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KER TRAIN HOLDINGS LTD

Overview
  • Total Patents
    48
  • GoodIP Patent Rank
    140,411
  • Filing trend
    ⇩ 100.0%
About

KER TRAIN HOLDINGS LTD has a total of 48 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are FRITZ KREIS, LIU JEN-CHIH and GIBBS BLACKSTOCK.

Patent filings per year

Chart showing KER TRAIN HOLDINGS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kerr John Hugh 47
#2 Kerr John H 1

Latest patents

Publication Filing date Title
CN108473158A Caterpillar regenerates steering differential
CN112253648A One-to-one torque coupling
WO2009137933A1 Concentric v-groove coupling
US6691847B2 Power transfer device
WO0023729A2 All gear infinitely variable transmission
US6849023B1 All gear infinitely variable transmission
EP1367295A1 All gear infinitely variable transmission
EP1133640A1 Rotary pump
US6409001B1 Full-complement multi-directional coupling
US6446776B1 Spiral-type coupling
CA2584445A1 Coplanar reverted gear train loop
EP1027547A2 Planetary transmission
CA2209636A1 Automotive accessory drive pulleys incorporating spiral type one-way clutch
US6129189A Spiral type one-way clutch
CA2139788A1 Automotive accessory drive pulleys incorporating spiral type one-way clutch