For the Inventor, By the Inventor

Enter assignee name

Dexter, MI, United States of America

Q.e.d. Environmental Systems, Inc.

USPTO Granted Patents = 45

CIPO Patents = 3

EPO Patents = 13

Trademarks = 24

Forward Citations = 415

Loading Chart...

Loading Chart...

44 inventors (with patents filed for the assignee):

David A Fischer (12 out of 16 patents)

Kevin L Newcomer (12 out of 22 patents)

David Mioduszewski (10 out of 12 patents)

4. K Lynn Niehaus (9 out of 10 patents)

5. John F Schaupp (7 out of 17 patents)

6. David B Kaminski (6 out of 8 patents)

7. David H Edwards (5 out of 6 patents)

8. Mark T Weinberger (3 out of 56 patents)

9. Donald Lee Schultz (3 out of 3 patents)

10. William C Allen (2 out of 3 patents)

11. David D Simpson (2 out of 2 patents)

12. Antonio U Ramirez (2 out of 2 patents)

13. Bryan D Spicer (2 out of 3 patents)

14. Douglas D Colby (2 out of 12 patents)

15. Steven R Wells (2 out of 3 patents)

Core Competencies:

Soil Sampler

Pneumatic Fluid Pump

Gas Analyzer

Groundwater Sampling

Optical Spectroscopy

Landfill Gas Monitoring

Fluid Level Monitoring

Submersible Pump

Hydrocarbon Separation

Sampling Well

Leachate Collection

Fluid Sampling Apparatus

45 patents: Sort by Forward Citations

1. 12442724 - Soil sampler (2025-10-14),

2. 12378975 - Pneumatic fluid pump with dual rotational swirling cleaning action (2025-08-05),

3. 12360091 - Portable gas analyzer (2025-07-15),

4. D1080328 - Soil sampler tool (2025-06-24),

5. 12130214 - Environmental groundwater sampling system (2024-10-29),

6. 12097542 - Fluid pump having self-cleaning structure (2024-09-24),

7. 11692433 - Fluid level monitoring system and method incorporating pressure sensor system having inflatable/collapsible bag (2023-07-04),

8. 11656125 - Portable optical spectroscopy device for analyzing gas samples (2023-05-23),

9. 11603866 - Landfill well pump (2023-03-14),

10. 11529658 - Fluid pump having self-cleaning air inlet structure (2022-12-20),

11. 11408274 - Fluid level monitoring system and method incorporating pressure sensor system having inflatable/collapsible bag (2022-08-09),

12. 11261883 - Self-cleaning pneumatic fluid pump having poppet valve with propeller-like cleaning structure (2022-03-01),

13. 10662941 - Modular pneumatic well pump system (2020-05-26),

14. 10307805 - Landfill gas wellhead cap assembly (2019-06-04),

15. 10272356 - Air stripper system and method (2019-04-30),

Q.E.D. Environmental Systems, Inc. is a leading manufacturer of innovative environmental products. With over 35 years of experience, the company specializes in providing reliable and cost-effective solutions for groundwater sampling, remediation pumping, landfill leachate, and air stripping. Q.E.D.'s products are designed to meet the specific needs of environmental professionals and are used worldwide in various industries such as environmental consulting, oil and gas, mining, and construction. The company is dedicated to delivering high-quality products and exceptional customer support.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

45 Patents

#1 in Dexter, MI

#287 in Michigan

#7,499 in US

#14,979 in the World

Dexter, MI, United States of America

Q.e.d. Environmental Systems, Inc.

Forward Citations = 415

44 inventors:

David A Fischer (12 out of 16 patents)

Kevin L Newcomer (12 out of 22 patents)

David Mioduszewski (10 out of 12 patents)

4. K Lynn Niehaus (9 out of 10 patents)

5. John F Schaupp (7 out of 17 patents)

Please report any incorrect information to support@idiyas.com

Loading…