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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'PLIMPTON') AND (first_name = 'Bentley A.') ORDER BY date ASC, patent, type

Total of 15 patents found where: Last Name is 'PLIMPTON'; First Name is 'Bentley A.';

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T / S Patent Date Description Patentee Category Assigned To
 1917
U 1,246,461 November 13, 1917 Strain Insulator
Suspension metal cap design		 PLIMPTON, Bentley A.
 Suspension  
 1918
U 1,266,711 May 21, 1918 Strain Insulator
Suspension metal cap design		 PLIMPTON, Bentley A.
 Suspension  
 1920
U 1,328,687 January 20, 1920 Insulator Support
Thimble of metal for multipart insulator		 PLIMPTON, Bentley A.
 Thimble  
U 1,362,038 December 14, 1920 Support for Electric Conductors
Metal strap type support bracket for a pole top to support an insulator.		 PLIMPTON, Bentley A.
 Bracket  
 1923
U Specimen known 1,478,912 December 25, 1923 Insulator
Multipart with cement around lower edge of shell		 PLIMPTON, Bentley A.
 Multipart 1/2 to The Porcelain Insulator Co.
 1924
U 1,506,863 September 2, 1924 Suspension Insulator
Suspension with metal cap on top and underneath		 PLIMPTON, Bentley A.
 Suspension  
 1928
U 1,696,861 December 25, 1928 Insulator Supporting Pin
Hollow steel pin, cast iron base resting on crossarm, and bolt to attach to crossarm		 PLIMPTON, Bentley A.
 Pin Locke Insulator Corp.
 1929
U 1,714,814 May 28, 1929 Pole Bracket
Steel bracket for pole top that supports insulator pin on side of pole		 PLIMPTON, Bentley A.
 Bracket Locke Insulator Corp.
 1931
U 1,793,191 February 17, 1931 Insulator Pin
Hollow steel pin that can be rotate to align conductor and secured with a keeper pin		 PLIMPTON, Bentley A.
 Pin Locke Insulator Corp.
U 1,832,240 November 17, 1931 Insulator Pin and Method of Making Same
Hollow forged steel pin with base support, bolt, and means to keep out water		 PLIMPTON, Bentley A.
 Pin Locke Insulator Corp.
 1932
U 1,865,134 June 28, 1932 Pole Top Bracket
Pole top bracket that uses the same length steel insulator pin as that used on the wooden crossarm		 PLIMPTON, Bentley A.
 Bracket Locke Insulator Corp.
 1933
U 1,902,310 March 21, 1933 Method of Making Insulator Caps
Method of pressing out a malleable metal cap		 PLIMPTON, Bentley A.
 Manufacturing Locke Insulator Corp.
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm		 PLIMPTON, Bentley A.
HAWLEY, Kent A.
 Pin Locke Insulator Corp.
 1937
U Specimen known 2,084,866 June 22, 1937 High Voltage Insulator
U-796 styles and CD 221 Hi-Top design		 PLIMPTON, Bentley A.
 Insulator Locke Insulator Corp.
U Specimen known 2,088,433 July 27, 1937 Fog and Dust Insulator
U-816 series		 PLIMPTON, Bentley A.
 Insulator Locke Insulator Corp.

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