DARROW; JON C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DARROW; JON C..The latest application filed is for "engine crank signal correction method and controller".

Company Profile

0.6.4

DARROW; JON C. - BRIGHTON MI
Darrow; Jon C. - Howell MI
Darrow; Jon C. - New Hudson MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Engine Crank Signal Correction Method And Controller App 20130275022 - FAYYAD; SALEM AHMAD ; et al.	2013-10-17
Detection of valve deactivation failure by monitoring exhaust temperature Grant 7,571,047 - Pfeiffer , et al. August 4, 2	2009-08-04
Method For Diagnosing The Operational State Of A Variable Valve Actuation (vva) Device Using A Knock Signal App 20090048729 - Waters; James P. ; et al.	2009-02-19
Detection of valve deactivation failure by monitoring exhaust temperature App 20090037042 - Pfeiffer; Jeffrey M. ; et al.	2009-02-05
Supplemental internal air cooling of an internal combustion engine Grant 7,325,534 - Waters , et al. February 5, 2	2008-02-05
System for verifying cylinder deactivation status in a multi-cylinder engine Grant 7,314,034 - Waters , et al. January 1, 2	2008-01-01
Method for effectively diagnosing the operational state of a variable valve lift device Grant 7,063,057 - Waters , et al. June 20, 2	2006-06-20
Method and apparatus for monitoring a multiple step valve lifter Grant 7,047,957 - Smith , et al. May 23, 2	2006-05-23
Method for diagnosing the operational state of a two-step variable valve lift device Grant 7,047,924 - Waters , et al. May 23, 2	2006-05-23

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