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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 = '174') AND (category.subclass = '42') ORDER BY date ASC, patent, type

Total of 10 patents found where: Class is '174'; Subclass is '42';

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T / S Patent Date Description Patentee Category Assigned To
 1881
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  
 1883
U 286,681 October 16, 1883 Acoustic and Electric Insulator
Hook with devices for suspending and insulating conductors (see 481,132)		 BOWEN, William J.
 Hook 1/2 to T. T. Keckeler and Z. C. Thiving
 1909
U 911,973 February 9, 1909 Insulating High-Voltage Transmission-Lines
Use of steel coil attached to insulator (instead of the conductor) to offer resistance to control lightning surge and protect the insulator		 GODDARD, Walter T.
 Lightning The Locke Insulator Mfg. Co.
 1917
U Specimen known 1,229,272 June 12, 1917 Insulator
CD 210 with top saddle groove (see 954,350)		 IRWIN, John J.
 Insulator  
 1925
U 1,527,346 February 24, 1925 Flexible Insulator
Wireholder with lag screw and metal bracket		 BRADY, William P.
 Wireholder Brady Electric & Mfg. Co.
 1926
U 1,611,871 December 28, 1926 High Tension Installation
Use of flux control insulators and arcing horns on transmission lines		 AUSTIN, Arthur O.
 Transmission The Ohio Brass Co.
 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.
 1941
U 2,263,728 November 25, 1941 Combined Line Wire Tie and Reinforcement
Combination tie-wire and line tie		 GORDON, Chester S.
KLEINFELDER, Walter C.
 Tie Wire Bell Telephone Laboratories, Inc.
 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.

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