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GRIGSBY BARTON INC

Overview
  • Total Patents
    19
About

GRIGSBY BARTON INC has a total of 19 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and measurement are GUANGZHOU KINGSER ELECTRONICS CO LTD, CHU JIN XIONG and DONGGUAN GAOTE ELECTRONICS CO LTD.

Patent filings in countries

World map showing GRIGSBY BARTON INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 United Kingdom 3
#3 Germany 2
#4 France 2

Patent filings per year

Chart showing GRIGSBY BARTON INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pascente Joseph E 6
#2 Barton William Forbes 3
#3 Pascente J 2
#4 Forbes Barton William 2
#5 Barton W 1
#6 Reese W 1
#7 C Beck Robert 1

Latest patents

Publication Filing date Title
US3917962A Synchronous switching circuit
US3823328A Liquid level control system and switch assembly therefor
US3812382A Synchronous switching circuit
US3758793A Synchronous switching circuit
GB1345131A Thyristor circuits for applying a voltage to a load
US3697774A Thyristor circuits for applying a voltage to a load
US3668422A Synchronous switching circuit
US3575678A Reed switch assembly
US3569999A A.c. control circuit
US3491284A Zero voltage a.c. switching circuits
US3514751A Lamp outage indicating apparatus
GB1113163A Improvements in or relating to electrical relays
GB1121399A Improvements in or relating to electrical relays
US3303446A Electrical relay having a reed switch
US3265825A Electrical relay