mounting wire on the glass insulators		 KLEINHESSELINK, Arie
 Pin  
 1925
U Specimen known 1,563,377 December 1, 1925 Pulling and Transposing Mechanism for Line Wires
Mechanism for pulling multiple wires in order to string them for transposing.		 KLEIN, Charles H.
 Equipment American Telephone & Telegraph Co.
 1937
U 2,082,507 June 1, 1937 Pole for Pin
Pole top pin with hook to support wire during stringing		 PITTMAN, Ralph R.
 Pin  
 1942
U 2,301,266 November 10, 1942 Method and Means for Transposing Electrical Conductors
Tensioning device before and after transposition brackets for carrier circuits		 FOX, Arthur L.
 Transposition Bell Telephone Laboratories, Inc.
 1954
U 2,684,228 July 20, 1954 Electric Line Stringing Device
Metal shaped like an open circle mounted temporarily on a corner pin to allow easy stringing of the line without possible injury to linemen.		 DION, Francois Emile
 Miscellaneous  

Total of 0.00 seconds