Learn more

AUTO TRANSMISSIONS LTD

Overview
  • Total Patents
    92
About

AUTO TRANSMISSIONS LTD has a total of 92 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets mechanical elements, transport and machines are PHILLIPS ANDREW W, TOROTRAK DIVELOPMENT LTD and DANA LTD.

Patent filings in countries

World map showing AUTO TRANSMISSIONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 29
#2 France 20
#3 Canada 16
#4 United States 12
#5 Germany 7
#6 Spain 6
#7 Switzerland 1
#8 Sweden 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lamburn Alan Salisbury 11
#2 Lamburn Alan S 10
#3 Ashby Sydney Henry 9
#4 Abbott Randle Leslie 9
#5 Normanville Edgar Joseph De 5
#6 Leslie Abbott Randle 5
#7 Abbott Randle L 5
#8 Salisbury Lamburn Alan 5
#9 Whateley Eric Albert 4
#10 Albert Whateley Eric 2

Latest patents

Publication Filing date Title
GB0201884D0 Improvements in and relating to epicyclic gearboxes
US3540558A Fluid control circuit
ES346915A1 An epicielic gear of speed change. (Machine-translation by Google Translate, not legally binding)
ES341818A1 Control device for a gearbox for auxiliary speed change. (Machine-translation by Google Translate, not legally binding)
US3426623A Change-speed epicyclic gearing and associated control means
GB1206933A Improvements in or relating to an epicyclic change-speed gearing and controls therefor
GB1172983A Improvements in or relating to the control of an auxiliary change-speed gearing.
GB1172982A Improvements in or relating to a Change-Speed Gearing and to Associated Control Means.
GB1172984A Improvements in or relating to a Change-Speed Gearing and to Associated Control Means
GB1156317A Improvements in or relating to an Epicyclic Change-Speed Gearing
GB1132354A Power transmission system
GB1146685A Improvements in or relating to the control of change-speed gearings
GB1102591A Power transmission system for a gas turbine engine
GB1110871A Improvements in or relating to a control means for a change speed gearing
GB984033A Planetary gearings
ES281747A1 Improvements in transmission systems (Machine-translation by Google Translate, not legally binding)
ES280648A3 Perfected epicicloidal mechanism for the transmission of force (Machine-translation by Google Translate, not legally binding)
ES280605A3 A new continuous and directed sprayer spray system (Machine-translation by Google Translate, not legally binding)
ES280592A3 Improvement in epicicloidal gears (Machine-translation by Google Translate, not legally binding)
US3146637A Control means for epicyclic power transmission mechanisms