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For the Inventor, By the Inventor

Minneapolis, MN, United States of America

Wanner Engineering, Inc.


USPTO Granted Patents = 19



Trademarks = 14

Forward Citations = 166

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25 inventors (with patents filed for the assignee):

goldMedal Richard D Hembree (8 out of 8 patents)

silverMedal Frederick A Powers (5 out of 42 patents)

bronzeMedal Kenneth Eugene Lehrke (4 out of 13 patents)

4.  Timothy L Sebion (4 out of 4 patents)

5.  Dustin Featherstone (2 out of 4 patents)

6.  Michelle Jean Miller (2 out of 2 patents)

7.  David Poindexter (1 out of 1 patent)

8.  Neil Taylor (1 out of 2 patents)

9.  Matthew Wayne Hollister (1 out of 3 patents)

10.  Francis Dupuis (1 out of 1 patent)

11.  Aaron Jarkko Kariniemi (1 out of 1 patent)

12.  Scott Cameron Losey (1 out of 1 patent)

13.  Craig V Rockwell (1 out of 1 patent)

14.  Peter James Meinz (1 out of 4 patents)

15.  Gary Dean Ingle, Sr (1 out of 1 patent)


19 patents:

1. 12326142 - Diaphragm position control system (2025-06-10),
2. 11448205 - Diaphragm pump comprising a diaphragm connected to a control element and a pressure protection device mounted to the control element wherein the control element is intermediate the control element and the diaphragm and is configured to seal against a transfer chamber wall (2022-09-20),
3. 10920763 - Diaphragm with edge seal (2021-02-16),
4. 9964106 - Diaphragm pump with dual spring overfill limiter (2018-05-08),
5. 7665974 - Diaphragm pump position control with offset valve axis (2010-02-23),
6. D586722 - Topper with ladder rack for vehicle (2009-02-17),
7. 7467582 - Pump diaphragm rupture detection (2008-12-23),
8. 7425120 - Diaphragm position control for hydraulically driven pumps (2008-09-16),
9. 7101158 - Hydraulic balancing magnetically driven centrifugal pump (2006-09-05),
10. 7090474 - Diaphragm pump with overfill limiter (2006-08-15),
11. 6941853 - Pump diaphragm rupture detection (2005-09-13),
12. 6899530 - Diaphragm pump with a transfer chamber vent with a longitudinal notch on the piston cylinder (2005-05-31),
13. 6568559 - Termite control system with multi-fluid proportion metering and batch signal metering (2003-05-27),
14. 6536466 - Pressure regulator apparatus (2003-03-25),
15. 6164560 - Lawn applicator module and control system therefor (2000-12-26),
Wanner Engineering, Inc. is a leading manufacturer of high-pressure sealless pumps, offering reliable and long-lasting fluid handling solutions. With over 40 years of experience, Wanner Engineering is dedicated to delivering innovative pumping solutions that meet the unique needs of various industries. Their advanced products, including Hydra-Cell pumps, combine efficient design, optimal performance, and rugged construction to provide superior reliability in challenging environments. From chemical processing to oil and gas, agriculture, and many other applications, Wanner Engineering helps customers achieve enhanced productivity and cost savings through their precise and powerful pumping solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

19 Patents

#87 in Minneapolis, MN

#493 in Minnesota

#16,575 in US

#31,645 in the World

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Minneapolis, MN, United States of America

Wanner Engineering, Inc.

Forward Citations = 166

25 inventors:

goldMedal Richard D Hembree (8 out of 8 patents)

silverMedal Frederick A Powers (5 out of 42 patents)

bronzeMedal Kenneth Eugene Lehrke (4 out of 13 patents)

4.  Timothy L Sebion (4 out of 4 patents)

5.  Dustin Featherstone (2 out of 4 patents)

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