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Wan M. Yoo
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Incheon, KR
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last 30 patents
Information
Patent Grant
Stepless automatic variable transmission
Patent number
5,525,116
Issue date
Jun 11, 1996
Hae Sung Engineering Co., Ltd.
Jong O. Ra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stepless automatic variable transmission
Patent number
5,484,349
Issue date
Jan 16, 1996
Hae Sung Engineering Co., Ltd.
Jong O. Ra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stepless automatic variable transmission
Patent number
5,484,344
Issue date
Jan 16, 1996
Hae Sung Engineering Co., Ltd.
Jong O. Ra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stepless automatic variable transmission
Patent number
5,466,196
Issue date
Nov 14, 1995
Hae Sung Engineering Co., Ltd.
Jong O. Ra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stepless automatic variable transmission
Patent number
5,415,597
Issue date
May 16, 1995
Ra; Jong O.
Jong O. Ra
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Continuously-geared automatic transmission with controlling brakes
Patent number
5,364,320
Issue date
Nov 15, 1994
Ra; Jong Oh
Jong O. Ra
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously-geared automatic transmission with controlling brakes
Patent number
5,330,395
Issue date
Jul 19, 1994
Ra; Jong Oh
Jong O. Ra
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Continuously geared automatic transmission with controlling brakes
Patent number
5,322,488
Issue date
Jun 21, 1994
Ra; Jong O.
Jong O. Ra
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...