For the Inventor, By the Inventor

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Crowley, TX, United States of America

Harbison-fischer, Inc.

USPTO Granted Patents = 23

CIPO Patents = 4

Trademarks = 25

Forward Citations = 209

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19 inventors (with patents filed for the assignee):

Benny J Williams (11 out of 13 patents)

Mark William Mahoney (5 out of 5 patents)

Ian Douglas Rimmer (4 out of 4 patents)

4. Bradley Craig Rogers (3 out of 3 patents)

5. Felipe Correa (2 out of 2 patents)

6. Sergio Granados (2 out of 2 patents)

7. Ramamurthy Narasimhan (2 out of 7 patents)

8. Allen W Sindel (2 out of 2 patents)

9. Riyadh Salloom (1 out of 1 patent)

10. Oscar Zizo (1 out of 1 patent)

11. Randy De Werff (1 out of 1 patent)

12. John L Perkins, Jr (1 out of 1 patent)

13. Michael Wayne Stowe (1 out of 1 patent)

14. Justin Conyers (1 out of 1 patent)

15. Charles David Willis (1 out of 2 patents)

23 patents: Sort by Forward Citations

1. 11834916 - Shear coupling for sucker rod string (2023-12-05),

2. 11300121 - Downhole pump sand filtering snares (2022-04-12),

3. 9011110 - Relocatable sucker rod pump assembly (2015-04-21),

4. 8657014 - Artificial lift system and method for well (2014-02-25),

5. 8579610 - High compression downhole pump (2013-11-12),

6. 8535024 - Sand plunger for downhole pump (2013-09-17),

7. 8528912 - Method and apparatus for injecting packing into stuffing boxes for reciprocating rods (2013-09-10),

8. 8403331 - Method and apparatus for injecting packing into stuffing boxes for reciprocating rods (2013-03-26),

9. 8297940 - Relocatable sucker rod pump assembly (2012-10-30),

10. 8215383 - Stress and torque reducing tool (2012-07-10),

11. 8083505 - Wear rings for downhole pump (2011-12-27),

12. 7909589 - Downhole pumps with sand snare (2011-03-22),

13. 7819189 - Method and system for determining plunger location in a plunger lift system (2010-10-26),

14. 7686598 - Downhole pumps with sand snare (2010-03-30),

15. 7607901 - Wear rings for downhole pump (2009-10-27),

HARBISON-FISCHER, INC. is a leading provider of heavy-duty industrial and mining equipment. With over 80 years of experience, we offer a wide range of products including bearings, gearboxes, and conveyor solutions. Our commitment to quality and innovation has made us a trusted name in the industry. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

23 Patents

#1 in Crowley, TX

#844 in Texas

#13,927 in US

#26,804 in the World

Crowley, TX, United States of America

Harbison-fischer, Inc.

Forward Citations = 209

19 inventors:

Benny J Williams (11 out of 13 patents)

Mark William Mahoney (5 out of 5 patents)

Ian Douglas Rimmer (4 out of 4 patents)

4. Bradley Craig Rogers (3 out of 3 patents)

5. Felipe Correa (2 out of 2 patents)

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