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Mark J. Spath
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Spencerport, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inner arm stop for a switchable rocker arm
Patent number
7,882,814
Issue date
Feb 8, 2011
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Switchable valve train member
Patent number
7,757,648
Issue date
Jul 20, 2010
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve lifter assembly for selectively deactivating a cylinder
Patent number
7,673,601
Issue date
Mar 9, 2010
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve-deactivating hydraulic lifter having a contoured pin housing...
Patent number
7,610,887
Issue date
Nov 3, 2009
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hydraulic circuit for switchable cam followers
Patent number
7,455,040
Issue date
Nov 25, 2008
Delphi Technologies, Inc.
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve-deactivating hydraulic lifter having a vented internal lost m...
Patent number
7,409,941
Issue date
Aug 12, 2008
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
7,395,792
Issue date
Jul 8, 2008
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
7,308,879
Issue date
Dec 18, 2007
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
7,296,548
Issue date
Nov 20, 2007
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve lifter assembly for selectively deactivating a cylinder
Patent number
7,263,956
Issue date
Sep 4, 2007
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve-deactivating hydraulic lifter having a vented internal lost m...
Patent number
7,246,585
Issue date
Jul 24, 2007
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic valve lifter assembly
Patent number
7,243,629
Issue date
Jul 17, 2007
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Readily-fillable hydraulic valve lifter assembly
Patent number
7,117,833
Issue date
Oct 10, 2006
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
7,104,232
Issue date
Sep 12, 2006
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Anti-rotation guide for a deactivation hydraulic valve lifter
Patent number
7,007,651
Issue date
Mar 7, 2006
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Anti-rotation deactivation valve lifter
Patent number
6,976,463
Issue date
Dec 20, 2005
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deactivation hydraulic valve lifter having a pressurized oil groove
Patent number
6,920,857
Issue date
Jul 26, 2005
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Anti-rotation guide for a deactivation hydraulic valve lifter
Patent number
6,866,014
Issue date
Mar 15, 2005
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
6,814,040
Issue date
Nov 9, 2004
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Deactivation hydraulic valve lifter having a pressurized oil groove
Patent number
6,802,288
Issue date
Oct 12, 2004
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Refillable metering valve for hydraulic valve lifters
Patent number
6,748,914
Issue date
Jun 15, 2004
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
6,668,776
Issue date
Dec 30, 2003
Delphi Technologies, Inc.
Nick J. Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve-deactivating lifter
Patent number
6,578,535
Issue date
Jun 17, 2003
Delphi Technologies, Inc.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deactivation hydraulic valve lifter
Patent number
6,513,470
Issue date
Feb 4, 2003
Delphi Technologies, Inc.
Nick John Hendriksma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Deactivation roller hydraulic valve lifter
Patent number
6,497,207
Issue date
Dec 24, 2002
Delphi Technologies, Inc.
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Roller finger follower for valve deactivation
Patent number
6,325,030
Issue date
Dec 4, 2001
Delphi Technologies, Inc.
Mark James Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Roller finger follower for valve deactivation
Patent number
6,321,705
Issue date
Nov 27, 2001
Delphi Technologies, Inc.
Hermes A. Fernandez
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic lash adjuster with plunger inner control ring
Patent number
6,039,018
Issue date
Mar 21, 2000
General Motors Corporation
Mark James Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic valve lifter with lash
Patent number
6,021,751
Issue date
Feb 8, 2000
General Motors Corporation
Mark James Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Engine valve lift mechanism
Patent number
5,934,232
Issue date
Aug 10, 1999
General Motors Corporation
Cynthia Ann Greene
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Inner arm stop for a switchable rocker arm
Publication number
20090217895
Publication date
Sep 3, 2009
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve-deactivating hydraulic lifter having a contoured pin housing...
Publication number
20080314343
Publication date
Dec 25, 2008
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Switchable valve train member
Publication number
20080289597
Publication date
Nov 27, 2008
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Hydraulic circuit for switchable cam followers
Publication number
20080083389
Publication date
Apr 10, 2008
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve lifter assembly for selectively deactivating a cylinder
Publication number
20070295293
Publication date
Dec 27, 2007
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20070006838
Publication date
Jan 11, 2007
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20070000463
Publication date
Jan 4, 2007
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20070000464
Publication date
Jan 4, 2007
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve-deactivating hydraulic lifter having a vented internal lost m...
Publication number
20060225683
Publication date
Oct 12, 2006
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve-deactivating hydraulic lifter having a vented internal lost m...
Publication number
20060225684
Publication date
Oct 12, 2006
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Hydraulic valve lifter assembly
Publication number
20060162684
Publication date
Jul 27, 2006
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Readily-fillable hydraulic valve lifter assembly
Publication number
20060090720
Publication date
May 4, 2006
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Anti-rotation guide for a deactivation hydraulic valve lifter
Publication number
20050126520
Publication date
Jun 16, 2005
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Anti-rotation deactivation valve lifter
Publication number
20050103300
Publication date
May 19, 2005
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Anti-rotation deactivation valve lifter
Publication number
20050081811
Publication date
Apr 21, 2005
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation hydraulic valve lifter having a pressurized oil groove
Publication number
20050061275
Publication date
Mar 24, 2005
DELPHI TECHNOLOGIES, INC.
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20050045132
Publication date
Mar 3, 2005
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Anti-rotation guide for a deactivation hydraulic valve lifter
Publication number
20040211375
Publication date
Oct 28, 2004
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20040112315
Publication date
Jun 17, 2004
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation hydraulic valve lifter having a pressurized oil groove
Publication number
20030196620
Publication date
Oct 23, 2003
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20030101953
Publication date
Jun 5, 2003
Nick J. Hendriksma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve lifter assembly for selectively deactivating a cylinder
Publication number
20030075129
Publication date
Apr 24, 2003
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve-deactivating lifter
Publication number
20020195072
Publication date
Dec 26, 2002
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Refillable metering valve for hydraulic valve lifters
Publication number
20020096136
Publication date
Jul 25, 2002
Mark J. Spath
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Deactivation roller hydraulic valve lifter
Publication number
20020046718
Publication date
Apr 25, 2002
Mark J. Spath
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC