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Yves Jean Kemper
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Birmingham, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spring assisted electronically actuated and controlled starting clu...
Patent number
5,893,444
Issue date
Apr 13, 1999
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Controlled force actuator system
Patent number
5,887,691
Issue date
Mar 30, 1999
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Traction drive transmission system
Patent number
4,957,474
Issue date
Sep 18, 1990
Tractiontec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Traction drive transmission system
Patent number
4,856,371
Issue date
Aug 15, 1989
Tractiontec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Speed ratio adjusting system for nutational traction drive transmis...
Patent number
4,745,821
Issue date
May 24, 1988
Bloomfield Research Limited Partnership
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Radially oriented nutational traction drive transmission with large...
Patent number
4,694,701
Issue date
Sep 22, 1987
Tractiontec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Radially oriented nutational traction drive transmission
Patent number
4,630,494
Issue date
Dec 23, 1986
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Nutating traction drive transmission
Patent number
4,572,015
Issue date
Feb 25, 1986
Caterpillar Tractor Co.
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously variable transmission unit
Patent number
4,522,079
Issue date
Jun 11, 1985
Caterpillar Tractor Co.
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Power drive line having a wide range of speed ratios
Patent number
4,495,829
Issue date
Jan 29, 1985
Ipanema Company
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Torque transmitting body for traction drive transmissions and norma...
Patent number
4,454,782
Issue date
Jun 19, 1984
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hybrid power system and method for operating same
Patent number
4,393,964
Issue date
Jul 19, 1983
Ipanema Company
Yves J. Kemper
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Traction surface cooling method and apparatus
Patent number
4,369,667
Issue date
Jan 25, 1983
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Differential transmission drive unit
Patent number
4,296,647
Issue date
Oct 27, 1981
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hybrid vehicular power system and method
Patent number
4,282,947
Issue date
Aug 11, 1981
Vadetec Corporation
Yves J. Kemper
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Torque transmitting body for traction drive transmissions and norma...
Patent number
4,277,982
Issue date
Jul 14, 1981
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Counterbalancing system for nutational traction drive transmissions
Patent number
4,258,581
Issue date
Mar 31, 1981
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Infinitely variable power transmission and system
Patent number
4,238,976
Issue date
Dec 16, 1980
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Traction surface cooling system for torque transmissions
Patent number
4,235,127
Issue date
Nov 25, 1980
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Infinitely variable transmission unit and method
Patent number
4,233,851
Issue date
Nov 18, 1980
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Infinitely variable transmission unit and system incorporating same
Patent number
4,233,859
Issue date
Nov 18, 1980
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable speed transmission device
Patent number
4,178,812
Issue date
Dec 18, 1979
Vadetec Corporation
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Power transmitting mechanism
Patent number
4,152,945
Issue date
May 8, 1979
Vadetec Corporation
Yves J. Kemper
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Piston type energy conversion machine
Patent number
4,152,944
Issue date
May 8, 1979
Vadetec Corporation
Yves J. Kemper
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable stroke piston type engine
Patent number
4,144,771
Issue date
Mar 20, 1979
Vadetec Corporation
Yves J. Kemper
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable stroke expansible energy conversion machine having static...
Patent number
4,117,736
Issue date
Oct 3, 1978
Vadetec Corporation
Yves Jean Kemper
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable speed transmission device
Patent number
4,112,780
Issue date
Sep 12, 1978
Vadetec Corporation
Yves Jean Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable speed transmission device
Patent number
4,112,779
Issue date
Sep 12, 1978
Vadetec Corporation
Yves Jean Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable displacement piston engine
Patent number
4,100,815
Issue date
Jul 18, 1978
Vadetec Corporation
Yves Jean Kemper
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Piston stroke varying mechanism for expansible chamber energy conve...
Patent number
4,094,202
Issue date
Jun 13, 1978
Vadetec Corporation
Yves Jean Kemper
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Coaxial friction clutch actuator system
Publication number
20070163856
Publication date
Jul 19, 2007
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Ramp actuator
Publication number
20050205376
Publication date
Sep 22, 2005
Yves J. Kemper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...