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GREY JOHN CONSTANTINE

Overview
  • Total Patents
    11
About

GREY JOHN CONSTANTINE has a total of 11 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United Kingdom, Germany and Italy. Its main competitors in its focus markets mechanical elements are SUNSTAR SINGAPORE PTE LTD, HOFER PDC GMBH and SULZER EUROFLAMM GERMANY GMBH.

Patent filings in countries

World map showing GREY JOHN CONSTANTINEs patent filings in countries

Patent filings per year

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

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

Top inventors

# Name Total Patents
#1 Grey John Constantine 9

Latest patents

Publication Filing date Title
GB9614850D0 Improvements relating to membrane type flexible couplings
WO9532369A1 Torque-transmitting devices
GB9316181D0 A fail safe flexible coupling having a membrane with a large spoke lenght
GB9304375D0 Overload torque limiter
GB9224177D0 Disengaging torque overload modules
GB8901220D0 Torque overload release coupling
GB2098677A Thrust producing device for overload release clutch
DE2459947A1 Wedge action mechanism for transmitting movement - has rolling element between driving and driven members
GB1153864A Improvements in Flexible Couplings