Inventor
DAVID E. FLETCHER
Inventor
US
Overview
Patents· 4 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 thereof25%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles13%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids13%
F16KValves13%
F16LPipes13%
F01MLubricating of machines or engines in general6%
F02BInternal-combustion piston engines6%
F02DControlling combustion engines6%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped6%
PatentTitleYear
11,668,423Quick connector with a replaceable restriction orifice202311,492,936Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction202211,486,504Check valve insert defining an open position and check valves having same202211,378,211Quick connector with a replaceable restriction orifice2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to DAYCO IP HOLDINGS LLC (4)· patent assignee history
2022–2023Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAYCO IP HOLDINGS LLC | 4 | 2022–2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2022–2023 |