Lancaster; David R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lancaster; David R..The latest application filed is for "engine vacuum enhancement in an internal combustion engine".

Company Profile

0.5.3

Lancaster; David R. - Troy MI
Lancaster; David R. - Casper WY

*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 vacuum enhancement in an internal combustion engine Grant 8,103,431 - Lancaster , et al. January 24, 2	2012-01-24
Engine Vacuum Enhancement In An Internal Combustion Engine App 20090187328 - Lancaster; David R. ; et al.	2009-07-23
Automotive accessory drive system and method of operation App 20060276284 - Lancaster; David R. ; et al.	2006-12-07
Method and apparatus for engine torque disturbance reduction during cranking Grant 7,128,035 - Lancaster , et al. October 31, 2	2006-10-31
Method And Apparatus For Engine Torque Disturbance Reduction During Cranking App 20060201468 - Lancaster; David R. ; et al.	2006-09-14
System for supplying power to an electrically heated catalyst Grant 5,321,231 - Schmalzriedt , et al. June 14, 1	1994-06-14
Fire hose gripping device and process for fighting fires in oil refineries and the like Grant 4,856,834 - Lancaster , et al. August 15, 1	1989-08-15
Divided chamber engine with prechamber exhaust recirculation Grant 4,271,810 - Lancaster June 9, 1	1981-06-09

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