Learn more

HART JAMES M

Overview
  • Total Patents
    35
About

HART JAMES M has a total of 35 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, transport and environmental technology are CAREY CLINTON E, CHEN HEI and HAYES FRANK ANDERSON.

Patent filings in countries

World map showing HART JAMES Ms patent filings in countries
# Country Total Patents
#1 United States 34
#2 Canada 1

Patent filings per year

Chart showing HART JAMES Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hart James M 35
#2 Wittkopp Scott H 24
#3 Phillips Andrew W 18
#4 Carey Clinton E 17
#5 Borgerson James B 8
#6 Grochowski Edwin T 4
#7 Mellet Edward W 4
#8 Raghavan Madhusudan 3
#9 Wooden Elizabeth I 2
#10 Wilton Daryl A 2

Latest patents

Publication Filing date Title
US2014057753A1 Multi-speed transmission
US2013310212A1 Electromechanical clutch and transmission
US2012214637A1 Clutch and gear arrangement for a rear wheel drive vehicle
US2012214638A1 Clutch and gear arrangement for a front wheel drive vehicle
US2012214636A1 Multiple speed transmission having a band brake
US2012178573A1 Hybrid powertrain for a motor vehicle
US2012178572A1 Planetary transmission with launch clutch
US2012175212A1 Launch / disconnect clutch for P2 hybrid powertrain
US2013045829A1 Multi-speed transmission having four planetary gear sets
US2013023376A1 Method for controlling a multi-speed transmission having four planetary gear sets for producing at least nine gear speeds
US2012295754A1 Multi-speed transmission
US8197375B1 Multi-speed transmission
US2012065019A1 Multi-speed transmission having stacked planetary gear sets
US2011034290A1 Multi-speed transmission having three planetary gear sets
US2011034289A1 Multi-speed transmission having three planetary gear sets
US2011034287A1 Multi-speed transmission having three planetary gear sets
US2012010038A1 Multi-speed transmission having stacked planetary gear sets
US2011111915A1 Transmission having at least eight speeds
US2011053725A1 Automatic transmission gear and clutch arrangement
US2010216589A1 Multi-speed transmission