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GREY JOHN C

Overview
  • Total Patents
    11
About

GREY JOHN C has a total of 11 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets mechanical elements and machines are ABEX PAGID REIBBELAEGE, AMERICAN FLEXIBLE COUPLING COM and WARNER ELECTRIC TECHNOLOGY INC.

Patent filings in countries

World map showing GREY JOHN Cs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 2

Patent filings per year

Chart showing GREY JOHN Cs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Grey John C 2

Latest patents

Publication Filing date Title
GB9808737D0 Improvements relating to frictional expanding rings
GB9724250D0 Improvements relating to drive shafts carrying a guided sliding sleeve
GB9601188D0 Improvements relating To Membrane Type Flexible Couplings
GB9311791D0 Improvements relating to membrane type flexible couplings
GB9101434D0 Improvements in or relating to disengaging torque overload limiters
GB9025289D0 Self resetting torque overload limiter
GB9014539D0 Improvements in or relating to torque transmitting expanding bushes
GB9012863D0 Improvements in or relating to torque transmitting expanding bushes
GB8920077D0 Improvements in or relating to pneumatic torque transmitting devices
US4273227A Torque-transmitting devices
US4199964A Thrust transmission or thrust producing device