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BOLTSWITCH INC

Overview
  • Total Patents
    28
About

BOLTSWITCH INC has a total of 28 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy and machines are MEC AS, MASON ELECTRIC CORP and HT MICROANALYTICAL INC.

Patent filings in countries

World map showing BOLTSWITCH INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 12
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing BOLTSWITCH INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Erickson John W 18
#2 Erickson James A 15
#3 Erickson William C 5
#4 Erickson John Walter 3

Latest patents

Publication Filing date Title
US2011147175A1 Terminal reversing block
CA2163300A1 Power equipment securing device
US5486668A Operating mechanism for a manually operated load break switch
US5354960A Linear motor powered shunt trip operator
US5244423A Turn prevention assembly for electrical connection lugs
US5272291A Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly
US5276288A Shunt trip switch operator
US5041808A Double load break switch and circuit
US4536046A Pull out fusible switches
US4363063A Load break switch with built-in ground fault sensing
US4177368A Switch operating rod assembly
US4103133A Dual switch operator using modified geneva movement
US4137433A Bolted pressure switch with side operator mechanism and door assembly interlock
US4020432A Motorized shunt trip switch operator
US4076368A Terminal fastener and instrument tap