Issued Patents All Time
Showing 1–25 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253087 | Variable speed pumping system and method | Ryan Weaver | 2025-03-18 |
| 11835018 | Magnetically latching valve for fuel vapor management systems and systems incorporating same | Kevin Lucka, Donald P. Tinsley, III, Matthew C. Gilmer | 2023-12-05 |
| 11547292 | Vaginal speculum | Eric Domingos, Joseph Cosimo Longo | 2023-01-10 |
| 11408361 | Charge air cooler drain system | Matthew C. Gilmer, Russell Aach, Chester E. Duffield, III, Scott Martin | 2022-08-09 |
| 10830197 | Two-position gate and sprung gate valves having a full-flow open position and a restricted-flow open position | David E. Fletcher, Matthew C. Gilmer | 2020-11-10 |
| 10724550 | Venturi devices with dual Venturi flow paths | David E. Fletcher, Brian M. Graichen, Keith Hampton | 2020-07-28 |
| 10677239 | Solenoid activated vacuum pump for an engine system and system having same | Keith Hampton, David E. Fletcher, Brian M. Graichen | 2020-06-09 |
| 10571030 | Valve gate within a Venturi gap of a Venturi device for producing vacuum | Keith Hampton, David E. Fletcher, Brian M. Graichen | 2020-02-25 |
| 10519984 | Noise attenuation in a Venturi device and/or check valves | David E. Fletcher, Rex Bravo, Andrew Niedert, Matthew C. Gilmer, Keith Hampton +1 more | 2019-12-31 |
| 10513954 | Restrictors using the Venturi effect | David E. Fletcher, Brian M. Graichen, Keith Hampton | 2019-12-24 |
| 10480537 | Low-cost evacuator for an engine having tuned Venturi gaps | David E. Fletcher, Brian M. Graichen, Rex Bravo, Matthew C. Gilmer, Keith Hampton +2 more | 2019-11-19 |
| 10456929 | Negative pressure actuated soft bending actuator | Nathaniel Wicks | 2019-10-29 |
| 10443627 | Vacuum producing device having a suction passageway and a discharge passageway entering through the same wall | David E. Fletcher, Brian M. Graichen, Keith Hampton | 2019-10-15 |
| 10422351 | Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive section | David E. Fletcher, Brian M. Graichen, Keith Hampton | 2019-09-24 |
| 10316864 | Devices for producing vacuum using the venturi effect | David E. Fletcher, Brian M. Graichen, Keith Hampton | 2019-06-11 |
| 10273978 | Low-cost evacuator for an engine having tuned Venturi gaps | David E. Fletcher, Brian M. Graichen, Rex Bravo, Matthew C. Gilmer, Keith Hampton +2 more | 2019-04-30 |
| D844550 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-04-02 |
| D843315 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-03-19 |
| 10221867 | Flow control for aspirators producing vacuum using the venturi effect | Keith Hampton, David E. Fletcher, Brian M. Graichen, Rex Bravo, Matt Gilmer +1 more | 2019-03-05 |
| D840923 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-02-19 |
| D840922 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-02-19 |
| D840921 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-02-19 |
| D840920 | Venturi device | David E. Fletcher, Brian M. Graichen, Rex Bravo, Keith Hampton, Matthew C. Gilmer +2 more | 2019-02-19 |
| 10190549 | Check valves and venturi devices having the same | David E. Fletcher, Brian M. Graichen, Matthew C. Gilmer, Andrew Niedert, Keith Hampton | 2019-01-29 |
| 10190455 | Venturi devices resistant to ice formation for producing vacuum from crankcase gases | Keith Hampton, David E. Fletcher, Brian M. Graichen, Andrew Niedert | 2019-01-29 |