For the Inventor, By the Inventor

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Saline, MI, United States of America

Davco Manufacturing L.l.c.

USPTO Granted Patents = 20

Trademarks = 5

Forward Citations = 305

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8 inventors (with patents filed for the assignee):

Leland L Davis (13 out of 19 patents)

Stephen D Davis (4 out of 4 patents)

Paul B Smith (3 out of 8 patents)

4. Willis E Tupper (2 out of 7 patents)

5. Kevin John Rucinski (1 out of 10 patents)

6. Alfred Tondreau (1 out of 8 patents)

7. Ken Conti (1 out of 6 patents)

8. Marc Clark (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 6841065 - Fluid filter with pressure relief valve (2005-01-11),

2. RE37165 - Fuel filter assembly (2001-05-08),

3. D408419 - Fuel line connector (1999-04-20),

4. 5832902 - Fuel temperature control bypass circuit (1998-11-10),

5. 5766449 - Fuel filter assembly (1998-06-16),

6. 5535724 - Fuel pulsation dampener (1996-07-16),

7. 5507942 - Fuel filter assembly (1996-04-16),

8. 5372116 - Combined pressure wave suppressor air/vapor purge and check valve (1994-12-13),

9. 5307782 - Combined pressure wave suppressor, air/vapor purge and check valve (1994-05-03),

10. 5307770 - Priming pump valve (1994-05-03),

11. 5256040 - Priming pump valve (1993-10-26),

12. 4883943 - Electric heater for fuel tank discharge opening coupling to prevent fuel (1989-11-28),

13. 4807584 - Fuel tank heating system (1989-02-28),

14. 4706636 - Purge and prime fuel delivery system and method (1987-11-17),

15. 4680110 - Filter block mounted fuel processor apparatus (1987-07-14),

Davco Manufacturing L.l.c. is a leading provider of high-quality industrial equipment for various industries. With a focus on innovation and customer satisfaction, Davco offers a wide range of products including conveyor systems, material handling equipment, and custom fabrication solutions. Backed by years of experience and a team of skilled professionals, Davco is committed to delivering reliable and efficient solutions to meet the unique needs of each client.

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USPTO Data Jan 1 1976 - Sep 22 2026

20 Patents

#7 in Saline, MI

#587 in Michigan

#16,364 in US

#31,176 in the World

Saline, MI, United States of America

Davco Manufacturing L.l.c.

Forward Citations = 305

8 inventors:

Leland L Davis (13 out of 19 patents)

Stephen D Davis (4 out of 4 patents)

Paul B Smith (3 out of 8 patents)

4. Willis E Tupper (2 out of 7 patents)

5. Kevin John Rucinski (1 out of 10 patents)

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