David E. Fletcher

Person

Flint, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Quick connector with a replaceable restriction orifice
- Patent number 11,668,423
- Issue date Jun 6, 2023
- Dayco IP Holdings, LLC
- Donald P. Tinsley
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Crankcase ventilation system with constant restriction in the flow...
- Patent number 11,492,936
- Issue date Nov 8, 2022
- Dayco IP Holdings, LLC
- Matthew C. Gilmer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Check valve insert defining an open position and check valves havin...
- Patent number 11,486,504
- Issue date Nov 1, 2022
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Quick connector with a replaceable restriction orifice
- Patent number 11,378,211
- Issue date Jul 5, 2022
- Dayco IP Holdings, LLC
- Donald P. Tinsley
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Sprung gate valves movable by an actuator
- Patent number 11,067,177
- Issue date Jul 20, 2021
- DAYCO IP HOLDINGS, LLC
- Brian M. Graichen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Crankcase ventilation system with a flow control device for on boar...
- Patent number 11,015,498
- Issue date May 25, 2021
- DAYCO IP HOLDINGS, LLC
- Scott E. Martin
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-position gate and sprung gate valves having a full-flow open po...
- Patent number 10,830,197
- Issue date Nov 10, 2020
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Venturi devices with dual Venturi flow paths
- Patent number 10,724,550
- Issue date Jul 28, 2020
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Solenoid activated vacuum pump for an engine system and system havi...
- Patent number 10,677,239
- Issue date Jun 9, 2020
- DAYCO IP HOLDINGS, LLC
- Keith Hampton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual Venturi device
- Patent number 10,626,888
- Issue date Apr 21, 2020
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Valve gate within a Venturi gap of a Venturi device for producing v...
- Patent number 10,571,030
- Issue date Feb 25, 2020
- DAYCO IP HOLDINGS, LLC
- Keith Hampton
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Aspirators for producing vacuum using the venturi effect
- Patent number 10,525,952
- Issue date Jan 7, 2020
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Noise attenuation in a Venturi device and/or check valves
- Patent number 10,519,984
- Issue date Dec 31, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Restrictors using the Venturi effect
- Patent number 10,513,954
- Issue date Dec 24, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Low-cost evacuator for an engine having tuned Venturi gaps
- Patent number 10,480,537
- Issue date Nov 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vacuum producing device having a suction passageway and a discharge...
- Patent number 10,443,627
- Issue date Oct 15, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Devices for producing vacuum using the venturi effect having a plur...
- Patent number 10,422,351
- Issue date Sep 24, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Aspirators for producing vacuum using the venturi effect
- Patent number 10,336,305
- Issue date Jul 2, 2019
- DAYCO IP HOLDINGS, LLC
- Dave Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Sprung gate valves movable by an actuator
- Patent number 10,323,767
- Issue date Jun 18, 2019
- DAYCO IP HOLDINGS, LLC
- Brian M. Graichen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Devices for producing vacuum using the venturi effect
- Patent number 10,316,864
- Issue date Jun 11, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Low-cost evacuator for an engine having tuned Venturi gaps
- Patent number 10,273,978
- Issue date Apr 30, 2019
- Dayco IP, Holdings LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Venturi device
- Patent number D844550
- Issue date Apr 2, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Methods for post-mold processing a Venturi device or check valve
- Patent number 10,239,187
- Issue date Mar 26, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Venturi device
- Patent number D843315
- Issue date Mar 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Flow control for aspirators producing vacuum using the venturi effect
- Patent number 10,221,867
- Issue date Mar 5, 2019
- DAYCO IP HOLDINGS, LLC
- Keith Hampton
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Venturi device
- Patent number D840921
- Issue date Feb 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Venturi device
- Patent number D840920
- Issue date Feb 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Venturi device
- Patent number D840922
- Issue date Feb 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Venturi device
- Patent number D840923
- Issue date Feb 19, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Check valves and venturi devices having the same
- Patent number 10,190,549
- Issue date Jan 29, 2019
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
QUICK CONNECTOR WITH A REPLACEABLE RESTRICTION ORIFICE
- Publication number 20220307637
- Publication date Sep 29, 2022
- Dayco IP Holdings, LLC
- Donald P. Tinsley
- B60 - VEHICLES IN GENERAL
Information Patent Application
HEMISPHERICAL POPPET CHECK VALVE
- Publication number 20210215264
- Publication date Jul 15, 2021
- Dayco IP Holdings, LLC
- David E. Fletcher
