For the Inventor, By the Inventor

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Washington, DC, United States of America

U.S. Environmental Protection Agency

USPTO Granted Patents = 32

CIPO Patents = 2

EPO Patents = 5

Trademarks = 43

Forward Citations = 111

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66 inventors (with patents filed for the assignee):

Gary R Klinefelter (4 out of 5 patents)

Subhas K Sikdar (3 out of 14 patents)

Paul Alan Solomon (3 out of 6 patents)

4. Hodon Ryu (2 out of 2 patents)

5. Hyoungmin Woo (2 out of 2 patents)

6. Anthony Todd Zimmer (2 out of 2 patents)

7. Makram T Suidan (2 out of 2 patents)

8. Orin C Shanks (2 out of 4 patents)

9. Ravi Ponangi (2 out of 4 patents)

10. Stephen J Vesper (2 out of 8 patents)

11. Leland Morris Vane (2 out of 7 patents)

12. Christopher Ruybal (1 out of 1 patent)

13. Dominic DiGiulio (1 out of 1 patent)

14. Mallikarjuna N Nadagouda (1 out of 5 patents)

15. Darren A Lytle (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 11787706 - Filter assembly for disinfecting pathogens using multiple wavelength ultraviolet light emitting diodes (UV-LEDs) and method therefor (2023-10-17),

2. 11518691 - Highly tunable fluorescent core-shell particles for environmental release simulation and tracking applications (2022-12-06),

3. 11406947 - Equilibrator for rapid and continuous detection of a gas in a liquid (2022-08-09),

4. 11345617 - Microwave drying apparatus for the minimization of drinking water plant residuals (2022-05-31),

5. 11104591 - Filter assembly for disinfecting pathogens using multiple wavelength ultraviolet light emitting diodes (UV-LEDs) and method therefor (2021-08-31),

6. 11090647 - Double bottom test tube kit and method therefore (2021-08-17),

7. 10941057 - Highly tunable fluorescent core-shell particles for environmental release simulation and tracking applications (2021-03-09),

8. 10245558 - Green synthesis nanocomposite membranes (2019-04-02),

9. 9963371 - Thermo-oxidation of municipal wastewater treatment plant sludge for production of Class A biosolids (2018-05-08),

10. 9945705 - Flow imaging and monitoring for synchronized management of wide area drainage (2018-04-17),

11. 9914654 - PEPS—portable evaluation pilot skid (2018-03-13),

12. 9816141 - Host-associated DNA sequences, primers, and probes for PCR-based identification of dog fecal pollution sources (2017-11-14),

13. 9718017 - Multi-filter chemical speciation sampler and virtual impaction particle separation inlet therefore (2017-08-01),

14. 8733185 - Multi-filter chemical speciation sampler and virtual impaction particle separation inlet therefore (2014-05-27),

15. 8574839 - Species-specific primer sets and identification of species-specific DNA sequences using genome fragment enrichment (2013-11-05),

The U.S. Environmental Protection Agency (EPA) is an independent regulatory agency tasked with protecting human health and the environment. The EPA sets and enforces standards for air and water quality, helps regulate environmental pollution, conducts research on environmental issues, and provides educational resources and assistance to businesses and communities. Visit their website to learn more about their initiatives, regulations, and programs.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

32 Patents

#31 in Washington, DC

#31 in District of Columbia

#10,227 in US

#20,052 in the World

Washington, DC, United States of America

U.S. Environmental Protection Agency

Forward Citations = 111

66 inventors:

Gary R Klinefelter (4 out of 5 patents)

Subhas K Sikdar (3 out of 14 patents)

Paul Alan Solomon (3 out of 6 patents)

4. Hodon Ryu (2 out of 2 patents)

5. Hyoungmin Woo (2 out of 2 patents)

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