Learn more

NORMANVILLE TRANSMISSIONS LTD

Overview
  • Total Patents
    13
About

NORMANVILLE TRANSMISSIONS LTD has a total of 13 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Canada, France and United States. Its main competitors in its focus markets mechanical elements are NIPPON MINI MOTOR KK, NISHIKAWA SHOJI KK and YANCHENG JINZHOU MACHINERY MANUFACTURE CO LTD.

Patent filings in countries

World map showing NORMANVILLE TRANSMISSIONS LTDs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 France 4
#3 United States 3
#4 Germany 2

Patent filings per year

Chart showing NORMANVILLE TRANSMISSIONS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Gearing

Top inventors

# Name Total Patents
#1 Normanville Edgar Joseph De 7
#2 De Normanville Edgar Joseph 3
#3 Normanville Edgar-Joseph De 1

Latest patents

Publication Filing date Title
US2097021A Variable speed epicyclic gearing
US2012377A Power transmitting mechanism
DE620036C Cam-controlled valve for the pressure medium, which is used for switching speed change gears by means of hydraulically moved pistons
US1974329A Hydraulically operated controlling device applicable to variable velocity ratio gearing
DE596631C Epicyclic gearbox
CA381207A Variable speed epicyclic gearing
CA357096A Clutch control mechanism
CA369847A Variable speed epicyclic gearing
CA352063A Power transmitting mechanism