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
QUICK CONNECTOR WITH A REPLACEABLE RESTRICTION ORIFICE
- Publication number 20210102650
- Publication date Apr 8, 2021
- Dayco IP Holdings, LLC
- Donald P. Tinsley
- B60 - VEHICLES IN GENERAL
Information Patent Application
CRANKCASE VENTILATION SYSTEM WITH A FLOW CONTROL DEVICE FOR ON BOAR...
- Publication number 20200224565
- Publication date Jul 16, 2020
- Dayco IP Holdings, LLC
- Scott E. MARTIN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CRANKCASE VENTILATION SYSTEM WITH CONSTANT RESTRICTION IN THE FLOW...
- Publication number 20200224602
- Publication date Jul 16, 2020
- Dayco IP Holdings, LLC
- Matthew C. Gilmer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TWO-POSITION GATE AND SPRUNG GATE VALVES HAVING A FULL-FLOW OPEN PO...
- Publication number 20190338741
- Publication date Nov 7, 2019
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CHECK VALVE INSERT DEFINING AN OPEN POSITION AND CHECK VALVES HAVIN...
- Publication number 20190323618
- Publication date Oct 24, 2019
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ASPIRATORS FOR PRODUCING VACUUM USING THE VENTURI EFFECT
- Publication number 20190256070
- Publication date Aug 22, 2019
- Dayco IP Holdings, LLC
- David E. Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPRUNG GATE VALVES MOVABLE BY AN ACTUATOR
- Publication number 20190257441
- Publication date Aug 22, 2019
- Dayco IP Holdings, LLC
- Brian M. Graichen
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOW-COST EVACUATOR FOR AN ENGINE HAVING TUNED VENTURI GAPS
- Publication number 20190234430
- Publication date Aug 1, 2019
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Solenoid Activated Vacuum Pump for an Engine System and System Havi...
- Publication number 20190085835
- Publication date Mar 21, 2019
- Dayco IP Holdings, LLC
- Keith Hampton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CHECK VALVES AND VENTURI DEVICES HAVING THE SAME
- Publication number 20180156171
- Publication date Jun 7, 2018
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Venturi Devices with Dual Venturi Flow Paths
- Publication number 20180128287
- Publication date May 10, 2018
- Dayco IP Holdings, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SPRUNG GATE VALVES MOVABLE BY AN ACTUATOR
- Publication number 20180094744
- Publication date Apr 5, 2018
- Dayco IP Holdings, LLC
- Brian M. Graichen
- B60 - VEHICLES IN GENERAL
Information Patent Application
VALVE GATE WITHIN A VENTURI GAP OF A VENTURI DEVICE FOR PRODUCING V...
- Publication number 20180080567
- Publication date Mar 22, 2018
- Dayco IP Holdings, LLC
- Keith Hampton
- B60 - VEHICLES IN GENERAL
Information Patent Application
ASPIRATORS FOR PRODUCING VACUUM USING THE VENTURI EFFECT
- Publication number 20180043875
- Publication date Feb 15, 2018
- Dayco IP Holdings, LLC
- Dave Fletcher
- B60 - VEHICLES IN GENERAL
Information Patent Application
BYPASS VALVE IN AN APPARATUS FOR PRODUCING VACUUM
- Publication number 20170356404
- Publication date Dec 14, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ASPIRATED RELIEF VALVE FOR A TURBOCHARGING SYSTEM
- Publication number 20170307098
- Publication date Oct 26, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FLUIDIC DIODE CHECK VALVE
- Publication number 20170254426
- Publication date Sep 7, 2017
- Dayco IP Holdings, LLC
- Keith Hampton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
NOISE ATTENUATION UNIT FOR ENGINE SYSTEMS
- Publication number 20170159622
- Publication date Jun 8, 2017
- Dayco IP Holdings, LLC
- Keith Hampton
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MAGNETICALLY ACTUATED SHUT-OFF VALVE
- Publication number 20170138502
- Publication date May 18, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VENTURI DEVICES RESISTANT TO ICE FORMATION FOR PRODUCING VACUUM FRO...
- Publication number 20170122153
- Publication date May 4, 2017
- Dayco IP Holdings, LLC
- Keith Hampton
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
RESTRICTORS USING THE VENTURI EFFECT
- Publication number 20170058731
- Publication date Mar 2, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MAGNETICALLY ACTUATED SHUT-OFF VALVE
- Publication number 20170037983
- Publication date Feb 9, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT HAVING A PLUR...
- Publication number 20170016414
- Publication date Jan 19, 2017
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS FOR POST-MOLD PROCESSING A VENTURI DEVICE OR CHECK VALVE
- Publication number 20160375548
- Publication date Dec 29, 2016
- Dayco IP Holdings, LLC
- David E. Fletcher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CHECK VALVES AND VENTURI DEVICES HAVING THE SAME
- Publication number 20160356250
- Publication date Dec 8, 2016
- Dayco IP Holdings, LLC
- David E. Fletcher
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT
- Publication number 20160298656
- Publication date Oct 13, 2016
- Dayco IP Holdings, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT
- Publication number 20160265557
- Publication date Sep 15, 2016
- Dayco IP Holdings, LLC
- David E. Fletcher
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
NOISE ATTENUATING MEMBER FOR NOISE ATTENUATING UNITS IN ENGINES
- Publication number 20160201531
- Publication date Jul 14, 2016
- DAYCO IP HOLDINGS, LLC
- David E. Fletcher
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

