Gsi Environmental, Inc.

Calculating rank

USPTO Granted Patents = 4

% Expired Patents = 25.0

Forward Citations = 17

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11 inventors (with patents filed for the assignee):

Charles J Newell (4 out of 6 patents)

Poonam R Kulkarni (3 out of 3 patents)

David T Adamson (2 out of 2 patents)

4. Thomas C Sale (1 out of 11 patents)

5. Emily B Stockwell (1 out of 1 patent)

6. Thomas E McHugh (1 out of 1 patent)

7. Lisa J Molofsky (1 out of 1 patent)

8. Stephen D Richardson (1 out of 1 patent)

9. Hassan Javed (1 out of 1 patent)

10. Nicholas W Johnson (1 out of 1 patent)

11. John A Connor (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 12583767 - Method and apparatus for removal of per- and polyfluoroalkyl substances (PFAS) from groundwater (2026-03-24),

2. 11679999 - Method and apparatus to separate per-and polyfluoroalkyl substances (PFAS) from water using colloidal gas aphrons (CGAs) (2023-06-20),

3. 10094719 - Devices and methods for measuring thermal flux and estimating rate of change of reactive material within a subsurface formation (2018-10-09),

4. 9938682 - Long-exposure, time-integrated sampler for groundwater or the like (2018-04-10),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#1,004 in Houston, TX

#3,944 in Texas

#60,704 in US

Houston, TX, United States of America