having air-tight casings

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Patents Grantslast 30 patents

Information Patent Grant
Distributor for an internal combustion engine
- Patent number 5,057,652
- Issue date Oct 15, 1991
- Hitachi, Ltd.
- Ryoichi Koshida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Distributor for internal combustion engine
- Patent number 4,960,099
- Issue date Oct 2, 1990
- Hitachi, Ltd.
- Junichi Shimada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Connector for automotive ignition devices
- Patent number 4,437,719
- Issue date Mar 20, 1984
- Nippondenso Company Limited
- Yoshimi Miyamoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
3660626
- Patent number 3,660,626
- Issue date May 2, 1972
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
3441690
- Patent number 3,441,690
- Issue date Apr 29, 1969
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
2987588
- Patent number 2,987,588
- Issue date Jun 6, 1961
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
1935465
- Patent number 1,935,465
- Issue date Nov 14, 1933
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS