Inventor
Dale N. Smith
Inventor
Freeville, NY, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing61%
F02BInternal-combustion piston engines18%
F01LCyclically operating valves for machines or engines7%
H05KPrinted circuits7%
A47GHousehold or table equipment4%
F16KValves4%
PatentTitleYear
10,781,892Press-fit check valve for a hydraulic tensioner reservoir with metered backflow202010,738,860Hydraulic tensioner with controllable inlet pressure202010,677,325Chain drive tensioner spring force control mechanism202010,612,629Tensioner with spring force control in a second bore202010,539,051Valve operating system providing variable valve lift and/or variable valve timing202010,436,291Tensioner with spring force control in a second bore201910,125,849Chain drive tensioner spring force control mechanism201810,077,825Tensioner with spring force control20189,879,764'Chain drive tensioner spring force control mechanism'20189,874,267Series arrangement of hydraulic chain tensioner and ratchet20189,683,637'Tensioner with spring force control in a second bore'20179,618,096'Chain or belt tensioner with a ratchet that deactivates'20179,605,732'Expanding piston hydraulic chain tensioner'20179,377,087'Chain drive tensioner spring force control mechanism'20169,377,088'Chain drive tensioner spring force control mechanism'20169,360,088'Chain drive tensioner spring force control mechanism'20169,267,579'Chain or belt tensioner with a ratchet that deactivates'20168,052,559'Tensioner with two way damper'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to BORGWARNER INC (18)· patent assignee history
2011Based in Groton, NY, US· patent location history
2016–2020Based in Freeville, NY, US· patent location history
2020Based in Ithaca, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BORGWARNER INC | 18 | 2011–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freeville, New York, US | 16 | 2016–2020 |
| Ithaca, New York, US | 1 | 2020 |
| Groton, New York, US | 1 | 2011 |