David E. Fletcher

Person

Patents Grantslast 30 patents

Quick connector with a replaceable restriction orifice

Crankcase ventilation system with constant restriction in the flow...

Check valve insert defining an open position and check valves havin...

Quick connector with a replaceable restriction orifice

Sprung gate valves movable by an actuator

Crankcase ventilation system with a flow control device for on boar...

Two-position gate and sprung gate valves having a full-flow open po...

Venturi devices with dual Venturi flow paths

Solenoid activated vacuum pump for an engine system and system havi...

Dual Venturi device

Valve gate within a Venturi gap of a Venturi device for producing v...

Aspirators for producing vacuum using the venturi effect

Noise attenuation in a Venturi device and/or check valves

Restrictors using the Venturi effect

Low-cost evacuator for an engine having tuned Venturi gaps

Vacuum producing device having a suction passageway and a discharge...

Devices for producing vacuum using the venturi effect having a plur...

Aspirators for producing vacuum using the venturi effect

Sprung gate valves movable by an actuator

Devices for producing vacuum using the venturi effect

Low-cost evacuator for an engine having tuned Venturi gaps

Venturi device

Methods for post-mold processing a Venturi device or check valve

Venturi device

Flow control for aspirators producing vacuum using the venturi effect

Venturi device

Venturi device

Venturi device

Venturi device

Check valves and venturi devices having the same

Patents Applicationslast 30 patents

QUICK CONNECTOR WITH A REPLACEABLE RESTRICTION ORIFICE

HEMISPHERICAL POPPET CHECK VALVE

QUICK CONNECTOR WITH A REPLACEABLE RESTRICTION ORIFICE

CRANKCASE VENTILATION SYSTEM WITH A FLOW CONTROL DEVICE FOR ON BOAR...

CRANKCASE VENTILATION SYSTEM WITH CONSTANT RESTRICTION IN THE FLOW...

TWO-POSITION GATE AND SPRUNG GATE VALVES HAVING A FULL-FLOW OPEN PO...

CHECK VALVE INSERT DEFINING AN OPEN POSITION AND CHECK VALVES HAVIN...

ASPIRATORS FOR PRODUCING VACUUM USING THE VENTURI EFFECT

SPRUNG GATE VALVES MOVABLE BY AN ACTUATOR

LOW-COST EVACUATOR FOR AN ENGINE HAVING TUNED VENTURI GAPS

Solenoid Activated Vacuum Pump for an Engine System and System Havi...

CHECK VALVES AND VENTURI DEVICES HAVING THE SAME

Venturi Devices with Dual Venturi Flow Paths

SPRUNG GATE VALVES MOVABLE BY AN ACTUATOR

VALVE GATE WITHIN A VENTURI GAP OF A VENTURI DEVICE FOR PRODUCING V...

ASPIRATORS FOR PRODUCING VACUUM USING THE VENTURI EFFECT

BYPASS VALVE IN AN APPARATUS FOR PRODUCING VACUUM

ASPIRATED RELIEF VALVE FOR A TURBOCHARGING SYSTEM

FLUIDIC DIODE CHECK VALVE

NOISE ATTENUATION UNIT FOR ENGINE SYSTEMS

MAGNETICALLY ACTUATED SHUT-OFF VALVE

VENTURI DEVICES RESISTANT TO ICE FORMATION FOR PRODUCING VACUUM FRO...

RESTRICTORS USING THE VENTURI EFFECT

MAGNETICALLY ACTUATED SHUT-OFF VALVE

DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT HAVING A PLUR...

METHODS FOR POST-MOLD PROCESSING A VENTURI DEVICE OR CHECK VALVE

CHECK VALVES AND VENTURI DEVICES HAVING THE SAME

DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT

DEVICES FOR PRODUCING VACUUM USING THE VENTURI EFFECT

NOISE ATTENUATING MEMBER FOR NOISE ATTENUATING UNITS IN ENGINES