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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 = '154') ORDER BY date ASC, patent, type

Total of 65 patents found where: Class is '174'; Subclass is '154';

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T / S Patent Date Description Patentee Category Assigned To
 1848
U 5,889 October 31, 1848 Insulating Support for Telegraph Wires
Block (glass) with zigzag slit held by hooded bracket
LIVINGSTON, Laureston R.
ROGGEN, John J.
ADAMS, Calvin
Block  
 1850
U Specimen known 7,076 February 5, 1850 Lightning Rod Insulator
Lightning rod insulator (attachment for conductors)
SPRATT, James
Lightning Rod Insulator  
 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  
 1859
U Specimen known 23,373 March 29, 1859 Improved Insulator for Lightning Rods
Lightning rod insulator (glass) and bracket to hold rod
HICKOK, Russel
Lightning Rod Insulator  
 1860
U 28,263 May 15, 1860 Improved Insulator for Electrodes
Slotted enameled iron ring for holding electrodes
ENGLER, Louis
KRAUSS, Ernest F.
Slotted  
 1867
U 66,215 July 2, 1867 Improvement in Insulator Holders
Lightning rod insulator holder for glass insulator
CALROW, Richard
Lightning Rod Insulator  
 1868
U 78,459 June 2, 1868 Improvement in Lightning Rods
Means of connecting tubular lightning rods and supporting with rubber brackets
KIRTLAND, George
Lightning Rod Coupling S. Smith
 1869
U 92,299 July 6, 1869 Improvement in Telegraph Insulators
Clamp type insulator and bracket
FRY, John W.
Clamp Type  
U 93,410 August 10, 1869 Improvement in Insulators for Lightning Rods
Lightning rod insulator clamp type and rain shield
BURNHAM, John
Lightning Rod Insulator  
 1880
U 234,523 November 16, 1880 Telegraph Insulator
Slotted circular insulator held by split metal screw bracket
BIGEON, Charles
Slotted  
 1882
U 263,423 August 29, 1882 Stand for Lighting Rods
Lightning rod tripod stand supported on insulators mounted on the feet
MUNN, William B.
Lightning Rod  
 1883
U 280,947 July 10, 1883 Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires
OHL, Percy C.
Cylinder  
 1884
U 298,594 May 13, 1884 Terminal Insulator
Spool (skirted) with bracket to act as terminal wire support
LEWIS, Joseph Slater
Spool 1/2 to William P. Thompson
 1885
U 319,300 June 2, 1885 Lightning Arrester for Wire Fence
Lightning protection for wire fence
MORTON, William Arthur
Lightning Rod Fence  
 1887
U 369,447 September 6, 1887 Insulator
Cleat - clamp type with slotted cylinder and screw eye
GREENFIELD, Edwin T.
Cleat Greenfield & Co.
 1890
U 430,696 June 24, 1890 Insulator
Cylinder with external threads to screw into crossarm
SEAMON, William H.
Cylinder  
 1892
U 477,753 June 28, 1892 Insulator
Clamp type
GOOLD, Frederick D'A
Clamp Type The Edison General Electric Co.
 1893
U 495,552 April 18, 1893 Insulator
Clamp type called the ""Security"" insulator. It was sold by the McLeod, Ward & Co.
HILLS, Louis
Clamp Type  
U 496,081 April 25, 1893 Insulator
Insulator mounted in a slot in the crossarm and secured with a hinged latching cover
WRIGHT, Joseph F.
Insulator  
 1896
U 554,955 February 18, 1896 Insulator for Electric Wires
Clamp type (Scientific American 3-7-1896)
RIERA, Magin
Clamp Type  
 1897
U 581,088 April 20, 1897 Electric Wire Insulator
Block of glass to hold wire in crossarm
SHARPE, John E.
Block  
U 583,692 June 1, 1897 Insulator
Clamp type with lag screw
RENAULT, Edward
Clamp Type  
 1900
U Specimen known 650,445 May 29, 1900 Insulator
Strain type with ""Z"" shaped groove
ZERTUCHE, Emilio
Strain  
 1902
U 698,097 April 22, 1902 Electrical Insulator
Bushing and bracket to support conductor cable
BALL, Henry Price
Bushing General Incandescent Light Co.
 1905
U 787,107 April 11, 1905 Telegraph or Telephone Wire Insulator
Clamp type
MCDANIEL, Robert J.
GRAVES, Salathiel V.
Clamp Type Samuel Hudson
 1906
U 823,912 June 19, 1906 Insulator
Cylindrical insulator with hole for line wire and hole for tie wire mounted in hole in crossarm and secured with cover over top of crossarm
BIELE, August
Insulator  
U 830,585 September 11, 1906 Insulator for Telegraph and Telephone Wires
miscellaneous - block held by metal casing
GRAVES, Salathiel V.
MCDANIEL, Samuel H.
Miscellaneous  
 1908
U 880,971 March 3, 1908 Insulator
Tie wire over top seat & through pin
CARTER, George W.
Tie Wire  
U 883,227 March 31, 1908 Insulator
Odd cylindrical insulator with slot of top to hold line wire and threaded exterior to screw into a hold bored in the crossarm and a set screw on top to secure the line wire
PADDEN, Edward F.
Miscellaneous  
U 907,834 December 29, 1908 Insulator
Slack wire holder with nail spike
MARSHALL, George B.
Slack Wire  
 1909
U 942,086 December 7, 1909 Support and Insulator
