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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 = '186') ORDER BY date ASC, patent, type

Total of 36 patents found where: Class is '174'; Subclass is '186';

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T / S Patent Date Description Patentee Category Assigned To
 1892
U 466,391 January 5, 1892 Insulator
Cylinder of wood used for trolley wire hanger		 ANDREWS, William S.
 Wood The Edison General Electric Co.
U 470,417 March 8, 1892 Insulator for Trolley Wires
Cylinder of wood used for trolley wire hanger		 ANDREWS, William S.
BALL, Henry Price
 Wood The Edison General Electric Co.
U 482,872 September 20, 1892 Insulator
Strain type		 LEE, Charles T.
 Strain The Johns-Pratt Co.
 1902
U 706,194 August 5, 1902 Insulator
Strain composed of a ball of composition material with metal members embedded in the ball		 MCCARTHY, Louis
 Strain  
 1906
U Specimen known 822,642 June 5, 1906 Wood Strain Insulator
Wood strain insulator with metal caps on the ends		 WHITE, Thomas C.
 Strain  
 1908
U 882,979 March 24, 1908 Strain Insulator
Wood strain insulator with metal caps on each end and special eye to receive a hook		 TERRY, William C.
 Strain The MacAllen Co.
 1909
U 917,785 April 13, 1909 Insulating Support for High Tension Conductors
Suspension support system		 MERSHON, Ralph D.
 Suspension  
 1910
U 947,885 February 1, 1910 Insulator
Suspension insulator and clamp support system		 CONE, William S.
 Suspension  
U 974,672 November 1, 1910 Insulator
Suspension insulator		 JOHNSTON, Robert M.
 Suspension The Ohio Brass Co.
 1911
U 1,010,077 November 28, 1911 Strain Insulator
Wood strain insulator with metal caps and eyelet on one end		 SCHAAKE, William
 Strain Westinghouse Electric & Mfg. Co.
 1912
U 1,015,229 January 16, 1912 Insulator
Suspension using multiple parts cemented together on tubular core. The patent is similar to the commonly referred ""Micarta Core"" insulators, but experts believe the patent was not used for those insulators. The glass insulators may have been made by Hemingray.		 HILLIARD, John D.
PARSONS, Charles E.
 Suspension J. E. Way
 1915
U 1,156,442 October 12, 1915 Insulator
Electrose suspension with U-bolt connectors, arcing hood over the top and arcing ring below the insulator		 STEINBERGER, Louis
 Electrose  
 1917
U 1,239,902 September 11, 1917 Insulator
Radio strain insulator		 GODDARD, Walter T.
 Radio  
 1918
U 1,273,015 July 16, 1918 Electric Insulator
Suspension made of several parts bolted together		 THOMAS, Percy H.
 Suspension  
 1919
U 1,303,324 May 13, 1919 Electric Insulator
Suspension tubular insulator with flanged top metal cap and bottom metal cap		 JACKSON, Ray P.
 Suspension Westinghouse Electric & Mfg. Co.
 1920
U Specimen known 1,329,770 February 3, 1920 Insulator
Suspension type for J-D		 JOHNSTON, Robert M.
 Suspension Jeffery-Dewitt Co.
 1923
U 1,448,604 March 13, 1923 Column Strain Insulator
Electrose strain insulator		 STEINBERGER, Louis
 Strain  
U 1,458,755 June 12, 1923 Insulator
Improved method of connection sections of strain insulators		 GODDARD, Walter T.
 Multipart Locke Insulator Corp.
U 1,468,042 September 18, 1923 Column Strain Insulator
Electrose strain insulator		 STEINBERGER, Louis
 Strain  
U 1,477,800 December 18, 1923 Connecting Joint
Cementing procedure using elastic and sanded cement joint		 AUSTIN, Arthur O.
 Cement The Ohio Brass Co.
 1924
U 1,481,080 January 15, 1924 Insulator
Antenna or guy strain insulator consisting of a bar of porcelain with longitudinal ribs and metal caps on the ends		 AUSTIN, Arthur O.
 Antenna The Ohio Brass Co.
U 1,506,863 September 2, 1924 Suspension Insulator
Suspension with metal cap on top and underneath		 PLIMPTON, Bentley A.
 Suspension  
U 1,516,585 November 25, 1924 Insulator
Cylindrical strain insulator with ribs and metal caps on the ends		 AUSTIN, Arthur O.
 Strain The Ohio Brass Co.
 1925
U 1,521,743 January 6, 1925 Insulator
Suspension arcing horn system and insulator (see 1,552,664 and 1,783,271)		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
 1927
U 1,637,374 August 2, 1927 Insulator
Suspension, tubular with ribs and cap on both ends		 FORTESCUE, Charles Le G.
 Suspension Westinghouse Electric & Mfg. Co.
 1929
U 1,738,188 December 3, 1929 Insulating Support
Suspension cap, pin and connector		 LANYON, Samuel Herbert
 Suspension Lapp Insulator Co.
 1930
U 1,764,434 June 17, 1930 Insulator
Wood strain insulator with coating such as rubber over the metal ends and extending only a short distance to prevent burning the insulator from corona		 COCHRAN, Paul B.
 Strain Westinghouse Electric & Mfg. Co.
U 1,778,152 October 14, 1930 Multiple Skirt Suspension Insulator
Odd two-disk suspension made in one piece with metal caps on each end		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
 1933
U 1,937,964 December 5, 1933 Insulator Support for Tower or Mast Type Antenna
Insulator for supporting radio tower or mast antenna		 JENNER, Ralph L.
 Antenna Lapp Insulator Co., Inc.
 1935
U Specimen known 1,994,281 March 12, 1935 Insulator
Fog type multipart & suspension insulator similar to oil types with inverted mating cup		 LUSIGNAN, JR., Joseph T.
 Fog Type The Ohio Brass Co.
U Specimen known 1,994,282 March 12, 1935 Fog Type Insulator
Fog type suspension similar to oil reservoir types with inverted mating cup		 LUSIGNAN, JR., Joseph T.
 Fog Type The Ohio Brass Co.
U 1,998,549 April 23, 1935 Insulator Construction
Insulator that will withstand high compression and support the weight of a radio antenna		 LAPP, Grover W.
JENNER, Ralph L.
 Antenna Lapp Insulator Co., Inc.
 1936
U 2,056,813 October 6, 1936 Flux Distributing Insulator
Radio antenna strain insulator with metal ribs on the outside to control the electrostatic flux density		 VROOMAN, Edward C.
 Strain Locke Insulator Corp.
 1937
U 2,072,201 March 2, 1937 Insulator and Method of Making It
Suspension, glass, coat crown with graphite prevents cement adhesion		 DIBBLE, Clarence H.
 Suspension Corning Glass Works
 1965
U 3,217,095 November 9, 1965 Cast Aluminum Insulator Cap
Suspension cap made of cast aluminum		 ROSS, Frank S.
VAN TUYL, Thomas Oliver
 Suspension American-International Aluminum Corp.
 1969
U 3,444,314 May 13, 1969 Suspension Insulator Having a Cap With Internal Load Transmitting Surfaces
Suspension metal cap designed with steps to aid in holding cement on insulator		 VAN TUYL, Thomas Oliver
 Suspension  

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