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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 = '313') AND (category.subclass = '326') ORDER BY category DESC, date, patent, type

Total of 19 patents found where: Class is '313'; Subclass is '326';

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T / S Patent Date Description Patentee Category Assigned To
 Suspension
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat		 DUNCAN, John D. E.
 Suspension  
U Specimen known 966,584 August 9, 1910 Protecting Apparatus for Insulators
Suspension protected by arcing ring		 NICHOLSON, Lloyd C.
 Suspension  
U 1,198,137 September 12, 1916 Insulator
Suspension insulator with an outer covering of spun steel or iron.		 LINCOLN, Paul M.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,215,549 February 13, 1917 Electric Conductor Insulating Support
Suspension with method of balancing the electrical load across the string		 KOONTZ, JR., John A.
 Suspension 1/2 to Beardsley/1/4 to Shoemaker
U 1,250,387 December 18, 1917 Electric Insulator
Suspension made of several parts bolted together		 THOMAS, Percy H.
 Suspension  
U 1,273,015 July 16, 1918 Electric Insulator
Suspension made of several parts bolted together		 THOMAS, Percy H.
 Suspension  
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.
U Specimen known 1,552,664 September 8, 1925 Insulator
Suspension arcing horn insulator (see 1,521,743 and 1,783,271)		 AUSTIN, Arthur O.
 Suspension The Ohio Brass Co.
U 1,730,170 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over		 SMITH, Harold B.
 Suspension Westinghouse Electric & Mfg. Co.
U 1,730,171 October 1, 1929 Insulator
Design with metal pin and metal projections to prevent arc-over		 SMITH, Harold B.
 Suspension Westinghouse Electric & Mfg. Co.
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.
U 1,947,321 February 13, 1934 Arcing Horn for Insulators
Arcing horns for Hewlett or other suspension insulator string		 VINCENT, Harold Blanchard
SLEEMAN, Harold Parker
 Suspension The R. Thomas & Sons Co.
 Spark Gap
U 2,392,342 January 8, 1946 Combined Spark Gap and Insulator
CD 186, CD 186.1, CD 186.2; Transparent glass insulator with spark gap within the insulator for signal circuits		 STEINMAYER, Alwin G.
 Spark Gap Line Material Co.
 Lightning Rod Point
U 883,303 March 31, 1908 Security Lightning Arrester
Lightning rod with multiple separate points arranged along the conductor on the edges of the roof		 DRAKE, William E.
 Lightning Rod Point  
 Lightning Arrester/M-3021
U 1,264,396 April 30, 1918 Lightning Arrester
Lightning arrester attached to M-3021		 HAYS, Frederick W.
 Lightning Arrester/M-3021  
 Electrose
U 1,403,717 January 17, 1922 Insulator
Strain or suspension in compression		 STEINBERGER, Louis
 Electrose  
 Arcing Ring
U 1,799,977 April 7, 1931 Distributor Ring
Arcing ring or electrostatic field control structure for suspension string		 FORTESCUE, Charles Le G.
 Arcing Ring Westinghouse Electric & Mfg. Co.
U 2,022,863 December 3, 1935 Arcing Guard
Metal arcing guard for suspension string		 LUSIGNAN, JR., Joseph T.
 Arcing Ring The Ohio Brass Co.
 Arc Gap
U 2,011,136 August 13, 1935 Protective Apparatus
Arcing gap using flux control insulators		 AUSTIN, Arthur O.
 Arc Gap The Ohio Brass Co.

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