IDiyas

For the Inventor, By the Inventor

Roseville, MI, United States of America

Dayco IP Holdings, LLC


USPTO Granted Patents = 152



Trademarks = 69

Forward Citations = 462

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82 inventors (with patents filed for the assignee):

goldMedal Brian M Graichen (70 out of 73 patents)

silverMedal David E Fletcher (69 out of 72 patents)

bronzeMedal Keith Hampton (60 out of 103 patents)

4.  James H Miller (55 out of 57 patents)

5.  Matthew C Gilmer (41 out of 41 patents)

6.  Andrew D Niedert (34 out of 70 patents)

7.  Rex Bravo (25 out of 25 patents)

8.  Suhale Manzoor (20 out of 29 patents)

9.  Anthony Eugene Lannutti (19 out of 25 patents)

10.  Matt Gilmer (14 out of 14 patents)

11.  Kevin Gerard Dutil (10 out of 14 patents)

12.  Nicole Bruder (9 out of 9 patents)

13.  James Kevin Lindstrom (8 out of 8 patents)

14.  Kevin W Lucka (7 out of 17 patents)

15.  Donald P Tinsley, Iii (7 out of 8 patents)


Core Competencies:
Magnetically Latching Valve
Fuel Vapor Management
Venturi Effect
Vacuum Producing Device
Torsional Vibration Damper
Crankcase Ventilation System
Check Valve Insert
Flow Control Device
Aspirators
Quick Connector
Sealed Belt Tensioning Device
Noise Attenuation

152 patents:

1. 11835018 - Magnetically latching valve for fuel vapor management systems and systems incorporating same (2023-12-05),
2. 11714019 - Systems and methods for make-up air blocking valve with a restrictive poppet orifice (2023-08-01),
3. 11668423 - Quick connector with a replaceable restriction orifice (2023-06-06),
4. 11668268 - Magnetically latching valve for fuel vapor management systems and systems incorporating same (2023-06-06),
5. 11614098 - Devices for producing vacuum using the Venturi effect having a solid fletch (2023-03-28),
6. 11585299 - System and methods for a fuel tank pressure control pump (2023-02-21),
7. 11492936 - Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction (2022-11-08),
8. 11486504 - Check valve insert defining an open position and check valves having same (2022-11-01),
9. 11415086 - Three port, five-way magnetically latching valve for fuel vapor management systems and systems incorporating same (2022-08-16),
10. 11408380 - Devices for producing vacuum using the Venturi effect having a hollow fletch (2022-08-09),
11. 11408361 - Charge air cooler drain system (2022-08-09),
12. 11378211 - Quick connector with a replaceable restriction orifice (2022-07-05),
13. 11300080 - Fuel tank protector valve and engine systems having same (2022-04-12),
14. 11067177 - Sprung gate valves movable by an actuator (2021-07-20),
15. 11015498 - Crankcase ventilation system with a flow control device for on board diagnostics (2021-05-25),
Dayco IP Holdings, LLC is a global leader in the research, design, manufacturing, and distribution of a broad range of industrial products and original equipment (OE) drive systems. Their innovative solutions are trusted by OEMs and aftermarket customers worldwide. With a strong commitment to quality and customer satisfaction, Dayco delivers reliable products for automotive, construction, agriculture, and industrial applications.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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152 Patents

#1 in Roseville, MI

#103 in Michigan

#2,502 in US

#5,217 in the World

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Roseville, MI, United States of America

Dayco IP Holdings, LLC

Forward Citations = 462

82 inventors:

goldMedal Brian M Graichen (70 out of 73 patents)

silverMedal David E Fletcher (69 out of 72 patents)

bronzeMedal Keith Hampton (60 out of 103 patents)

4.  James H Miller (55 out of 57 patents)

5.  Matthew C Gilmer (41 out of 41 patents)

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