John F. Schweikert

Follow

Person

Sterling Heights, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
EGR diagnostic system
- Patent number 4,671,107
- Issue date Jun 9, 1987
- General Motors Corporation
- Alan F. Chiesa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Tip-in knock eliminating spark timing control
- Patent number 4,428,343
- Issue date Jan 31, 1984
- General Motors Corporation
- John F. Schweikert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Closed loop air/fuel ratio controller with asymmetrical proportiona...
- Patent number 4,228,775
- Issue date Oct 21, 1980
- General Motors Corporation
- John F. Schweikert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS