For the Inventor, By the Inventor

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Hayward, CA, United States of America

Pacific Roller Die Company, Inc.

USPTO Granted Patents = 16

EPO Patents = 1

Trademarks = 1

Forward Citations = 154

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11 inventors (with patents filed for the assignee):

Paul K Davis (9 out of 12 patents)

Robert F Miller (5 out of 8 patents)

Daniel D Freitas (3 out of 4 patents)

4. Garrett Colin Gersten (1 out of 1 patent)

5. Russell L Hinckley, Sr (1 out of 1 patent)

6. Michael Francis Kraut (1 out of 1 patent)

7. James A Marquis (1 out of 1 patent)

8. Robert E Miller (1 out of 9 patents)

9. Edwin D Klaft (1 out of 1 patent)

10. Robert D Alexander (1 out of 1 patent)

11. Dennis G Holmes (1 out of 1 patent)

12. Garrett C Gersten (0 patent)

13. Michael F Kraut (0 patent)

14. Russell L Hinckley (0 patent)

15. Sr Russell L Hinckley (0 patent)

16 patents: Sort by Forward Citations

1. 10933455 - Tubular core and method (2021-03-02),

2. 7757720 - Ribbed spiral pipe (2010-07-20),

3. 7108294 - Composite pipe assembly and components (2006-09-19),

4. 7083204 - Composite metal pipe coupling and assembly (2006-08-01),

5. 6339945 - Apparatus for forming tapered spiral tubes (2002-01-22),

6. 6062957 - Dry abrasive blasting head having rotating nozzles (2000-05-16),

7. 5131693 - Pipe coupling method (1992-07-21),

8. 4791800 - Roll forming process and apparatus for making ribs in strip material (1988-12-20),

9. 4763830 - Method for welding ribbed pipe (1988-08-16),

10. 4756217 - Travelling pipe cut-off (1988-07-12),

11. 4630650 - Spiral ribbed pipe (1986-12-23),

12. 4318320 - Method for removing camber from strip (1982-03-09),

13. 4255999 - Method and apparatus for removing camber from strip (1981-03-17),

14. 4129152 - Double wall helical pipe and strip configuration for forming same (1978-12-12),

15. 4018072 - End recorrugator (1977-04-19),

Pacific Roller Die Company, Inc. is a leading manufacturer of precision mechanical components for a variety of industries. With over 50 years of experience, we specialize in customized roller dies, metal stampings, and tooling solutions. Our state-of-the-art facilities and skilled team ensure high-quality products and on-time delivery for our customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#41 in Hayward, CA

#4,621 in California

#19,280 in US

#36,651 in the World

Hayward, CA, United States of America

Pacific Roller Die Company, Inc.

Forward Citations = 154

11 inventors:

Paul K Davis (9 out of 12 patents)

Robert F Miller (5 out of 8 patents)

Daniel D Freitas (3 out of 4 patents)

4. Garrett Colin Gersten (1 out of 1 patent)

5. Russell L Hinckley, Sr (1 out of 1 patent)

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