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For the Inventor, By the Inventor

Miamisburg, OH, United States of America

Dayco Products, Inc.


USPTO Granted Patents = 357



Trademarks = 78

Forward Citations = 4,610

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210 inventors (with patents filed for the assignee):

goldMedal Homer N Holden (30 out of 44 patents)

silverMedal Randy C Foster (24 out of 45 patents)

bronzeMedal James L Lawrence (20 out of 22 patents)

4.  Dewey D Henderson (19 out of 29 patents)

5.  John D Sanders (16 out of 17 patents)

6.  Jeffrey J Winter (15 out of 15 patents)

7.  Yungrwei Chen (13 out of 17 patents)

8.  James Gerard Quintus (12 out of 23 patents)

9.  Rodger P Grantham (12 out of 36 patents)

10.  Jack R Cooper (12 out of 12 patents)

11.  David E Gardner (12 out of 12 patents)

12.  Richard L Marsh (11 out of 23 patents)

13.  Jack D White, Jr (11 out of 21 patents)

14.  David B Novak (11 out of 11 patents)

15.  Jerry Shifman (10 out of 10 patents)


Core Competencies:
Belt Tensioner
V-Ribbed Belt
Clutched Damper
Power Transmission Belt
Active Vibrational Damper
Pulley Alignment System
Energy Attenuation Device
Automotive Applications
Elastomer Compositions
Hydraulic Damped Tensioner
Fuel Vapor Recirculation
Extruded Seal

357 patents:

1. 8277348 - Clutched damper for a belt tensioner (2012-10-02),
2. 8250770 - Pulley alignment system (2012-08-28),
3. 8192315 - V-ribbed belt having an outer surface with improved coefficient of friction (2012-06-05),
4. 8162787 - One-way clutched damper for automatic belt tensioner (2012-04-24),
5. 8123640 - Belt tensioner with damping member (2012-02-28),
6. 8075434 - Profiled tip power transmission belt (2011-12-13),
7. 8075433 - Belt tensioner with damping member (2011-12-13),
8. 8038555 - One-way clutched damper for automatic belt tensioner (2011-10-18),
9. 8028602 - Active vibrational damper (2011-10-04),
10. 8012053 - Combination dust cover and bearing retention member (2011-09-06),
11. 7931552 - Pulley with torque-sensitive clutching (2011-04-26),
12. 7887445 - Belt tensioner (2011-02-15),
13. D629313 - Gage (2010-12-21),
14. 7771302 - Apparatus for indicating power transmission belt dynamics (2010-08-10),
15. 7749120 - Power transmission belt (2010-07-06),
Dayco is a leading global manufacturer of automotive belts, tensioners, pulleys and other power transmission products. They are committed to providing innovative solutions to meet the needs of their customers, delivering industry-leading quality and performance.
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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357 Patents

#2 in Miamisburg, OH

#50 in Ohio

#1,228 in US

#2,485 in the World

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Miamisburg, OH, United States of America

Dayco Products, Inc.

Forward Citations = 4,610

210 inventors:

goldMedal Homer N Holden (30 out of 44 patents)

silverMedal Randy C Foster (24 out of 45 patents)

bronzeMedal James L Lawrence (20 out of 22 patents)

4.  Dewey D Henderson (19 out of 29 patents)

5.  John D Sanders (16 out of 17 patents)

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