DS

Dale N. Smith

BO Borgwarner: 21 patents #19 of 1,600Top 2%
Overall (All Time): #206,160 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11828206 Hydraulic tensioner with external pin and ratchet mechanism Paul Freemantle 2023-11-28
11402000 Tensioner with spring force control in a second bore Kevin B. Todd 2022-08-02
11078992 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2021-08-03
10781892 Press-fit check valve for a hydraulic tensioner reservoir with metered backflow Keith B. Cobb, Matthew W. Crump 2020-09-22
10738860 Hydraulic tensioner with controllable inlet pressure Mark M. Wigsten, Kevin B. Todd, Sean Simmons, Seongdo HONG 2020-08-11
10677325 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2020-06-09
10612629 Tensioner with spring force control in a second bore Kevin B. Todd 2020-04-07
10539051 Valve operating system providing variable valve lift and/or variable valve timing Mark M. Wigsten 2020-01-21
10436291 Tensioner with spring force control in a second bore Kevin B. Todd 2019-10-08
10125849 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2018-11-13
10077825 Tensioner with spring force control Kevin B. Todd, Robert G Williamson, Fenton O'Shea 2018-09-18
9879764 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2018-01-30
9874267 Series arrangement of hydraulic chain tensioner and ratchet Mark M. Wigsten 2018-01-23
9683637 Tensioner with spring force control in a second bore Kevin B. Todd 2017-06-20
9618096 Chain or belt tensioner with a ratchet that deactivates George L. Markley, Simon Barrette, Joseph P. Goodsell 2017-04-11
9605732 Expanding piston hydraulic chain tensioner Mark M. Wigsten 2017-03-28
9377087 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2016-06-28
9377088 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2016-06-28
9360088 Chain drive tensioner spring force control mechanism Kevin B. Todd, Mark Patton 2016-06-07
9267579 Chain or belt tensioner with a ratchet that deactivates George L. Markley, Simon Barrette, Joseph P. Goodsell 2016-02-23
8052559 Tensioner with two way damper Mark M. Wigsten 2011-11-08