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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 = '140S') ORDER BY date ASC, patent, type

Total of 22 patents found where: Class is '174'; Subclass is '140S';

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T / S Patent Date Description Patentee Category Assigned To
 1908
U 887,336 May 12, 1908 Electric Insulator
Radio antenna strain insulator made weatherproof with a metal cover.		 MIETH, Herman
 Radio Antenna  
 1912
U 1,015,224 January 16, 1912 Insulator
Suspension insulator of insulating rope, hoods, and arcing rods. [This looks very close to the handful of glass suspension insulators found in 2002 in northern CA by Paul Greaves and Mike Spadafora. The glass was most probably made by Hemingray. No markings were found.]		 ALSBERG, Julius
 Suspension  
 1917
U Specimen known 1,233,296 July 17, 1917 High Tension Insulator
Suspension disk with petticoats and metal cap with projecting flange		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
U 1,250,387 December 18, 1917 Electric Insulator
Suspension made of several parts bolted together		 THOMAS, Percy H.
 Suspension  
 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 1,348,248 August 3, 1920 Disk Suspension Insulator
Suspension, Electrose similar to Hewlett		 STEINBERGER, Louis
 Suspension  
U 1,362,388 December 14, 1920 High Tension Insulator
Suspension or strain of resin rod covered with ceramic to keep rod dry		 BLACKWELL, Francis O.
BUCK, Harold W.
 Suspension General Electric Co.
 1922
U 1,403,717 January 17, 1922 Insulator
Strain or suspension in compression		 STEINBERGER, Louis
 Electrose  
 1923
U 1,448,604 March 13, 1923 Column Strain Insulator
Electrose strain insulator		 STEINBERGER, Louis
 Strain  
U 1,451,968 April 17, 1923 Insulator
Electrose strain insulator		 STEINBERGER, Louis
 Strain  
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps		 GODDARD, Walter T.
 Strain Locke Insulator Corp.
 1924
U 1,497,319 June 10, 1924 Insulator
Improved construction of a high tension strain insulator for long spans		 AUSTIN, Arthur O.
 Strain The Ohio Brass Co.
U 1,498,622 June 24, 1924 Strain Insulator
Strain insulator for high tension lines that is strong and lightweight		 GODDARD, Walter T.
 Strain Locke Insulator Corp.
U 1,501,732 July 15, 1924 Column Strain Insulator
Electrose strain insulator		 STEINBERGER, Louis
 Strain  
U 1,520,984 December 30, 1924 Electric Insulator
Suspension insulator composed of several parts to withstand tension		 THOMAS, Percy H.
 Suspension Westinghouse Electric & Mfg. Co.
 1929
U 1,730,180 October 1, 1929 Insulator
Suspension insulator made of cylindrical insulator and metal hoods on each end		 WAHLBERG, Nils A.
 Suspension Westinghouse Electric & Mfg. Co.
 1932
U 1,848,622 March 8, 1932 Insulator
Suspension rod with metallic shields to keep upper and lower parts dry to prevent electrical leakage		 GOUVERNEUR, Minor F. H.
 Suspension Locke Insulator Corp.
 1935
U 2,023,808 December 10, 1935 Shielded Cemented Type Insulator
Suspension cementing procedure using metal cap (disc, J-D type & bus)		 HAWLEY, Kent A.
 Suspension Locke Insulator Corp.
 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.
 1943
U 2,336,324 December 7, 1943 Strain Insulator
A rod of wood as a guy strain insulator for transmission poles		 WARREN, Pickett L.
 Strain Royal Electric Mfg. Co.
 1985
U 4,524,404 June 18, 1985 High Voltage Insulator Assemblage Having Specially Chosen Series Resistance
Suspension insulator that eliminates flashover due to dirty insulators		 VERMA, Mandranjan
 Suspension  

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