RS

Roger T. Simpson

BO Borgwarner: 55 patents #2 of 1,600Top 1%
BA Borg-Warner Automotive: 20 patents #3 of 259Top 2%
JS Jacobs Vehicle Systems: 1 patents #43 of 73Top 60%
XC Xcp: 1 patents #2 of 5Top 40%
📍 Ithaca, NY: #6 of 1,653 inventorsTop 1%
🗺 New York: #913 of 115,490 inventorsTop 1%
Overall (All Time): #24,498 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 51–75 of 77 patents

Patent #TitleCo-InventorsDate
6196939 Hydraulic tensioner with a hydraulically controlled rack 2001-03-06
6165090 Hydraulic tensioner with vent formed with stacked plates 2000-12-26
6139454 Hydraulic tensioner with plastic cap check valve or vent 2000-10-31
6126563 Quick purge tensioner with internal piston spring 2000-10-03
6120402 Hydraulic tensioner with external rack having backlash restriction Todd K. Preston 2000-09-19
6117033 Hydraulic tensioner with tuned spring piston 2000-09-12
6062330 On demand vehicle drive system Will Watson, Alan L. Miller, Drew A. Sundquist, Diane K. Ducklow, Joseph W. Beckerman +1 more 2000-05-16
5993342 Hydraulic tensioner with force limiting tensioner spring Mark M. Wigsten, George L. Markley 1999-11-30
5989139 Hydraulic tensioner with external rack E. Paul Dusinberre, II, Sam A. Kuznets 1999-11-23
5967921 Hydraulic chain tensioner with molded plastic body Michael Duffield, Todd K. Preston 1999-10-19
5967920 Hydraulic tensioner with a bore cup Stanley K. Dembosky 1999-10-19
5951423 Mechanical friction tensioner 1999-09-14
5707309 Hydraulic tensioner with modular inlet check valve with pressure relief 1998-01-13
5700216 Hydraulic tensioner for dual chain system Philip J. Mott 1997-12-23
5700213 Integral inlet and pressure relief valve for an automotive tensioner Kevin B. Todd 1997-12-23
5655416 Torsional absorber for camshaft sprockets Philip J. Mott, Kevin B. Todd 1997-08-12
5653652 Hydraulic tensioning system with dual arm blade 1997-08-05
5628701 Hydraulic tensioner with sealing element Stanley K. Dembosky 1997-05-13
5619887 Camshaft tuned vibration damper 1997-04-15
5609219 On demand vehicle drive system Will Watson, Alan L. Miller, Drew A. Sundquist, Diane K. Ducklow, Joseph W. Beckerman +1 more 1997-03-11
5605201 On demand vehicle drive system Ward D. McGinn, Todd L. Perttola, Will Watson, Alan L. Miller, Drew A. Sundquist +3 more 1997-02-25
5579665 Torsional absorber for camshaft sprockets Philip J. Mott, Kevin B. Todd 1996-12-03
5492194 On demand vehicle drive system Ward D. McGinn, Todd L. Perttola, Will Watson, Alan L. Miller, Drew A. Sundquist +1 more 1996-02-20
5485894 On demand vehicle drive system Will Watson, Alan L. Miller, Drew A. Sundquist, Diane K. Ducklow, Joseph W. Beckerman +1 more 1996-01-23
5462493 Dual blade chain tensioner with damping 1995-10-31