Fletcher; David E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fletcher; David E..The latest application filed is for "quick connector with a replaceable restriction orifice".
Company Profile
47.95.77
- Fletcher; David E. - Davison MI
- Fletcher; David E. - Flint MI
- Fletcher, David E. - Quebec CA
Patent Activity
| Patent | Date |
|---|---|
| Quick Connector With A Replaceable Restriction Orifice App 20220307637 - Tinsley, III; Donald P. ; et al. | 2022-09-29 |
| Quick connector with a replaceable restriction orifice Grant 11,378,211 - Tinsley, III , et al. July 5, 2 | 2022-07-05 |
| Sprung gate valves movable by an actuator Grant 11,067,177 - Graichen , et al. July 20, 2 | 2021-07-20 |
| Hemispherical Poppet Check Valve App 20210215264 - Fletcher; David E. ; et al. | 2021-07-15 |
| Crankcase ventilation system with a flow control device for on board diagnostics Grant 11,015,498 - Martin , et al. May 25, 2 | 2021-05-25 |
| Quick Connector With A Replaceable Restriction Orifice App 20210102650 - Tinsley, III; Donald P. ; et al. | 2021-04-08 |
| Two-position gate and sprung gate valves having a full-flow open position and a restricted-flow open position Grant 10,830,197 - Fletcher , et al. November 10, 2 | 2020-11-10 |
| Venturi devices with dual Venturi flow paths Grant 10,724,550 - Fletcher , et al. | 2020-07-28 |
| Crankcase Ventilation System With Constant Restriction In The Flow Direction And Free Flow In An Opposite Direction App 20200224602 - Gilmer; Matthew C. ; et al. | 2020-07-16 |
| Crankcase Ventilation System With A Flow Control Device For On Board Diagnostics App 20200224565 - MARTIN; Scott E. ; et al. | 2020-07-16 |
| Solenoid activated vacuum pump for an engine system and system having same Grant 10,677,239 - Hampton , et al. | 2020-06-09 |
| Dual Venturi device Grant 10,626,888 - Fletcher , et al. | 2020-04-21 |
| Valve gate within a Venturi gap of a Venturi device for producing vacuum Grant 10,571,030 - Hampton , et al. Feb | 2020-02-25 |
| Aspirators for producing vacuum using the venturi effect Grant 10,525,952 - Fletcher , et al. J | 2020-01-07 |
| Noise attenuation in a Venturi device and/or check valves Grant 10,519,984 - Fletcher , et al. Dec | 2019-12-31 |
| Restrictors using the Venturi effect Grant 10,513,954 - Fletcher , et al. Dec | 2019-12-24 |
| Low-cost evacuator for an engine having tuned Venturi gaps Grant 10,480,537 - Fletcher , et al. Nov | 2019-11-19 |
| Two-position Gate And Sprung Gate Valves Having A Full-flow Open Position And A Restricted-flow Open Position App 20190338741 - Fletcher; David E. ; et al. | 2019-11-07 |
| Check Valve Insert Defining An Open Position And Check Valves Having Same App 20190323618 - Fletcher; David E. ; et al. | 2019-10-24 |
| Vacuum producing device having a suction passageway and a discharge passageway entering through the same wall Grant 10,443,627 - Fletcher , et al. Oc | 2019-10-15 |
| Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive section Grant 10,422,351 - Fletcher , et al. Sept | 2019-09-24 |
| Sprung Gate Valves Movable By An Actuator App 20190257441 - Graichen; Brian M. ; et al. | 2019-08-22 |
| Aspirators For Producing Vacuum Using The Venturi Effect App 20190256070 - Fletcher; David E. ; et al. | 2019-08-22 |
| Low-cost Evacuator For An Engine Having Tuned Venturi Gaps App 20190234430 - Fletcher; David E. ; et al. | 2019-08-01 |
| Sprung gate valves movable by an actuator Grant 10,323,767 - Graichen , et al. | 2019-06-18 |
| Devices for producing vacuum using the venturi effect Grant 10,316,864 - Fletcher , et al. | 2019-06-11 |
| Low-cost evacuator for an engine having tuned Venturi gaps Grant 10,273,978 - Fletcher , et al. | 2019-04-30 |
| Venturi device Grant D844,550 - Fletcher , et al. | 2019-04-02 |
| Methods for post-mold processing a Venturi device or check valve Grant 10,239,187 - Fletcher , et al. | 2019-03-26 |
| Solenoid Activated Vacuum Pump for an Engine System and System Having Same App 20190085835 - Hampton; Keith ; et al. | 2019-03-21 |
| Venturi device Grant D843,315 - Fletcher , et al. | 2019-03-19 |
| Venturi device Grant D840,923 - Fletcher , et al. Feb | 2019-02-19 |
| Venturi device Grant D840,922 - Fletcher , et al. Feb | 2019-02-19 |
| Venturi device Grant D840,921 - Fletcher , et al. Feb | 2019-02-19 |
| Venturi device Grant D840,920 - Fletcher , et al. Feb | 2019-02-19 |
| Check valves and venturi devices having the same Grant 10,190,549 - Fletcher , et al. Ja | 2019-01-29 |
| Venturi devices resistant to ice formation for producing vacuum from crankcase gases Grant 10,190,455 - Hampton , et al. Ja | 2019-01-29 |
| Aspirated relief valve for a turbocharging system Grant 10,167,971 - Fletcher , et al. J | 2019-01-01 |
| Variable flow valve having metered flow orifice Grant 10,132,424 - Graichen , et al. November 20, 2 | 2018-11-20 |
| Check valves and Venturi devices having the same Grant 10,107,240 - Fletcher , et al. October 23, 2 | 2018-10-23 |
| Crankcase ventilating evacuator Grant 10,100,720 - Fletcher , et al. October 16, 2 | 2018-10-16 |
| Vacuum creation system having an ejector, pneumatic control valve and optionally an aspirator Grant 10,024,339 - Fletcher , et al. July 17, 2 | 2018-07-17 |
| Actuated valve Grant D821,546 - Fletcher , et al. June 26, 2 | 2018-06-26 |
| Venturi device Grant D821,302 - Fletcher , et al. June 26, 2 | 2018-06-26 |
| Check Valves And Venturi Devices Having The Same App 20180156171 - Fletcher; David E. ; et al. | 2018-06-07 |
| Venturi Devices with Dual Venturi Flow Paths App 20180128287 - Fletcher; David E. ; et al. | 2018-05-10 |
| Sprung Gate Valves Movable By An Actuator App 20180094744 - Graichen; Brian M. ; et al. | 2018-04-05 |
| Valve Gate Within A Venturi Gap Of A Venturi Device For Producing Vacuum App 20180080567 - Hampton; Keith ; et al. | 2018-03-22 |
| Bypass valve in an apparatus for producing vacuum Grant 9,919,689 - Fletcher , et al. March 20, 2 | 2018-03-20 |
| Magnetically actuated shut-off valve Grant 9,915,370 - Fletcher , et al. March 13, 2 | 2018-03-13 |
| Fluidic diode check valve Grant 9,915,362 - Hampton , et al. March 13, 2 | 2018-03-13 |
| Venturi devices with dual Venturi flow paths Grant 9,879,699 - Fletcher , et al. January 30, 2 | 2018-01-30 |
| Check valve with improved sealing member Grant 9,863,537 - Fletcher , et al. January 9, 2 | 2018-01-09 |
| Sprung gate valves movable by an actuator Grant 9,845,899 - Graichen , et al. December 19, 2 | 2017-12-19 |
| Aspirator and ejector system Grant 9,845,773 - Fletcher , et al. December 19, 2 | 2017-12-19 |
| Bypass Valve In An Apparatus For Producing Vacuum App 20170356404 - Fletcher; David E. ; et al. | 2017-12-14 |
| Sprung gate valves movable by a solenoid actuator Grant 9,841,110 - Fletcher , et al. December 12, 2 | 2017-12-12 |
| Actuated valve Grant D802,095 - Fletcher , et al. November 7, 2 | 2017-11-07 |
| Aspirated Relief Valve For A Turbocharging System App 20170307098 - Fletcher; David E. ; et al. | 2017-10-26 |
| Fluidic Diode Check Valve App 20170254426 - Hampton; Keith ; et al. | 2017-09-07 |
| Actuated valve Grant D796,634 - Fletcher , et al. September 5, 2 | 2017-09-05 |
| Actuated valve Grant D796,006 - Fletcher , et al. August 29, 2 | 2017-08-29 |
| Actuated valve Grant D796,005 - Fletcher , et al. August 29, 2 | 2017-08-29 |
| Actuated valve Grant D795,392 - Fletcher , et al. August 22, 2 | 2017-08-22 |
| Aspirated relief valve for a turbocharging system Grant 9,732,871 - Fletcher , et al. August 15, 2 | 2017-08-15 |
| Dual aspirator system with aspirator shut-off valve Grant 9,669,815 - Miller , et al. June 6, 2 | 2017-06-06 |
| Pneumatically actuated vacuum pump having multiple venturi gaps and check valves Grant 9,657,748 - Fletcher , et al. May 23, 2 | 2017-05-23 |
| Magnetically Actuated Shut-off Valve App 20170138502 - Fletcher; David E. ; et al. | 2017-05-18 |
