Spath; Mark J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spath; Mark J..The latest application filed is for "inner arm stop for a switchable rocker arm".
Company Profile
0.27.25
- Spath; Mark J. - Spencerport NY
Patent Activity
| Patent | Date |
|---|---|
| Inner arm stop for a switchable rocker arm Grant 7,882,814 - Spath , et al. February 8, 2 | 2011-02-08 |
| Switchable valve train member Grant 7,757,648 - Hendriksma , et al. July 20, 2 | 2010-07-20 |
| Valve lifter assembly for selectively deactivating a cylinder Grant 7,673,601 - Spath , et al. March 9, 2 | 2010-03-09 |
| Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface Grant 7,610,887 - Spath November 3, 2 | 2009-11-03 |
| Inner arm stop for a switchable rocker arm App 20090217895 - Spath; Mark J. ; et al. | 2009-09-03 |
| Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface App 20080314343 - Spath; Mark J. | 2008-12-25 |
| Switchable valve train member App 20080289597 - Hendriksma; Nick J. ; et al. | 2008-11-27 |
| Hydraulic circuit for switchable cam followers Grant 7,455,040 - Hendriksma , et al. November 25, 2 | 2008-11-25 |
| Valve-deactivating hydraulic lifter having a vented internal lost motion spring Grant 7,409,941 - Spath , et al. August 12, 2 | 2008-08-12 |
| Deactivation roller hydraulic valve lifter Grant 7,395,792 - Hendriksma , et al. July 8, 2 | 2008-07-08 |
| Hydraulic circuit for switchable cam followers App 20080083389 - Hendriksma; Nick J. ; et al. | 2008-04-10 |
| Valve lifter assembly for selectively deactivating a cylinder App 20070295293 - Spath; Mark J. ; et al. | 2007-12-27 |
| Deactivation roller hydraulic valve lifter Grant 7,308,879 - Hendriksma , et al. December 18, 2 | 2007-12-18 |
| Deactivation roller hydraulic valve lifter Grant 7,296,548 - Hendriksma , et al. November 20, 2 | 2007-11-20 |
| Valve lifter assembly for selectively deactivating a cylinder Grant 7,263,956 - Spath , et al. September 4, 2 | 2007-09-04 |
| Valve-deactivating hydraulic lifter having a vented internal lost motion spring Grant 7,246,585 - Spath , et al. July 24, 2 | 2007-07-24 |
| Hydraulic valve lifter assembly Grant 7,243,629 - Spath July 17, 2 | 2007-07-17 |
| Deactivation roller hydraulic valve lifter App 20070006838 - Hendriksma; Nick J. ; et al. | 2007-01-11 |
| Deactivation roller hydraulic valve lifter App 20070000464 - Hendriksma; Nick J. ; et al. | 2007-01-04 |
| Deactivation roller hydraulic valve lifter App 20070000463 - Hendriksma; Nick J. ; et al. | 2007-01-04 |
| Valve-deactivating hydraulic lifter having a vented internal lost motion spring App 20060225684 - Spath; Mark J. ; et al. | 2006-10-12 |
| Valve-deactivating hydraulic lifter having a vented internal lost motion spring App 20060225683 - Spath; Mark J. ; et al. | 2006-10-12 |
| Readily-fillable hydraulic valve lifter assembly Grant 7,117,833 - Spath , et al. October 10, 2 | 2006-10-10 |
| Deactivation roller hydraulic valve lifter Grant 7,104,232 - Hendriksma , et al. September 12, 2 | 2006-09-12 |
| Hydraulic valve lifter assembly App 20060162684 - Spath; Mark J. | 2006-07-27 |
| Readily-fillable hydraulic valve lifter assembly App 20060090720 - Spath; Mark J. ; et al. | 2006-05-04 |
| Anti-rotation guide for a deactivation hydraulic valve lifter Grant 7,007,651 - Spath March 7, 2 | 2006-03-07 |
| Anti-rotation deactivation valve lifter Grant 6,976,463 - Spath , et al. December 20, 2 | 2005-12-20 |
| Deactivation hydraulic valve lifter having a pressurized oil groove Grant 6,920,857 - Spath July 26, 2 | 2005-07-26 |
| Anti-rotation guide for a deactivation hydraulic valve lifter App 20050126520 - Spath, Mark J. | 2005-06-16 |
| Anti-rotation deactivation valve lifter App 20050103300 - Spath, Mark J. ; et al. | 2005-05-19 |
| Anti-rotation deactivation valve lifter App 20050081811 - Spath, Mark J. ; et al. | 2005-04-21 |
| Deactivation hydraulic valve lifter having a pressurized oil groove App 20050061275 - Spath, Mark J. | 2005-03-24 |
| Anti-rotation guide for a deactivation hydraulic valve lifter Grant 6,866,014 - Spath March 15, 2 | 2005-03-15 |
| Deactivation roller hydraulic valve lifter App 20050045132 - Hendriksma, Nick J. ; et al. | 2005-03-03 |
| Deactivation roller hydraulic valve lifter Grant 6,814,040 - Hendriksma , et al. November 9, 2 | 2004-11-09 |
| Anti-rotation guide for a deactivation hydraulic valve lifter App 20040211375 - Spath, Mark J. | 2004-10-28 |
| Deactivation hydraulic valve lifter having a pressurized oil groove Grant 6,802,288 - Spath October 12, 2 | 2004-10-12 |
| Deactivation roller hydraulic valve lifter App 20040112315 - Hendriksma, Nick J. ; et al. | 2004-06-17 |
| Refillable metering valve for hydraulic valve lifters Grant 6,748,914 - Spath , et al. June 15, 2 | 2004-06-15 |
| Deactivation roller hydraulic valve lifter Grant 6,668,776 - Hendriksma , et al. December 30, 2 | 2003-12-30 |
| Deactivation hydraulic valve lifter having a pressurized oil groove App 20030196620 - Spath, Mark J. | 2003-10-23 |
| Valve-deactivating lifter Grant 6,578,535 - Spath , et al. June 17, 2 | 2003-06-17 |
| Deactivation roller hydraulic valve lifter App 20030101953 - Hendriksma, Nick J. ; et al. | 2003-06-05 |
| Valve lifter assembly for selectively deactivating a cylinder App 20030075129 - Spath, Mark J. ; et al. | 2003-04-24 |
| Valve-deactivating lifter App 20020195072 - Spath, Mark J. ; et al. | 2002-12-26 |
| Deactivation roller hydraulic valve lifter Grant 6,497,207 - Spath , et al. December 24, 2 | 2002-12-24 |
| Refillable metering valve for hydraulic valve lifters App 20020096136 - Spath, Mark J. ; et al. | 2002-07-25 |
| Deactivation roller hydraulic valve lifter App 20020046718 - Spath, Mark J. ; et al. | 2002-04-25 |
| Compact valve lifters Grant 5,361,733 - Spath , et al. November 8, 1 | 1994-11-08 |
| Two-step valve operating mechanism Grant 5,090,364 - McCarroll , et al. February 25, 1 | 1992-02-25 |
| Cartridge for properly receiving test elements Grant 4,948,737 - Quenin , et al. August 14, 1 | 1990-08-14 |
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