For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Envirotech Pumpsystems, Inc.

USPTO Granted Patents = 28

% Expired Patents = 46.4

Trademarks = 7

Forward Citations = 222

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22 inventors (with patents filed for the assignee):

James G Shaw (9 out of 11 patents)

James C Harmon (6 out of 7 patents)

Brandon R Doering (6 out of 6 patents)

4. Joel Quinn (5 out of 5 patents)

5. Bryce Neilson (4 out of 4 patents)

6. David P Borrowman (2 out of 3 patents)

7. James Northrup (2 out of 2 patents)

8. Steven D Osborn (2 out of 2 patents)

9. Thomas L Angle (2 out of 2 patents)

10. Steven Bandis (1 out of 31 patents)

11. Kenneth Sessum, Sr (1 out of 1 patent)

12. Greg Paulin (1 out of 1 patent)

13. Steven S Davis (1 out of 30 patents)

14. Forrest B Day (1 out of 2 patents)

15. Michael Rytting (1 out of 1 patent)

Core Competencies:

Pressure Reducing Rotor

Centrifugal Pump

Flow-Through Pitot Tube

Check Valve

Chopper Pump

Impeller Configuration

Elastomer Seal

Grit Classifier Tank

Switched Reluctance Motor

Mold for Elastomeric Linings

Multilayer Pump Liner

Axial Adjustment

28 patents: Sort by Forward Citations

1. 10280925 - Pressure reducing rotor assembly for a pump (2019-05-07),

2. 10151314 - Gear-driven flow-through pitot tube pump (2018-12-11),

3. 10082411 - Pitot tube stabilizer arrangement for centrifugal pumps (2018-09-25),

4. 9719516 - Pressure reducing rotor assembly for a pump (2017-08-01),

5. 7988408 - Two-piece bearing housing for a centrifugal pump (2011-08-02),

6. 7784489 - Check valve for a self-priming pump (2010-08-31),

7. 7584916 - Cutting ring element for a centrifugal chopper pump (2009-09-08),

8. 7455251 - Pump impeller and chopper plate for a centrifugal pump (2008-11-25),

9. 7234657 - Pump impeller and chopper plate for a centrifugal pump (2007-06-26),

10. 7168915 - Apparatus for axial adjustment of chopper pump clearances (2007-01-30),

11. 7121794 - Component assembly for reconfiguring a centrifugal pump (2006-10-17),

12. 7118327 - Impeller and cutting elements for centrifugal chopper pumps (2006-10-10),

13. 7114925 - Impeller vane configuration for a centrifugal pump (2006-10-03),

14. 7080797 - Pump impeller and chopper plate for a centrifugal pump (2006-07-25),

15. 6986644 - Hard material impeller and methods and apparatus for construction (2006-01-17),

Company Overview

Envirotech Pumpsystems, Inc. is a specialized manufacturer based in Salt Lake City, Utah, focusing on innovative pumping solutions for various industries. The company develops a range of products designed to handle challenging applications, particularly in the environmental and industrial sectors. With a commitment to quality and performance, Envirotech emphasizes advanced engineering and technology to deliver reliable pumping systems that meet the diverse needs of its clients, ensuring efficiency and sustainability in fluid management.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

28 Patents

#55 in Salt Lake City, UT

#143 in Utah

#12,013 in US

#23,285 in the World

Salt Lake City, UT, United States of America

Envirotech Pumpsystems, Inc.

Forward Citations = 222

22 inventors:

James G Shaw (9 out of 11 patents)

James C Harmon (6 out of 7 patents)

Brandon R Doering (6 out of 6 patents)

4. Joel Quinn (5 out of 5 patents)

5. Bryce Neilson (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Envirotech Pumpsystems, Inc.. Retrieved from https://idiyas.com/company/envirotech-pumpsystems

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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