For the Inventor, By the Inventor

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Pittsburgh, PA, United States of America

Suprex Corp.

USPTO Granted Patents = 16

Forward Citations = 578

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14 inventors (with patents filed for the assignee):

Raymond K Houck (8 out of 20 patents)

Douglas J Koebler (5 out of 13 patents)

Mehdi Ashraf-Khorassani (5 out of 5 patents)

4. Glen P Williams (4 out of 11 patents)

5. Joseph M Levy (4 out of 4 patents)

6. M Lalith Kumar (3 out of 5 patents)

7. Gregory Shogan (3 out of 3 patents)

8. Victor G Danielson (2 out of 2 patents)

9. Robert Dale Parks (1 out of 25 patents)

10. Joseph L Hedrick (1 out of 1 patent)

11. Douglas J Keebler (1 out of 1 patent)

12. Mark L Bruce (1 out of 1 patent)

13. Paul A Bauer, Jr (1 out of 1 patent)

14. Kenneth J Kato (1 out of 4 patents)

16 patents: Sort by Forward Citations

1. 5954954 - Method and apparatus for determination of analyte concentration (1999-09-21),

2. 5866004 - Automated supercritical fluid extraction method and apparatus (1999-02-02),

3. 5861122 - Restrictor orifice for off-line supercritical fluid extraction (1999-01-19),

4. 5750029 - Method and apparatus for determination of analyte concentration (1998-05-12),

5. 5458783 - Supercritical fluid extraction coupled to analytical chromatography (1995-10-17),

6. 5453198 - Method for collecting analyte and an orifice for reducing pressure of a (1995-09-26),

7. 5379790 - Variable restriction (1995-01-10),

8. 5372716 - Supercritical fluid extraction coupled to analytical chromatography (1994-12-13),

9. 5363886 - Apparatus and method for packing particles (1994-11-15),

10. 5316262 - Fluid restrictor apparatus and method for making the same (1994-05-31),

11. 5241998 - Apparatus and method for packing particles (1993-09-07),

12. 5205987 - Off-line supercritical fluid extraction collection system (1993-04-27),

13. 5193991 - Liquefied carbon dioxide pump (1993-03-16),

14. 5116508 - Supercritical fluid extraction from liquids (1992-05-26),

15. 4871453 - Chromatographic separation method and associated apparatus (1989-10-03),

Suprex Corp. is a leading provider of high-quality industrial cleaning solutions. With a strong focus on innovation and sustainability, we offer a range of products and services to help businesses maintain clean and safe working environments. Our team of experienced professionals are dedicated to delivering top-notch cleaning solutions that meet the unique needs of our customers. Visit our website to learn more about how Suprex Corp. can help your business today.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#112 in Pittsburgh, PA

#711 in Pennsylvania

#19,271 in US

#36,634 in the World

Pittsburgh, PA, United States of America

Suprex Corp.

Forward Citations = 578

14 inventors:

Raymond K Houck (8 out of 20 patents)

Douglas J Koebler (5 out of 13 patents)

Mehdi Ashraf-Khorassani (5 out of 5 patents)

4. Glen P Williams (4 out of 11 patents)

5. Joseph M Levy (4 out of 4 patents)

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