% Expired Patents = 14.3

EPO Patents = 19

Trademarks = 1

Forward Citations = 2

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13 inventors (with patents filed for the assignee):

Stuart Leflay (2 out of 2 patents)

Francis Charre (1 out of 4 patents)

Nigel Denton (1 out of 1 patent)

4. Daniel Hague (1 out of 1 patent)

5. Adrian Hetherington (1 out of 1 patent)

6. Paul Mark Geach (1 out of 1 patent)

7. Yves Guillot (1 out of 3 patents)

8. Bernard Rossigneux (1 out of 11 patents)

9. Philip Round (1 out of 2 patents)

10. Philip Lawlor (1 out of 1 patent)

11. Rhodri Evans (1 out of 1 patent)

12. Tom Rodgers (1 out of 1 patent)

13. Michal Walczak (1 out of 1 patent)

14. Martin Philipson (1 out of 1 patent)

15. Michael Trevor Clark (7 patents)

7 patents: Sort by Forward Citations

1. 12741305 - Rolling mill stand and method of changing a work roll assembly thereof (2026-09-22),

2. 11986872 - Method of controlling a roll gap in a rolling mill (2024-05-21),

3. 10421107 - Roller table apparatus and method of using roller table apparatus (2019-09-24),

4. 10184516 - Bearing system and method (2019-01-22),

5. 9908188 - Variable rake shear (2018-03-06),

6. 9868998 - Method and apparatus for supplying blast to a blast furnace (2018-01-16),

7. 8991231 - Roll stand (2015-03-31),

Company Overview

Primetals Technologies is a leading engineering, plant-building and lifecycle partner for the metals industry. The company offers innovative and sustainable solutions in the areas of iron and steelmaking, casting, automation, digitalization, and environmental protection. With a global presence, Primetals Technologies serves customers in over 60 countries, delivering cutting-edge technology and expertise to improve operational efficiency and sustainability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#169 in

#2,340 in United Kingdom

GB

Primetals Technologies, Limited

Forward Citations = 2

13 inventors:

Stuart Leflay (2 out of 2 patents)

Francis Charre (1 out of 4 patents)

Nigel Denton (1 out of 1 patent)

4. Daniel Hague (1 out of 1 patent)

5. Adrian Hetherington (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Primetals Technologies, Limited. Retrieved from https://idiyas.com/company/primetals-technologies

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]

19 patents (EPO):

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]