Inventor
Robert Douglas Jefford
Inventor
Chatham, CA
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof26%
F16KValves22%
Y10TTechnical subjects covered by former us classification19%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles11%
F02BInternal-combustion piston engines7%
Y02TClimate change mitigation technologies related to transportation7%
H01FMagnets4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,253,900Latching valve assembly having position sensing201910,030,780Integrated valve assembly20189,890,747'Tank pressure control solenoid with passive tank vacuum'20189,726,119'Direct mount canister purge solenoid with additional vacuum ports'20179,506,428'Turbo bypass switch valve mounting on air box'20169,360,125'Turbo purge valve-check valve OBD vacuum relief'20167,814,893'Exhaust gas recirculation system module with integral vacuum'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010Patents assigned to CONTINENTAL AUTOMOTIVE CANADA (1)· patent assignee history
2010–2019Based in Chatham, CA· patent location history
2016–2019Patents assigned to Continental automotive systems inc (5)· patent assignee history
2016Patents assigned to CONTINENTAL AUTOMOTIVE SYSTEMS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| Continental automotive systems inc | 5 | 2016–2019 |
| CONTINENTAL AUTOMOTIVE CANADA | 1 | 2010 |
| CONTINENTAL AUTOMOTIVE SYSTEMS | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chatham, CA | 7 | 2010–2019 |