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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 = '155') ORDER BY date ASC, patent, type

Total of 85 patents found where: Class is '174'; Subclass is '155';

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T / S Patent Date Description Patentee Category Assigned To
 1854
U 11,539 August 15, 1854 Insulator for Lightning Rods
Lightning rod insulator (split circular) with metal screw bracket
WEBB, Timothy U.
Lightning Rod Insulator  
 1860
U 27,977 April 24, 1860 Improved Method of Insulating and Supporting Lightning Rods
Lightning rod insulator (two-piece) with split support
FOX, Myron
Lightning Rod Insulator  
 1867
U 70,132 October 22, 1867 Improvement in Telegraph Insulators
Slotted, flanged insulator in slot in crossarm
TELLER, Daniel W.
SAVAGE, William L.
Slotted Themselves and W. H. Hoag
 1870
U 109,461 November 22, 1870 Improvement in Insulators for Telegraph Wires
Clamp type via two glass blocks held and kept dry by metal box
SMITH, Ashbel G.
PETTINGELL, William
Clamp Type Themselves and William H. Fowler
U 109,879 December 6, 1870 Improvement in Insulators for Telegraph Wires
Split insulator protected by metal cage
DE MONTUFAR, Manuel
Split  
 1871
U Specimen known 120,884 November 14, 1871 Improvement in Telegraph Insulators
Cylinder (split and circular) mounted in crossarm to hold wire
KIDWELL, George W.
Cylinder  
 1873
U 138,489 May 6, 1873 Improvement in Insulators for Telegraph lines
Cylinder split insulator to hold wire in hole in crossarm
EBY, Peter
FENNINGER, Michael B.
Cylinder  
U 139,436 May 27, 1873 Improvement in Insulators for Telegraph lines
Cylinder insulator held by threaded wooden pin bracket
TATOM, Isaac I.
Cylinder  
 1880
U 230,290 July 20, 1880 Lightning Rod Insulator
Lightning rod insulator of tubular glass with flat side & metal bracket
LILLY, Charles H.
Lightning Rod Insulator  
 1882
U 254,610 March 7, 1882 Insulator for Telegraph Wires
Cleat - self-tying by means of two insulating blocks
CAPEWELL, William H.
Cleat  
 1883
U 271,825 February 6, 1883 Fastening for Electric Circuit Wires
Miscellaneous grooved round insulator to hold wire & secured with a staple
FISKE, Henry G.
Miscellaneous  
 1884
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.
Miscellaneous  
U 297,677 April 29, 1884 Device for Attaching Telegraph Wires to Posts and Insulating Them Therefrom
Steel pin with lag screw and holder for insulator
COTTRELL, Herbert
Pin  
U 303,483 August 12, 1884 Insulator
Slotted spherical insulator supported by box & screw to hold wire
BAILEY, Charles De Roy
Slotted  
 1886
U 346,475 August 3, 1886 Insulator Block for Electric Conductors
Wooden insulator mounted on wire to prevent wire touching other
HAWKEN, Thomas
Wood  
 1887
U 368,284 August 16, 1887 Electric Wire Clamp Insulator
Cleat - clamp type
FLETCHER, John R.
Cleat  
 1889
U Specimen known 403,491 May 14, 1889 Insulating Device for Line Wires
Tree hanger split octagon shaped forestry insulator referred to as the Victor
SMITH, Thomas J.
Tree The E. S. Greeley & Co.
U 413,146 October 15, 1889 Insulator
Tree insulator bracket holding wire with two spool type insulator
MCCARTHY, Louis
Tree Charles Lee & The Gould & Watson Co.
 1890
U 419,642 January 21, 1890 Insulator for Electric Wires
Split ring with split ring holder and lag screw
CORNOG, Isaac P.
Split  
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  
 1892
U 466,726 January 5, 1892 Insulator
Clamp type split knob with lag screw
NORGRAVE, George B.
Clamp Type Richard I. Brewster
 1893
U 491,362 February 7, 1893 Insulator
Clamp type using two blocks
LANE, Augustus R.
Clamp Type  
U 503,778 August 22, 1893 Insulator for Electric Wires
Clamp type cylindrical 2 piece
TRIMBLE, William D.
Clamp Type  
 1894
U 525,708 September 11, 1894 Bus-Bar Insulating Support
Bracket support for one-wire cleats
HERRICK, Albert B.
Bracket General Electric Co.
