|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|
|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.
|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.|
|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
MISHLER, Milton B.
|U||588,048||August 10, 1897||Insulator for Wires
Knob with grooves and bracket
|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
|U||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.|
|U||2,082,507||June 1, 1937||Pole for Pin
Pole top pin with hook to support wire during stringing
|PITTMAN, Ralph R.
|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.|
|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
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