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For the Inventor, By the Inventor

Dayton, OH, United States of America

Robbins & Myers, Inc.

USPTO Granted Patents = 15

Trademarks = 3

Forward Citations = 264

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18 inventors (with patents filed for the assignee):

goldMedal Alan G Wild (4 out of 4 patents)

silverMedal Kamran Z Mirza (2 out of 2 patents)

bronzeMedal Richard A Pearce (1 out of 48 patents)

4.  Steven L Cunningham (1 out of 1 patent)

5.  David D Dean (1 out of 2 patents)

6.  Michael T Romanyszyn, Jr (1 out of 1 patent)

7.  Sheldon S Chang (1 out of 4 patents)

8.  David J Larkins (1 out of 2 patents)

9.  John A Millington (1 out of 1 patent)

10.  Thomas D Monroe (1 out of 1 patent)

11.  Charles A Lawton (1 out of 1 patent)

12.  Richard J Thomas (1 out of 1 patent)

13.  Joan S Foughty (1 out of 1 patent)

14.  William J Leitch (1 out of 1 patent)

15.  Donald L Dover (1 out of 1 patent)


15 patents:

1. 6120267 - Progressing cavity pump including a stator modified to improve material (2000-09-19),
2. 5820354 - Cascaded progressing cavity pump system (1998-10-13),
3. 5803601 - Horizontal flow generation system (1998-09-08),
4. 5722820 - Progressing cavity pump having less compressive fit near the discharge (1998-03-03),
5. 5688114 - Progressing cavity pumps with split extension tubes (1997-11-18),
6. 5303933 - Shut-off seal for a rotatable shaft (1994-04-19),
7. 5108273 - Helical metering pump having different sized rotors (1992-04-28),
8. 4639200 - Sealing apparatus for a gear ball joint (1987-01-27),
9. 4513994 - Ceiling fan and outlet box support (1985-04-30),
10. 4511310 - Ceiling fan blade isolation (1985-04-16),
11. 4475872 - Water pump and gear box therefor (1984-10-09),
12. D262570 - Ceiling fan (1982-01-05),
13. 4112786 - Boltless housing for gear heads and the like (1978-09-12),
14. 4055113 - Ventilator apparatus (1977-10-25),
15. 4025833 - Torque demand thermal switch (1977-05-24),
Company Overview
Robbins & Myers, Inc. is a prominent manufacturer specializing in the development of advanced equipment and systems for various industries, including oil and gas, chemical processing, and water treatment. The company is recognized for its innovative solutions in fluid management and control technologies, focusing on enhancing operational efficiency and sustainability. With a strong presence in Dayton, Ohio, Robbins & Myers leverages its expertise to address complex challenges in fluid dynamics and process optimization across global markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#42 in Dayton, OH

#884 in Ohio

#21,068 in US

#39,959 in the World

Dayton, OH (US)
Dayton, OH, United States of America

Robbins & Myers, Inc.

Forward Citations = 264

18 inventors:

goldMedal Alan G Wild (4 out of 4 patents)

silverMedal Kamran Z Mirza (2 out of 2 patents)

bronzeMedal Richard A Pearce (1 out of 48 patents)

4.  Steven L Cunningham (1 out of 1 patent)

5.  David D Dean (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Robbins & Myers, Inc.. Retrieved from https://idiyas.com/company/robbins-and-myers

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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