For the Inventor, By the Inventor

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El Segundo, CA, United States of America

Farr Company

USPTO Granted Patents = 11

CIPO Patents = 1

Trademarks = 11

Forward Citations = 605

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12 inventors (with patents filed for the assignee):

Robert R Raber (3 out of 3 patents)

Robert M Culbert (2 out of 16 patents)

Robert S Hanni (2 out of 2 patents)

4. Paul A Labadie (2 out of 2 patents)

5. Richard S Farr (2 out of 3 patents)

6. Lee Pendleton Morgan (1 out of 15 patents)

7. Henry H Yu (1 out of 1 patent)

8. Charles E Miller (1 out of 1 patent)

9. Joseph J Hilzendeger (1 out of 1 patent)

10. Kunio Masuda (1 out of 1 patent)

11. John J Dorn (1 out of 1 patent)

12. Myron G Rasmussen (1 out of 1 patent)

13. Jerry R Ellis (2 patents)

11 patents: Sort by Forward Citations

1. 5972059 - Air filter assembly (1999-10-26),

2. 5512074 - Air filter assembly (1996-04-30),

3. 5223011 - Air filter assembly (1993-06-29),

4. 4865636 - Interlocking wedge for pleated paper filter element (1989-09-12),

5. 4786293 - Smart controller for reverse pulse air filter (1988-11-22),

6. 4659466 - Quick release cover assembly for a liquid filter housing (1987-04-21),

7. 4499733 - Emergency shutdown mechanism for a turbocharged diesel engine (1985-02-19),

8. 4365980 - Air filter assembly (1982-12-28),

9. 4322231 - Filter element locking mechanism (1982-03-30),

10. 4319897 - Air filter assembly including an improved jet pump cleaning apparatus (1982-03-16),

11. 4177050 - Air filter assembly (1979-12-04),

Farr Company is a leading provider of innovative software solutions for businesses of all sizes. With a focus on customer satisfaction and cutting-edge technology, Farr Company offers a range of products and services to help companies streamline their operations and improve their bottom line. From cloud-based software to custom development projects, Farr Company is dedicated to helping clients succeed in today's fast-paced digital world.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#37 in El Segundo, CA

#6,528 in California

#27,470 in US

#51,671 in the World

El Segundo, CA, United States of America

Farr Company

Forward Citations = 605

12 inventors:

Robert R Raber (3 out of 3 patents)

Robert M Culbert (2 out of 16 patents)

Robert S Hanni (2 out of 2 patents)

4. Paul A Labadie (2 out of 2 patents)

5. Richard S Farr (2 out of 3 patents)

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