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For the Inventor, By the Inventor

Dexter, MI, United States of America

Q.e.d. Environmental Systems, Inc.


USPTO Granted Patents = 46

% Expired Patents = 2.2



Trademarks = 21

Forward Citations = 421

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44 inventors (with patents filed for the assignee):

goldMedal David A Fischer (12 out of 16 patents)

silverMedal Kevin L Newcomer (12 out of 22 patents)

bronzeMedal 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 (7 out of 9 patents)

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

8.  Mark T Weinberger (4 out of 57 patents)

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

10.  Daniel O Hayes (3 out of 4 patents)

11.  Hunter C Anstadt (3 out of 4 patents)

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

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

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

15.  Bryan D Spicer (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

46 patents:

1. D1141773 - SOIL SAMPLER BASE (2026-08-18),
2. 12442724 - Soil sampler (2025-10-14),
3. 12378975 - Pneumatic fluid pump with dual rotational swirling cleaning action (2025-08-05),
4. 12360091 - Portable gas analyzer (2025-07-15),
5. D1080328 - Soil sampler tool (2025-06-24),
6. 12130214 - Environmental groundwater sampling system (2024-10-29),
7. 12097542 - Fluid pump having self-cleaning structure (2024-09-24),
8. 11692433 - Fluid level monitoring system and method incorporating pressure sensor system having inflatable/collapsible bag (2023-07-04),
9. 11656125 - Portable optical spectroscopy device for analyzing gas samples (2023-05-23),
10. 11603866 - Landfill well pump (2023-03-14),
11. 11529658 - Fluid pump having self-cleaning air inlet structure (2022-12-20),
12. 11408274 - Fluid level monitoring system and method incorporating pressure sensor system having inflatable/collapsible bag (2022-08-09),
13. 11261883 - Self-cleaning pneumatic fluid pump having poppet valve with propeller-like cleaning structure (2022-03-01),
14. 10662941 - Modular pneumatic well pump system (2020-05-26),
15. 10307805 - Landfill gas wellhead cap assembly (2019-06-04),
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.

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USPTO Data Jan 1 1976 - Sep 15 2026

Q.e.d. Environmental Systems, Inc.
46 Patents

#1 in Dexter, MI

#293 in Michigan

#7,577 in US

#15,068 in the World

Dexter, MI (US)
Dexter, MI, United States of America

Q.e.d. Environmental Systems, Inc.

Forward Citations = 421

44 inventors:

goldMedal David A Fischer (12 out of 16 patents)

silverMedal Kevin L Newcomer (12 out of 22 patents)

bronzeMedal 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 [email protected]
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