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% Expired Patents = 14.3

Trademarks = 1

Forward Citations = 75

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16 inventors (with patents filed for the assignee):

Lars Berhil Stenmark (3 out of 4 patents)

Roy N McBrayer, Jr (3 out of 13 patents)

Anders Gidner (2 out of 2 patents)

4. Lars Henning Tidlund (2 out of 2 patents)

5. James M Eller (2 out of 6 patents)

6. Richard D Peacock (2 out of 2 patents)

7. Walter H Stanton (2 out of 3 patents)

8. John S Barber (2 out of 11 patents)

9. Fred Applegath (2 out of 3 patents)

10. Gordon H Lovett, Deceased (2 out of 2 patents)

11. Brian Harrison (1 out of 8 patents)

12. Simon Collard (1 out of 2 patents)

13. Richard W Humphries (1 out of 1 patent)

14. Jos A Boere (1 out of 1 patent)

15. Soren Abrahamsson (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7122167 - Precious metal recovery from organics-precious metal compositions with supercritical water reactant (2006-10-17),

2. 6958122 - High pressure and high temperature reaction system (2005-10-25),

3. 6171509 - Method and apparatus for treating salt streams (2001-01-09),

4. 6121179 - Supercritical treatment of adsorbent materials (2000-09-19),

5. 6017460 - Heating and reaction system and method using recycle reactor (2000-01-25),

6. 6001243 - Heating and reaction system and method using recycle reactor (1999-12-14),

7. 5693853 - Phosgenation method (1997-12-02),

Chematur Engineering AB is a global engineering company specializing in process technologies for the chemical, petrochemical, and bio-refinery industries. With over 30 years of experience, Chematur offers innovative solutions for process design, equipment supply, and project management. Their expertise lies in areas such as hydrogenation, fermentation, and refining, providing sustainable and cost-effective solutions for their clients.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

7 Patents

#5 in Karlskoga

#811 in Sweden

Karlskoga, Sweden

Chematur Engineering Ab