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') AND (category.subclass = '134.3PA') ORDER BY date ASC, patent, type |
Total of 8 patents found where: Class is '254'; Subclass is '134.3PA';
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. |
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 | |
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