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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 = '33') ORDER BY date ASC, patent, type

Total of 35 patents found where: Class is '174'; Subclass is '33';

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T / S Patent Date Description Patentee Category Assigned To
 1888
U 392,775 November 13, 1888 Electric Circuit
Criss-crossing of overhead telephone wire to prevent crosstalk between parallel lines		 BARRATT, John A.
 Telephone The American Telephone & Telegraph Co.
 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  
 1925
U Specimen known 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.
 1929
U 1,712,860 May 14, 1929 Transposition Pin
Pin (metal) through crossarm for transposition		 WEIMAR, Robert
 Pin  
 1930
U 1,761,046 June 3, 1930 Transposition Device
Transposition ring for radio line		 PFAUTZ, Christian E.
 Transposition RCA
 1932
U Specimen known 1,840,362 January 12, 1932 Transposition Bracket for Insulators
Bracket for transposition		 HUNTER, Russell N.
STOVER, Herbert F.
 Bracket American Telephone & Telegraph Co.
 1933
U 1,912,456 June 6, 1933 Transposition Bracket
Bracket for transposition		 KLEIN, Charles H.
 Bracket Bell Telephone Laboratories, Inc.
 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 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.
 1950
U 2,526,917 October 24, 1950 Line Wire Spacer
Line wire spacer bracket for carrier circuits		 WHEELER, Herbert H.
MARKLEY, William F.
 Spacer Western Union Telegraph Co.
 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.

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