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BK PATENT DEV

Overview
  • Total Patents
    43
About

BK PATENT DEV has a total of 43 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, France and Germany. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are BESWICK KENNETH E LTD, OLVIS NV and HUIHU LIANG.

Patent filings in countries

World map showing BK PATENT DEVs patent filings in countries
# Country Total Patents
#1 United States 15
#2 France 7
#3 Germany 6
#4 United Kingdom 6
#5 Canada 3
#6 Japan 3
#7 Italy 2
#8 India 1

Patent filings per year

Chart showing BK PATENT DEVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Burch Lyndon W 13
#2 Burch Lyndon Walkup 10
#3 Burch Hadley K 8
#4 Schwab Pierre P 6
#5 Burch Hadley Keys 4
#6 Rindon Daburiyuu Baachi 1
#7 Rindon Uorukatsupu Baachi 1
#8 Hadorii Kiizu Baachi 1
#9 Rindon Warukatsupu Baachi 1

Latest patents

Publication Filing date Title
US4796355A Snap action devices and methods and apparatus for making same
US4788388A Snap acting switches
FR2585505A1 Elastic trigger switch
US4541032A Modular electrical shunts for integrated circuit applications
US4470652A Modular electrical shunts for integrated circuit applications
US4427851A Ganged electrical switches for integrated circuit applications
US4470651A Modular electrical shunts for integrated circuit applications
US4466048A Electrical shunts for integrated circuit applications
US4424506A Snap-acting mechanisms
US4356361A Modular electrical shunts and switches for integrated circuit applications
US4325046A Circuit breaker
US4268813A Resettable thermal cut-off switch
US4090166A Switch structure and calibration technique
US4032876A Ambient-compensated circuit breaker
US4032734A Snap-ating mechanisms
CA1019791A Thermostatic circuit breaker
US3913049A Thermostatic circuit breaker