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John D Engfehr

from Wyandotte, MI
Age ~71
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Also known as:
John David Engfehr
Phone and address:
1570 Superior Blvd, Brownstown Township, MI 48192
(734) 284-2956
Related to:
Elaine L EngfehrJill Ann Bacon, 76Mark Killingback, 26Daniel A Killingback, 54
Connected to:
Michael J Engfer, 51Rebecca Engfer, 32Tina M Engfer, 53Catherine Enggass, 101Desiani P Enggina, 38Arthur L Engh, 82Cameron H Engh, 46Christopher Engh, 40Daretta J Engh, 68Sue E Engh, 63

John Engfehr Phones & Addresses

  • 1570 Superior Blvd, Wyandotte, MI 48192 (734) 284-2956

Publications

Us Patents

System And Method For Evaluating Automotive Vehicle Oil Deterioration

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US Patent:
6580366, Jun 17, 2003
Filed:
Oct 13, 2000
Appl. No.:
09/687515
Inventors:
John D. Engfehr - Wyandotte MI
Assignee:
Ford Global Technologies, LLC - Dearborn MI
International Classification:
B60Q 100
US Classification:
3404574, 731173, 340438, 3404503, 701 30
Abstract:
A method and system is provided for evaluating the chemical deterioration of automotive engine oil over time. A change in oil quantity is detected and measured by an oil quantity sensor. Based on the change in quantity of oil, the level of chemical deterioration of the oil is inferred.
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John D Engfehr from Wyandotte, MI, age ~71 Get Report