For the Inventor, By the Inventor

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Middletown, OH, United States of America

Thermo Black Clawson Inc.

USPTO Granted Patents = 11

Forward Citations = 58

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16 inventors (with patents filed for the assignee):

John J Egan, Iii (3 out of 11 patents)

Christopher E McCarthy (3 out of 4 patents)

Peter Seifert (2 out of 29 patents)

4. Christopher M Vitori (2 out of 6 patents)

5. David E Chupka (1 out of 30 patents)

6. Christopher L Demler (1 out of 8 patents)

7. Clinton R Parks (1 out of 5 patents)

8. John J Pimley (1 out of 3 patents)

9. David C Grantz (1 out of 2 patents)

10. Don L Scott (1 out of 2 patents)

11. Albert S Kelly (1 out of 1 patent)

12. William J Fondow (1 out of 2 patents)

13. Gary S Williamson (1 out of 3 patents)

14. Gary N Prentice (1 out of 1 patent)

15. Ralph E Locke (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 6348130 - Variable pressure screening (2002-02-19),

2. 6193073 - Paper stock screening apparatus and method (2001-02-27),

3. 6190438 - Mist eliminator (2001-02-20),

4. 6155427 - Zoned pressure screen (2000-12-05),

5. 6120648 - Apparatus for pulping and deinking (2000-09-19),

6. 6105788 - Composite screen (2000-08-22),

7. 6053439 - Reducing wax content and enhancing quality of recycled pulp from OCC and (2000-04-25),

8. 6003683 - Forward or reverse hydrocyclone systems and methods (1999-12-21),

9. 5947394 - Paper pulp refiner control system and method (1999-09-07),

10. 5938926 - Extended dwell reverse hydrocyclone cleaner (1999-08-17),

11. 5769243 - Through-flow cleaner with improved inlet section (1998-06-23),

Thermo Black Clawson Inc. is a leading manufacturer of equipment for the pulp and paper industry. With over 100 years of experience, the company offers a wide range of products including pulpers, refiners, screens, and cleaners. Thermo Black Clawson is known for its innovative solutions and commitment to quality, making them a trusted partner for paper mills around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#6 in Middletown, OH

#1,100 in Ohio

#26,680 in US

#50,159 in the World

Middletown, OH, United States of America

Thermo Black Clawson Inc.

Forward Citations = 58

16 inventors:

John J Egan, Iii (3 out of 11 patents)

Christopher E McCarthy (3 out of 4 patents)

Peter Seifert (2 out of 29 patents)

4. Christopher M Vitori (2 out of 6 patents)

5. David E Chupka (1 out of 30 patents)

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