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 = '57') ORDER BY date ASC, patent, type

Total of 18 patents found where: Class is '57';

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
 1871
U 112,426 March 7, 1871 Improvement in Lightning Rods
Lightning rod made of three or more galvanized iron wires with copper wire laid over and in the grooves between the iron wires to form a metal rope
CUSHMAN, Sylvanus D.
Lightning Rod  
U 119,987 October 17, 1871 Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see 113,154) by wrapping wires around a central core, covering with a sheath of sheet copper, and coiling up the rod as it is produced
KNAPP, George S.
Lightning Rod Machine  
 1872
U 129,676 July 23, 1872 Improvement in Lightning Rods
Lightning rod made of several ropes of twisted angular copper wire twisted around an iron core to reduce cost
MUNSON, David
Lightning Rod  
 1874
U 156,713 November 10, 1874 Improvement in Machines for Making Tubular Lightning Rods
Machine for making lightning rods by make metal tubes from sheet metal and wrapping the tubes around a central core
SCHOONMAKER, John C.
Lightning Rod Machine  
 1875
U 159,961 February 16, 1875 Improvement in Lightning Rods
Improvement on patent 122,055 by using smaller wires in greater number to improve flexibility
PHELPS, Myron D.
Lightning Rod  
 1876
R 7,063 April 18, 1876 Improvement in Lightning Conductors, Rods, or Cables
Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see 120,457)
PRESTON, Othniel
Lightning Rod  
 1877
U 188,444 March 13, 1877 Improvement in Lightning Rods
Lightning rod made of copper sheathed iron wire with several iron wires twisted and wrapped around it
VAN LOON, Nicholas
Lightning Rod  
U 190,391 May 1, 1877 Improvement in Lightning Rods
Lightning rod made of a central galvanized iron rod twisted around with several galvanized rods all soldered together then intertwined with strips of copper that are soldered to the core
VAN LOON, Nicholas
Lightning Rod  
 1887
U 364,605 June 7, 1887 Lightning Rod
Lightning rod composed of a hollow core wrapped with small hollow wire which has been wrapped with soft wire and the whole encsed in a copper covering
SCHOONMAKER, James H.
Lightning Rod 2/3 to Henderson D. Morse and Nathaniel C. Gault
 1899
U 630,334 August 8, 1899 Machine for Making Lightning Rods
Machine for making lightning rods that are easily bent to aid in installation
DODD, West
Lightning Rod Machine  
 1908
U 887,277 May 12, 1908 Machine for Making Cable Lightning Rods
Machine for making cable conductors that is a cable within a cable for greatest flexibility and conduction
SHINN, William C.
Lightning Rod Machine  
 1910
U 950,454 February 22, 1910 Lightning Rod
Conductor cable made by spiralling one wire around a straight wire and making a cable using multiple pairs
MOORE, George J.
Lightning Rod Moore Brothers Lightning Rod Co.
 1915
U 1,135,940 April 13, 1915 Lightning Rod Cable
Flexible lightning rod conductor made of twisted and spiralled wire cable
JUEL, Peter J.
Lightning Rod H. S. Rottenborg and H. C. Hansen
 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 0.01 seconds