Calvin V. Kern

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Maumee, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic trim tile system for outboard propulsion units using a pr...
- Patent number 4,457,725
- Issue date Jul 3, 1984
- Calvin V. Kern
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Starter drive assembly
- Patent number 4,369,666
- Issue date Jan 25, 1983
- Eltra Corporation
- Calvin V. Kern
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Anti-supercharge pressure valve
- Patent number 4,343,153
- Issue date Aug 10, 1982
- Eltra Corporation
- Calvin V. Kern
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Position-retentive valve seat for hydraulic cylinder
- Patent number 4,325,700
- Issue date Apr 20, 1982
- Eltra Corporation
- Calvin V. Kern
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Starter assembly utilizing a castellated cup
- Patent number 4,255,982
- Issue date Mar 17, 1981
- Eltra Corporation
- Calvin V. Kern
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS