% 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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#5 in Karlskoga

#811 in Sweden

Karlskoga, Sweden

Chematur Engineering Ab

Forward Citations = 75

16 inventors:

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chematur Engineering Ab. Retrieved from https://idiyas.com/company/chematur-engineering-ab

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]