| Venturi Devices Resistant To Ice Formation For Producing Vacuum From Crankcase Gases App 20170122153 - Hampton; Keith ; et al. | 2017-05-04 |
| Sprung gate valve Grant 9,599,234 - Fletcher , et al. March 21, 2 | 2017-03-21 |
| Magnetically actuated shut-off valve Grant 9,599,246 - Fletcher , et al. March 21, 2 | 2017-03-21 |
| Restrictors Using The Venturi Effect App 20170058731 - Fletcher; David E. ; et al. | 2017-03-02 |
| Actuated valve Grant D780,296 - Fletcher , et al. February 28, 2 | 2017-02-28 |
| Solenoid-powered gate valve Grant 9,574,677 - Fletcher , et al. February 21, 2 | 2017-02-21 |
| Magnetically Actuated Shut-off Valve App 20170037983 - Fletcher; David E. ; et al. | 2017-02-09 |
| Devices For Producing Vacuum Using The Venturi Effect Having A Plurality Of Subpassageways And Motive Exits In The Motive Section App 20170016414 - Fletcher; David E. ; et al. | 2017-01-19 |
| Noise attenuation in a check valve unit or apparatus for producing vacuum Grant 9,534,704 - Hampton , et al. January 3, 2 | 2017-01-03 |
| Methods For Post-mold Processing A Venturi Device Or Check Valve App 20160375548 - Fletcher; David E. ; et al. | 2016-12-29 |
| Check Valves And Venturi Devices Having The Same App 20160356250 - Fletcher; David E. ; et al. | 2016-12-08 |
| Devices For Producing Vacuum Using The Venturi Effect App 20160298656 - Fletcher; David E. ; et al. | 2016-10-13 |
| Devices For Producing Vacuum Using The Venturi Effect App 20160265557 - Fletcher; David E. ; et al. | 2016-09-15 |
| Crankcase Ventilating Evacuator App 20160201552 - Fletcher; David E. ; et al. | 2016-07-14 |
| Noise Attenuating Member For Noise Attenuating Units In Engines App 20160201531 - Fletcher; David E. ; et al. | 2016-07-14 |
| Check Valve With Improved Sealing Member App 20160195189 - Fletcher; David E. ; et al. | 2016-07-07 |
| Noise attenuating member for noise attenuating units in engines Grant 9,382,826 - Fletcher , et al. July 5, 2 | 2016-07-05 |
| Variable Flow Valve Having Metered Flow Orifice App 20160146374 - Graichen; Brian M. ; et al. | 2016-05-26 |
| Variable flow valve having metered flow orifice Grant 9,291,094 - Graichen , et al. March 22, 2 | 2016-03-22 |
| Vacuum Producer Including An Aspirator And An Ejector App 20160061164 - Fletcher; David E. ; et al. | 2016-03-03 |
| Low-cost Evacuator For An Engine Having Tuned Venturi Gaps App 20160061160 - Fletcher; David E. ; et al. | 2016-03-03 |
| Dual Aspirator System With Aspirator Shut-off Valve App 20160053727 - Miller; James H. ; et al. | 2016-02-25 |
| Pneumatically Actuated Vacuum Pump Having Multiple Venturi Gaps And Check Valves App 20160040688 - Fletcher; David E. ; et al. | 2016-02-11 |
| Aspirated Relief Valve For A Turbocharging System App 20160017792 - Fletcher; David E. ; et al. | 2016-01-21 |
| Dual Venturi Device App 20160010661 - Fletcher; David E. ; et al. | 2016-01-14 |
| Noise Attenuation In A Venturi Device And/or Check Valves App 20150354726 - Fletcher; David E. ; et al. | 2015-12-10 |
| Venturi Devices With Dual Venturi Flow Paths App 20150354600 - Fletcher; David E. ; et al. | 2015-12-10 |
| Vacuum Creation System Having An Ejector, Pneumatic Control Valve And Optionally An Aspirator App 20150345517 - Fletcher; David E. ; et al. | 2015-12-03 |
| Variable Flow Valve Having Metered Flow Orifice App 20150315963 - Graichen; Brian M. ; et al. | 2015-11-05 |
| Noise Attenuation In A Check Valve Unit Or Apparatus For Producing Vacuum App 20150096637 - Hampton; Keith ; et al. | 2015-04-09 |
| Sprung Gate Valves Movable By A Solenoid Actuator App 20150060709 - Fletcher; David E. ; et al. | 2015-03-05 |
| Aspirator And Ejector System App 20150020524 - Fletcher; David E. ; et al. | 2015-01-22 |
| Sprung Gate Valves Movable By An Actuator App 20140353534 - Graichen; Brian M. ; et al. | 2014-12-04 |
| Production of hydrogen and carbon from natural gas or methane using barrier discharge non-thermal plasma App 20040148860 - Fletcher, David E. | 2004-08-05 |
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