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 = '57') AND (category.subclass = '906') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '57'; Subclass is '906';
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 |
1939 | ||||||
U | 2,172,810 | September 12, 1939 | Reinforcement for Transmission Lines and the Like Preformed length of wire for specific line wire diameter to extend on either side of insulator to dampen out vibration in the line wire |
SHERMAN, Delmar C. |
Miscellaneous | |
1940 | ||||||
U | 2,202,538 | May 28, 1940 | Line Conductor Reinforcement and Tie Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending |
SELQUIST, Rolf |
Tie Wire | Copperweld Steel Co. |
1947 | ||||||
U | 2,421,286 | May 27, 1947 | Insulator Tie for Line Conductors Preformed hard drawn wire helix to act as line wire reinforcement and tie wire |
PYLE, Ralph D. |
Tie Wire | Copperweld Steel Co. |
1959 | ||||||
U | 2,911,695 | November 10, 1959 | Tie for Fastening a Line Wire to an Insulator Tie wire using a preformed helical wire with tie wire loop crimped several times to make points of contact with the insulator and secured in place with an interlocking clip |
KNIGHT, Robert D. MELVILLE, Thomas |
Tie Wire | United States Steel Corp. |
1962 | ||||||
U | 3,069,491 | December 18, 1962 | Helical Spring Wire Tie Preformed tie wire and line wire reinforcement using a simple single length of spring wire with no clips |
HAYDEN, Albert P. MASON, Alden O. |
Tie Wire | United States Steel Corp. |
Total of 0.00 seconds