|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 = '146') ORDER BY date ASC, patent, type|
Total of 16 patents found where: Class is '174'; Subclass is '146';
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|
|U||279,289||June 12, 1883||Telegraph and Telephone Line
Use of copper wire instead of iron and crossarms between poles to keep the wires separated
|VALE, Theodore N.
|U||280,947||July 10, 1883||Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires
|OHL, Percy C.
|U||295,073||March 11, 1884||Telegraph Wire Supporter
Split insulator that fits around conductor and connected to adjacent split insulator with tie-wire
|STONE, Ross C.
|U||308,818||December 2, 1884||Brace for Telegraph and Telephone Lines
Brace to keep multiple lines separated during high wind.
|ARNOLD, Andrew H.
|U||710,206||September 30, 1902||Apparatus for Transposing Electric Circuit Wires so as to Equalize Induction
|U||806,769||December 12, 1905||Adjustable Support for Telegraph Line Wires
Split cylinder of wood insulator for spacing line wires with external spiral grooves for receiving spiral of wire to hold the halves together and attach to insulator on adjacent wires
|BELL, Jasper N.
|U||1,761,046||June 3, 1930||Transposition Device
Transposition ring for radio line
|PFAUTZ, Christian E.
|U||2,043,754||June 9, 1936||Transposition Insulator
Transposition for radio line
|JOHNSON, Edgar F.
|U||2,092,515||September 7, 1937||Insulator
Circular line spacer for telephone wires composed of a disk with holes for each wire
|JERVEY, William T.
||Spacer||Bell Telephone Laboratories, Inc.|
|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.|
|U||2,444,938||July 13, 1948||Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
|MARTIN, JR., Albert D.
|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.|
|U||2,912,482||November 10, 1959||Aerial Cable Support and Spacer
Support and spacer for multiple electrical power lines
|HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
|Spacer||PLM Products, Inc.|
|U||2,921,112||January 12, 1960||Electric Conductor Strand Separator Insulator
Spacer for conductors
|DYKSTRA, Laurence J.
GRILLS, Lee J.
|Spacer||The Porcelain Insulator Corp.|
|U||3,268,655||August 23, 1966||High Voltage Cable Spacer Insulator Device
Aerial spacer to hold three high voltage conductors and keep them spaced apart.
|HAIGH, William Francis
MCMAHON, Eugene Joseph
|Spacer||Fargo Manufacturing Co.|
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