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KER TRAIN SYSTEMS

Overview
  • Total Patents
    16
About

KER TRAIN SYSTEMS has a total of 16 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets mechanical elements and machines are SELF CHANGING GEAR COMPANY LTD, GETRIEBE & MOTOREN G M B H WAA and GKN WALTERSCHEID GETRIEBE GMBH.

Patent filings in countries

World map showing KER TRAIN SYSTEMSs patent filings in countries
# Country Total Patents
#1 Canada 5
#2 United States 3
#3 Australia 2
#4 United Kingdom 2
#5 Germany 1
#6 EPO (European Patent Office) 1
#7 France 1
#8 Japan 1

Patent filings per year

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

Focus industries

# Industry
#1 Mechanical elements
#2 Machines

Top inventors

# Name Total Patents
#1 Kerr John Hugh 6
#2 Kerr John H 5
#3 Jiyon Hiyuu Kaa 1

Latest patents

Publication Filing date Title
CA1115221A Spiral type one-way clutch
US4055091A Variable output transmission
CA1031190A Variable output transmission
GB1488673A Variable output transmission
CA1000526A Variable output transmission
CA1000074A Worm/worm-wheel overrunning clutch
CA990103A Variable output transmission