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For the Inventor, By the Inventor

Willis, TX, United States of America

Robbins & Myers Energy Systems L.p.


USPTO Granted Patents = 35



Trademarks = 20

Forward Citations = 347

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47 inventors (with patents filed for the assignee):

goldMedal Michael Guidry, Jr (12 out of 13 patents)

silverMedal Billy W White (7 out of 8 patents)

bronzeMedal Matthew S Davison (3 out of 5 patents)

4.  Douglas J McGuire (3 out of 3 patents)

5.  Blake Smith (2 out of 6 patents)

6.  Michael J Chiles (2 out of 2 patents)

7.  Gary E Abdo (2 out of 2 patents)

8.  Lawrence F Angelo (2 out of 8 patents)

9.  Simon J Ward (2 out of 2 patents)

10.  Michael Smith (2 out of 2 patents)

11.  Mark C Euwer (1 out of 3 patents)

12.  Barry G Jansma (1 out of 3 patents)

13.  John Preston Rogers (1 out of 5 patents)

14.  William E Murray (1 out of 10 patents)

15.  Saeed A Akhund (1 out of 1 patent)


35 patents:

1. 8905733 - Progressing cavity pump/motor (2014-12-09),
2. 8820565 - Clamp-style closure (2014-09-02),
3. 8672656 - Progressing cavity pump/motor (2014-03-18),
4. 8529214 - Variable speed progressing cavity pump system (2013-09-10),
5. 8430260 - Closure for a vessel (2013-04-30),
6. 8322556 - Closure for a vessel (2012-12-04),
7. 8272434 - Tubing string hanger and tensioner assembly (2012-09-25),
8. 8147228 - Progressing cavity pump/motor (2012-04-03),
9. D654572 - Closure (2012-02-21),
10. 8113289 - Flow regulator for downhole progressing cavity motor (2012-02-14),
11. 8109746 - Progressing cavity pump/motor (2012-02-07),
12. 8052006 - Closure for a vessel (2011-11-08),
13. D643281 - Clamp for rod rotator (2011-08-16),
14. 7926559 - Oilfield stuffing box (2011-04-19),
15. 7854259 - PC rod guide with rotor ridges (2010-12-21),
Robbins & Myers Energy Systems L.P. is a leading global provider of engineered equipment and systems serving a wide range of industries including the oil and gas, chemical, and pharmaceutical sectors. With a focus on innovation and customer satisfaction, Robbins & Myers Energy Systems L.P. delivers high-quality products and solutions for demanding applications. For more information, please visit their official website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

35 Patents

#1 in Willis, TX

#534 in Texas

#9,415 in US

#18,580 in the World

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Willis, TX, United States of America

Robbins & Myers Energy Systems L.p.

Forward Citations = 347

47 inventors:

goldMedal Michael Guidry, Jr (12 out of 13 patents)

silverMedal Billy W White (7 out of 8 patents)

bronzeMedal Matthew S Davison (3 out of 5 patents)

4.  Douglas J McGuire (3 out of 3 patents)

5.  Blake Smith (2 out of 6 patents)

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