Complicated insulator made of two plates of glass secured in a wooden box
LINDSAY, Edward F.
Insulator  
 1911
U 1,003,285 September 12, 1911 Lightning Rod Brace
Lightning rod tripod to support rod with Y-clips to hold conductor insulator or conductor
MILLER, George A.
Lightning Rod  
U 1,011,164 December 12, 1911 Insulator
Clamp type
CORNELIUS, Samuel S.
Clamp Type  
 1913
U 1,054,690 March 4, 1913 Electric Wire Supporting Device
U-shaped block insulator fitted into slots in the crossarm to hold telegraph and telephone lines.
HICKS, Henry A.
Block  
U 1,071,419 August 26, 1913 Insulator
Self-tying miscellaneous slotted cube
HETHERINGTON, Bert
Self-tying Miscellaneous  
 1914
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells
 1916
U 1,176,590 March 21, 1916 Protected Insulator
Two part round or ball-shaped insulator secured with a metal cover. The line wire is clamped between the two insulator parts and the metal protective cover holds the parts securely against the wire.
MOCK, John H.
Protective Shield  
U 1,178,383 April 4, 1916 Insulator
Self-tying cylindrical insulator with slot for line wire and bracket that fits around the insulator to hold the wire in place
CASLOW, William H.
Self-tying Miscellaneous  
U 1,204,196 November 7, 1916 Adjustable Support for Insulators
Pin made of two parts and loop on one end to clamp the insulator.
SCHULZ, Rudolf W.
Pin  
 1917
U 1,225,460 May 8, 1917 Insulator Wall Bracket
Bracket for rack knobs
MCCARTHY, James B.
Bracket National Metal Molding Co.
U 1,233,475 July 17, 1917 Insulator
Clamp type with lag screw
HUDSON, Christopher C.
Clamp Type  
 1924
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
 1925
U 1,527,346 February 24, 1925 Flexible Insulator
Wireholder with lag screw and metal bracket
BRADY, William P.
Wireholder Brady Electric & Mfg. Co.
 1926
U 1,596,931 August 24, 1926 Insulator
Slack wire cylindrical insulator and mounting clip
JOYCE, Bryan P.
Slack Wire  
 1927
U 1,613,464 January 4, 1927 Reinforced Insulator
Wireholder with lag screw and or U-shaped metal bracket
KYLE, William D.
Wireholder Line Material Co.
 1928
U 1,674,905 June 26, 1928 Insulator
Wireholder with lag screw embedded in eye-shaped insulator
KYLE, William D.
HENDEE, Lem E.
Wireholder Line Material Co.
 1929
U 1,717,885 June 18, 1929 Mounting for Electric Conductors
Hanger insulator made of rubber for trolley conductor
LEIPERT, August H.
Hanger The Rubber Shock Insulator Corp.
 1930
U Specimen known 1,772,184 August 5, 1930 Dead End Wire Connection
Deadend insulator with insulator that fit in steel loop bracket (RACO deadend bracket)
LAVARACK, William H. B.
PATTERSON, Ray
Deadend  
U 1,779,501 October 28, 1930 Insulator
Wireholder with lag screw
STEINMAYER, Alwin G.
Wireholder Line Material Co.
 1931
U 1,838,319 December 29, 1931 Insulator
Wireholder with lag screw
MILLER, Charles E.
Wireholder  
 1933
U 1,914,437 June 20, 1933 Insulator
Wireholder with lag screw
KYLE, William D.
Wireholder Line Material Co.
 1935
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 1937
U 2,099,098 November 16, 1937 Bracket for Electrical Wires
Wireholder with lag screw
BINKLEY, William J.
Wireholder James R. Kearney Corp.
 1938
U 2,139,332 December 6, 1938 Wire Holder
Wireholder with lag screw
PITTMAN, Ralph R.
WALSH, Carroll H.
Wireholder  
 1939
U Specimen known 2,174,723 October 3, 1939 Insulator
Wireholder with metal loop, base & lag screw
HOCHER, Andrew A.
Wireholder Hubbard & Co.
 1940
U 2,218,004 October 15, 1940 Porcelain Insulator Screw Bracket
Wireholder with lag screw
LEMONT, Clarence J.
Wireholder Line Material Co.
U 2,219,727 October 29, 1940 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
Wireholder 1/3 to Karl Thielscher
U 2,224,361 December 10, 1940 Insulator
Wireholder with lag screw
SEELYE, Howard P.
Wireholder  
 1941
U 2,237,717 April 8, 1941 Insulator Structure
Wireholder with multiple grooves and lag screw
STEWART, Lory B.
STEWART, Alvin J.
Wireholder 1/3 to Karl Thielscher
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.
U 2,259,526 October 21, 1941 Insulator
Wireholder with lag screw (see reissue 22,269 on 4-11-1944)
LEMONT, Clarence J.
Wireholder Line Material Co.
 1942
U 2,269,409 January 6, 1942 Wire Holder
Wireholder with lag screw
MCCHESNEY, JR., Samuel Waldrop
Wireholder Porcelain Products, Inc.
U 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 1944
R 22,469 April 11, 1944 Insulator
Wireholder with lag screw (reissue of 2,259,526)
LEMONT, Clarence J.
Wireholder Line Material Co.
 1958
U 2,843,653 July 15, 1958 Conductor Insulator Clamp
Tie wire replacement using a preformed bail wire design
MIX, Chauncey C.
Tie Wire  

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