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GRIGSBY ALLISON COMPANY INC

Overview
  • Total Patents
    16
About

GRIGSBY ALLISON COMPANY INC has a total of 16 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and basic communication technologies are OLVIS NV, FIRST IND CORP and BK PATENT DEV.

Patent filings in countries

World map showing GRIGSBY ALLISON COMPANY INCs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 7
#3 Canada 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Allison Kenneth C 8
#2 Herrick Edward P 1
#3 Allison Kenneth Clark 1

Latest patents

Publication Filing date Title
GB827597A Tuning apparatus
US2755347A Electric switch construction
US2650959A Electric switch
US2650960A Rotary electric switch assembly
GB670850A Multiple section electric switch assemblies
GB704951A Rotary electrical switches
US2781144A Riveting apparatus
US2691702A Push-button electric switch
GB651198A Improvements in or relating to cottering and like securing devices
US2474999A Electric switch assembly
GB634171A Improvements in rotary electric switches
US2594840A Riveted joint
CA456906A Securing device