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TOM EDGERTON CLARKE HIRST

Overview
  • Total Patents
    41
About

TOM EDGERTON CLARKE HIRST has a total of 41 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom. Its main competitors in its focus markets mechanical elements, transport and machine tools are TAYLOR GORDON JOSEPH, FED MOGUL PRODUCTS INC and ETABLISSEMENTS MALICET ET BLIN.

Patent filings in countries

World map showing TOM EDGERTON CLARKE HIRSTs patent filings in countries
# Country Total Patents
#1 United Kingdom 41

Patent filings per year

Chart showing TOM EDGERTON CLARKE HIRSTs patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
GB1019534A Power transmission universal joint
GB1007394A Cutting tools
GB1027255A Power transmission constant velocity universal joint
GB1021305A Multi ratio and reverse change speed gear unit
GB1007474A Sealing means for pistons, rotating housings and shafts for hydraulic and pneumatic use
GB987803A Ball joint
GB987317A Sealing means for ball joints
GB961782A Machine tool holder
GB944258A Improvements in cutting tools
GB921908A Mechanical linkage joint
GB919361A Power transmission flexible coupling
GB887091A Power transmission constant velocity joint
GB871051A Rubber suspension for automobiles
GB871353A Power transmission positive drive belt mechanism
GB841793A Power transmission flexible joint coupling
GB839155A Tubular shaft device
GB839226A Rubber spring suspensions for the road wheels of automobiles
GB831753A Tool holder
GB840228A Improvements in or relating to railway vehicles
GB828470A Air spring