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Mark J. Spath — 38 Patents

Delphi Technologies: 27 patents #34 of 4,124Top 1%
General Motors: 9 patents #1,748 of 18,328Top 10%
Eastman Kodak: 2 patents #3,607 of 8,114Top 45%
Hilton, NY: #7 of 239 inventorsTop 3%
New York: #2,859 of 115,490 inventorsTop 3%
Overall (All Time): #84,675 of 4,157,543Top 3%
38 Patents All Time
Mark J. Spath has been granted 38 US patents while listed as an inventor at Delphi Technologies. The first was granted in 1988 and the most recent in February 2011. Mark J. Spath ranks #84,675 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Mark J. Spath in Hilton, NY, US.

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7882814 Inner arm stop for a switchable rocker arm Nick J. Hendriksma, Michael E. McCarroll 2011-02-08
7757648 Switchable valve train member Nick J. Hendriksma 2010-07-20
7673601 Valve lifter assembly for selectively deactivating a cylinder Nick J. Hendriksma, Michael J. Fox 2010-03-09
7610887 Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface — 2009-11-03
7455040 Hydraulic circuit for switchable cam followers Nick J. Hendriksma, Michael J. Dinkel 2008-11-25
7409941 Valve-deactivating hydraulic lifter having a vented internal lost motion spring Michael E. McCarroll 2008-08-12
7395792 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2008-07-08
7308879 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2007-12-18
7296548 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2007-11-20
7263956 Valve lifter assembly for selectively deactivating a cylinder Nick J. Hendriksma, Michael J. Fox 2007-09-04
7246585 Valve-deactivating hydraulic lifter having a vented internal lost motion spring Michael E. McCarroll 2007-07-24
7243629 Hydraulic valve lifter assembly — 2007-07-17
7117833 Readily-fillable hydraulic valve lifter assembly Daniel F. Smith, Thomas H. Lichti 2006-10-10
7104232 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2006-09-12
7007651 Anti-rotation guide for a deactivation hydraulic valve lifter — 2006-03-07
6976463 Anti-rotation deactivation valve lifter Nick J. Hendriksma, David Draeger, William D. Bauman 2005-12-20
6920857 Deactivation hydraulic valve lifter having a pressurized oil groove — 2005-07-26 $2,191,000
6866014 Anti-rotation guide for a deactivation hydraulic valve lifter — 2005-03-15 $2,530,000
6814040 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2004-11-09 $2,931,000
6802288 Deactivation hydraulic valve lifter having a pressurized oil groove — 2004-10-12 $956,000
6748914 Refillable metering valve for hydraulic valve lifters Carl R. Kangas 2004-06-15 $1,080,000
6668776 Deactivation roller hydraulic valve lifter Nick J. Hendriksma 2003-12-30 $1,675,000
6578535 Valve-deactivating lifter Albert C. Stone, Carl R. Kangas 2003-06-17 $2,914,000
6513470 Deactivation hydraulic valve lifter Nick J. Hendriksma 2003-02-04 $4,280,000
6497207 Deactivation roller hydraulic valve lifter Albert C. Stone, Carl R. Kangas, David McCarthy 2002-12-24 $1,614,000

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