 1895
U 541,332 June 18, 1895 Insulator
Miscellaneous 2-part insulator for barbed wire fence
PATTERSON, James M.
Miscellaneous  
U 552,501 December 31, 1895 Insulator
Self-tying clamp with cam lever (see 805,169)
SNIVELY, Charles H.
Self-tying Miscellaneous  
 1896
U 554,723 February 18, 1896 Insulator
Clamp type
PELOUBET, Esten
Clamp Type  
U 568,060 September 22, 1896 Insulator
Cylindrical block in crossarm
WOOD, William
Cylinder  
 1897
U 575,952 January 26, 1897 Insulator
Ball insulator fit in hole in bottom of crossarm
HOOVER, Frank
Ball 2/3 to W. Bennett & D. Murrell
U 584,235 June 8, 1897 Insulator for Telegraph or Other Electric Wires
Clamp type in holder of similar shape to Cutter
NESMITH, Christopher C.
ARNETT, George F.
Clamp Type  
U 595,827 December 21, 1897 Insulator Bracket
Clamp type composition insulator with top cable clamp
WOOLSEY, Charles A.
Clamp Type  
 1898
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]
WINGARD, Charles L.
Wall Tube 1/2 to Luella Wingard
 1900
U 660,140 October 23, 1900 Insulator
Clamp type ribbed cylindrical 2-piece
ALLEY, Cassius
Clamp Type 1/3 to C. Miller & H. Wagner
 1901
U Specimen known 678,042 July 9, 1901 Rack Insulator
Cleat - rack type
SARGENT, Howard R.
Cleat General Electric Co.
 1904
U 756,026 March 29, 1904 Insulator
Tree hanger
KINSLEY, William S.
BELL, Stewart S.
Tree  
U 756,627 April 5, 1904 Insulator
Clamp type 2-piece with horseshoe nail holder
HANSON, John A.
LAMBERT, Albert F.
Clamp Type  
U 770,278 September 20, 1904 Insulation Rack
Cleat - rack type
FLETCHER, John R.
Cleat  
 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
U 797,050 August 15, 1905 Insulator
Insulator, split and threaded to screw into hole in crossarm to hold wire
DUNSMORE, William W.
Insulator  
U 799,726 September 19, 1905 Insulator
Insulator, split and threaded to screw into hole in crossarm to hold wire
FOREMAN, Ernest Jay
Insulator  
U 803,973 November 7, 1905 Insulator
Clamp type
BEMIS, George M.
Clamp Type  
U 805,169 November 21, 1905 Insulator and Wire Clamp
Self-tying clamping with lever (see 552,501)
TAUBOLD, John F.
Self-tying Miscellaneous  
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.
Wood  
 1906
U 826,916 July 24, 1906 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
U 834,533 October 30, 1906 Insulator
Knob - split vertically to clamp wire
NICOLS, James F.
Knob 1/2 to C. D. Stevens
 1907
U 854,315 May 21, 1907 Insulator
Clamp type
STAUFFER, Henry D.
Clamp Type  
U 869,873 November 5, 1907 Insulator
Odd cylindrical insulator mounted vertically in a slitted bracket
BASS, Duncan M.
Miscellaneous  
U 870,486 November 5, 1907 Conducting Wire Support and Insulator
Split insulator with external threads to screw into hole in crossarm to hold line wire
WISTNER, Harvey W.
Miscellaneous  
U 873,456 December 10, 1907 Wire-Carrying Cross Arm and Insulator Therefor
Odd system using a split crossarm, split insulators fitted into notches in crossarm where top half of crossarm holds the insulators in place
OTTINGER, Edwin C.
Miscellaneous Jennie E. Ottinger, Walter S. Ottinger, Sr., Samuel H. Bair
 1908
U 888,154 May 19, 1908 Insulator
Clamp type
FRIEND, Howard
Clamp Type 1/2 to Walter Stevens
U 889,884 June 2, 1908 Insulator
Wireholder comprising two spools and metal holder
STRONG, M. Harrison
Wireholder 1/2 to Solomon E. Bronson
 1909
U 915,406 March 16, 1909 Insulator
Clamp type
BARTLEY, Samuel
BARTLEY, William O.
Clamp Type  
U 918,905 April 20, 1909 Insulator
Clamp type with split ring and lag screw
POND, Benjamin A.
