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 WHERE (category = 'Transposition') ORDER BY date ASC, patent, type

Total of 33 patents found where: Category is 'Transposition';

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
 1880
U 224,580 February 17, 1880 Induced Current Guard for Electrical Conductors
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
CHINNOCK, Charles E.
Transposition  
 1883
U 287,092 October 23, 1883 Mechanism for Preventing Induced Currents in Telephone Lines
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
BRENNAN, James W.
ROUSSEAU, Necter
Transposition  
 1886
U 343,014 June 1, 1886 Means for Preventing Disturbances on Telephone Lines
Pre-transposition technique to eliminate induced current on telephone and telegraph wires
DANN, John E.
LAPP, John
Transposition  
 1889
U 402,810 May 7, 1889 Supporting and Cross-Connecting Electric Wires
Transposition method using double crossarms with long and short pins
DENVER, William J.
Transposition  
 1902
U 710,206 September 30, 1902 Apparatus for Transposing Electric Circuit Wires so as to Equalize Induction
Transposition bracket
O'BRIEN, James
MATTIMORE, John
Transposition  
 1903
U 731,239 June 16, 1903 Telephone Circuit
Transposition metal connector for forming loops in line wire
SORG, Frederich W.
Transposition  
 1908
U 902,455 October 27, 1908 Transposition Bracket for Insulators
Transposition bracket
SKINNER, James E.
Transposition  
 1924
U 1,492,496 April 29, 1924 Insulator and Transposition Device
Transposition insulator with internal channels to transpose the wires
VERNOR, Thomas A.
Transposition  
 1930
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line
PFAUTZ, Christian E.
Transposition RCA
 1936
U 2,043,754 June 9, 1936 Transposition Insulator
Transposition for radio line
JOHNSON, Edgar F.
Transposition  
 1938
U 2,135,344 November 1, 1938 Transposed Lead-In
Transposition for radio line
JOHNSTON, Fred E.
Transposition Crosley Radio Corp.
U 2,138,571 November 29, 1938 Insulator
Transposition for telephone line
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
 1940
U Specimen known 2,195,986 April 2, 1940 Transmission Line Transposition
Transposition block (flat) for short wave radio antenna made of Faradite
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
 1941
U 2,248,044 July 8, 1941 Transposition Insulator
Transposition insulator with channels for two line wires to cross over within the insulator
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
 1942
U Specimen known 2,299,960 October 27, 1942 Bracket and Method of Transposing Wires
Transposition bracket
BREWSTER, Truman P.
MCKAHAN, Alexander C.
Transposition  
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 Specimen known 2,305,688 December 22, 1942 Transposition Block
Transposition block (flat) for short wave radio antenna
GODDARD, DeWitt Rugg
Transposition Radio Corporation of America
 1944
U 2,356,750 August 29, 1944 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
 1946
U 2,394,575 February 12, 1946 Transposition Bracket
Transposition bracket holding one insulator above the crossarm and one below
WHEELER, Herbert H.
Transposition Western Union Telegraph Co.
U 2,406,663 August 27, 1946 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
 1948
U 2,436,789 March 2, 1948 Wire Transposing Device
Transposition bracket using spools for carrier telephone circuits
CASE, Rogers
Transposition  
U Specimen known 2,437,593 March 9, 1948 Reinforced Wire-Contacting Insulator Assembly
Transposition bracket using spool insulators
CASE, Rogers
Transposition  
U 2,455,227 November 30, 1948 Wire Transposing Device
Transposition midspan bracket, 2 rotatable CD 1049 spools
CASE, Rogers
Transposition Transadean Associates, Inc.
U Specimen known 2,455,228 November 30, 1948 Transposition Bracket
Transposition 4-spool bracket (see 2,455,229 and 2,655,553)
CASE, Rogers
Transposition Transadean Associates, Inc.
U Specimen known 2,455,229 November 30, 1948 Transposition Bracket
Transposition bracket for fixed mounting on support
CASE, Rogers
Transposition Transadean Associates, Inc.
 1951
U Specimen known 2,553,747 May 22, 1951 Method and Means for Transposing Open-Wire Lines
Method of transposing wires
CARR, James A.
Transposition Bell Telephone Laboratories, Inc.
 1953
U 2,634,313 April 7, 1953 Line Wire Transposition Bracket
Transposition bracket pressed out of a square of steel to hold four insulators
RIDGERS, Frederick G.
Transposition N. Slater Co. LTD
U Specimen known 2,655,553 October 13, 1953 Line Transposition Bracket with Reinforcing Gussets
Transposition bracket (see 2,455,228)
CASE, Rogers
Transposition  
 1955
U 2,717,274 September 6, 1955 Transposition Bracket
Transposition bracket
CASE, Rogers
Transposition Transadean Associates, Inc.
 1956
U 2,747,010 May 22, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
 1958
U 2,862,990 December 2, 1958 Combination Point and Span Transposition Bracket
Transposition and span bracket for carrier circuits
CASE, JR., Rogers
Transposition  
 1964
U 3,118,967 January 21, 1964 Transposing Device
Unusual circular transposition insulator device
ROSENVOLD, Carl
Transposition Transadean Associates, Inc.

Total of 0.04 seconds