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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 = '144') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '174'; Subclass is '144';

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T / S Patent Date Description Patentee Category Assigned To
 1928
U 1,695,892 December 18, 1928 Transmission Line Device
Arcing ring or electrostatic field control structure for suspension string		 FORTESCUE, Charles Le G.
 Arcing Ring Westinghouse Electric & Mfg. Co.
 1931
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.
 1934
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.

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