Clamp Type  
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  
 1910
U 947,094 January 18, 1910 Insulator
Clamp type
BURTON, Edward
Clamp Type  
U 951,505 March 8, 1910 Insulating Tube
Tree hanger comprised of split tube
MATHER, Thomas T.
Tree  
U 971,619 October 4, 1910 Insulator
Clamp type
KLUGH, John T.
Clamp Type  
 1911
U 996,312 June 27, 1911 Insulator
Cleat - clamp type
CHILDRESS, Thornten D.
Cleat  
U 999,683 August 1, 1911 Insulator
Clamp type
TINSLEY, Addison B.
Clamp Type  
 1912
U 1,013,241 January 2, 1912 Insulator
Clamp type
VAN ETTEN, Frank C.
Clamp Type  
U 1,022,026 April 2, 1912 Insulator
Block in crossarm
GUTHRIE, Joseph A.
Block Guthrie-Mitchell Co.
U 1,027,601 May 28, 1912 Insulator and Support
Clamp type mounted in spike
GRESSETT, Lawrence F.
Clamp Type  
U 1,031,975 July 9, 1912 Mine insulator
Mine insulator
WARREN, Frederic A.
Mine  
U 1,041,937 October 22, 1912 Insulator Bracket
Cylinder split and held in a bracket
WYCHE, Daniel W.
Cylinder  
U 1,047,059 December 10, 1912 Insulator Support for Line Wires
Clamp type
HOYBROOK, Henry L.
Clamp Type  
 1913
U 1,070,151 August 12, 1913 Insulator
Clamp type
MARTIN, William H.
Clamp Type 1/2 to Newman, 1/2 to Knupp
 1914
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells
U 1,102,656 July 7, 1914 Insulator
Insulator with hole in center and method to clamp conductor securely and the metal bracket with two bolts to secure the insulator
HADEN, Robert B.
Insulator  
 1915
U 1,125,742 January 19, 1915 Cable Supporting Insulator
Clamp type
SESSIONS, Edson O.
Clamp Type Electrical Engineers Equipment Co.
 1916
U 1,175,849 March 14, 1916 Insulator Base
miscellaneous circular holder with metal support
WARREN, Frederic A.
Miscellaneous  
U 1,176,629 March 21, 1916 Tree Insulator and Wire Supporter
Tree hanger
WALLACE, William H.
Tree  
 1917
U 1,212,547 January 16, 1917 Automatic Insulator
Clamp type
PARENT, Rufus A.
Clamp Type  
U Specimen known 1,240,330 September 18, 1917 Insulator and Support Therefor
Clamp type
FORT, Louis
Clamp Type  
 1918
U 1,257,983 March 5, 1918 Insulator
Self-tying
DE VAUGHN, Clyde T.
Self-tying Miscellaneous  
 1920
U 1,333,420 March 9, 1920 Insulator Bracket
Bracket that fits around crossarm to support egg-shaped insulators
ILES, Charley S.
Bracket  
 1924
U 1,505,730 August 19, 1924 Insulator and Support Therefor
Wireholder with lag screw and metal bracket
ROCKWELL, Herbert O.
Wireholder Brady Electric & Mfg. Co.
 1925
U 1,538,428 May 19, 1925 Pole Line Insulator
Self-tying odd insulator screwed into cut-out in top of crossarm
EMMONS, Albert F.
Self-tying Miscellaneous  
 1927
U 1,625,645 April 19, 1927 Insulator
Clamp type
FORT, Louis
Clamp Type  
 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 1,750,770 March 18, 1930 Insulator Pin
Steel pin with supporting base that fits over top and edge of wooden crossarm
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
 1931
U Specimen known 1,788,245 January 6, 1931 Insulator Support
Clamp type
MANSON, Ralph H.
Clamp Type Hubbard & Co.
U 1,810,950 June 23, 1931 Insulator
Rubber self-tying insulator
EARHART, Albert C.
Rubber  
 1932
U 1,858,045 May 10, 1932 Wire Support
Wireholder for duplex street lighting conductor running down poles
HENDEE, Lem E.
Wireholder Line Material Co
 1934
U 1,956,526 April 24, 1934 Insulated Support for Electric Cables
Clamp type with wire hanger
ELLMANN, John I.
Clamp Type Ellmann, Inc.
 1935
U 1,992,284 February 26, 1935 Bracket Insulator
Bracket for split insulator wireholder
BANKS, William C.
Wireholder  

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