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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 = '45R') ORDER BY date ASC, patent, type

Total of 38 patents found where: Class is '174'; Subclass is '45R';

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T / S Patent Date Description Patentee Category Assigned To
 1851
U Specimen known 8,438 October 14, 1851 Improvement in Insulators for Telegraphs
CD 1012 & CD 1014, slotted glass tube mounted in a wooden bracket		 YANDELL, John
 Insulator  
 1868
U 75,492 March 10, 1868 Improvement in Telegraph Poles
Wire wrapped pole and crossarms to carry leaking electricity to ground		 VARLEY, Cromwell F.
 Wire  
 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  
 1884
U 303,261 August 12, 1884 Cap for Telegraph and Telephone Poles
Pin designed to cover top of pole to protect the pole from weather		 BROOMHALL, George L.
 Pin  
 1885
U 310,931 January 20, 1885 Device for Securing Electric Wires to Poles
Pin with plate flange to wrap around pole without drilling a hole		 BLOOMHALL, George L.
 Pin  
U 319,447 June 9, 1885 Insulator
Wire groove projections through metal cover to contact wire		 BROOMHALL, George L.
 Wire  
 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  
 1890
U 421,819 February 18, 1890 Insulator
Blocks (2) to hold wire and pole system		 DAVY, John W.
 Block  
U 426,198 April 22, 1890 Insulator
Covers for insulators on crossarms to protect them from rain and reduce electrical leakage		 MUNSIE, James F.
 Rainshed  
 1893
U 506,002 October 3, 1893 Insulating Support for Metallic Circuits
Oil cup insulator to support short crossarm for two insulators		 COUSENS, Alfred C.
 Oil Charles Stone
 1898
U 600,397 March 8, 1898 Arm for Telegraph Poles
Crossarm for multiple pins		 ANDERSON, Lee
 Crossarm 1/2 to Wallace B. Howard and Alex Staggs
 1900
U 652,861 July 3, 1900 Overhead Wire Lightning Protector
Lightning rod with multiple points (see 637,282) (see reissue 11,759)		 POCHE, Joseph Arthur
 Lightning Rod Point  
 1905
U 793,313 June 27, 1905 Insulator
Split insulator to hold wire in the center hole and split bracket to hold insulator above crossarm to prevent line wire from dropping if insulator breaks		 MOSS, Bertie B.
 Miscellaneous Leander G. Davis and Milton Hottel
 1908
U 885,678 April 21, 1908 Insulator for Heavy Currents
Heavy duty Electrose insulator that was bolted to supports and had several horizontal flanges or skirts.		 STEINBERGER, Louis
 Electrose  
U 892,822 July 7, 1908 Pole Top Cap
Metal pole top cap with insulator support and lateral extension to support protector wire		 FRASER, James William
 Bracket  
 1910
U 945,350 January 4, 1910 Insulator
Two part insulator fitted in the underside of the crossarm.		 TINSLEY, Addison B.
 Under Crossarm  
U 947,885 February 1, 1910 Insulator
Suspension insulator and clamp support system		 CONE, William S.
 Suspension  
U Specimen known 964,737 July 19, 1910 Insulated Distributor for Electric Service Wires
Wireholder for multiple drop wires suspended under the crossarm		 ASHLEY, John B.
 Wireholder  
U 974,207 November 1, 1910 Insulator Support
Bracket for 3-phase circuit using multipart insulator oriented in shape of >		 THOMPSON, Warren Ray
 Bracket H. M. Byllesby & Co.
 1912
U 1,032,715 July 16, 1912 Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins		 WALKER, Oral B.
 Crossarm  
 1915
U 1,147,757 July 27, 1915 Insulator Supporting Structure
Bracket for 3-phase circuit using multipart insulator oriented in shape of >		 SEYLER, Carl P.
 Bracket  
U 1,149,282 August 10, 1915 Insulator Supporting Fixture
Bracket (various styles) made by bending pipe		 PEIRCE, JR., Charles L.
 Bracket  
 1916
U 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.		 PEIRCE, JR., Charles L.
 Crossarm  
U 1,184,336 May 23, 1916 Combination Wire Support for Electric Distribution
Pin bracket for poles		 FAY, John L.
 Bracket W. N. Matthews & Brother Inc.
 1917
U 1,246,304 November 13, 1917 Support for Electric Conductors
Bracket for 3 large insulators for pole top		 MUELLER, Otto
HAMER, William D.
 Bracket Electric Service Supplies Co.
 1920
U 1,362,038 December 14, 1920 Support for Electric Conductors
Metal strap type support bracket for a pole top to support an insulator.		 PLIMPTON, Bentley A.
 Bracket  
 1927
U Specimen known 1,621,530 March 22, 1927 Dead-Ending Clamp
Dead ending clamp for long span crossings		 FITZPATRICK, Paul G.
 Hardware American Telegraph & Telephone Co.
 1928
U 1,685,663 September 25, 1928 Insulated Perch for Preventing Bird Trouble in Connection with Electrical Transmission Lines
Arrangement of a pintype insulator and specially designed conductor above a suspension string to discourage birds from sitting above suspension string		 AUSTIN, Arthur O.
 Miscellaneous The Ohio Brass Co.
 1930
U 1,783,271 December 2, 1930 High Potential Installation
Use of flux control arcing horns (see 1,552,664) to control flashover on towers using strings of suspension disks (see 1,783,272)		 AUSTIN, Arthur O.
 Transmission The Ohio Brass Co.
U 1,783,272 December 2, 1930 Support for Transmission Lines
Orientation of tower supporting transmission line using flux control arcing harms (see 1,783,271)		 AUSTIN, Arthur O.
 Transmission The Ohio Brass Co.
 1931
U 1,815,598 July 21, 1931 Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles		 STROUP, Charles L.
 Wood  
 1932
U 1,866,804 July 12, 1932 Means for Utilizing Wood Poles to Aid Insulators
On wood poles, connect the steel pins with a conductor and fuse to aid grounding an insulator struck by lightning and reduce the chance of burning the crossarm or pole		 HAWLEY, Kent A.
 Transmission Locke Insulator Corp.
 1935
R 19,473 February 19, 1935 Bracket
Bracket for poles for several rack spool wireholders (see 1,839,594)		 RICK, Karl L.
 Bracket Joslyn Mfg. & Supply Co.
 1936
U 2,048,504 July 21, 1936 Tower Supporting Insulator
Insulator to support radio antenna tower		 HAWLEY, Kent A.
 Radio Locke Insulator Corp.
 1939
U Specimen known 2,163,954 June 27, 1939 Electric Fence
Electric fence insulator with bail wire to hold the wire in place.		 LUCAS, John A.
 Electric Fence Prime Manufacturing Co.
 1948
U Specimen known 2,450,730 October 5, 1948 Post and Insulator for Electric Fences
Electric fence composed of a rod and adjustable insulator to hold the conductor		 HORD, Guy
 Electric Fence  
 1949
U 2,468,907 May 3, 1949 Electric Fence Post
Electric fence composed of a rod and an easily adjustable insulator to hold the conductor		 WILSON, Robert M.
PHILLIPS, Goddie F.
 Fence  

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