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Lyngby, Denmark

Haldor Topsoe A/s

USPTO Granted Patents = 440

% Expired Patents = 18.0

CIPO Patents = 36

EPO Patents = 30

Trademarks = 3

Forward Citations = 2,779

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373 inventors (with patents filed for the assignee):

Poul Erik Højlund Nielsen (23 out of 36 patents)

Sven Ivar Hommeltoft (21 out of 93 patents)

Kim Aasberg-Petersen (19 out of 47 patents)

4. Peter C Schoubye (18 out of 20 patents)

5. Thomas Sandahl Christensen (16 out of 25 patents)

6. Finn H Joensen (16 out of 23 patents)

7. Niklas Bengt Jakobsson (15 out of 21 patents)

8. Keld Johansen (15 out of 19 patents)

9. Ivar Ivarsen Primdahl (15 out of 16 patents)

10. Per Juul Dahl (14 out of 23 patents)

11. Claus J H Jacobsen (14 out of 14 patents)

12. John Bøgild Hansen (13 out of 22 patents)

13. Peter Seier Christensen (13 out of 16 patents)

14. Jens-Henrik Bak Hansen (12 out of 13 patents)

15. Esben Taarning (11 out of 25 patents)

Core Competencies:

Methanol

Ammonia

Catalysts

Hydroprocessing

Gas Cleaning

Reactor Design

Synthesis Gas

Hydrogen Production

Exhaust Gas

Biogas Streams

Chemical Reactor

Oxygen Removal

440 patents: Sort by Forward Citations

1. 11279893 - Method for the hydroprocessing of renewable feeds (2022-03-22),

2. 11247955 - Process for the preparation of methanol (2022-02-15),

3. 11179674 - Process for the removal of dinitrogen oxide in process off-gas (2021-11-23),

4. 11161084 - Cooled axial flow converter (2021-11-02),

5. 11130681 - Co-production of methanol and ammonia (2021-09-28),

6. 11130680 - Co-production of methanol, ammonia and urea (2021-09-28),

7. 11124424 - Process for the co-production of methanol and ammonia in parallel (2021-09-21),

8. 11124423 - Ammonia process using advanced shift process (2021-09-21),

9. 11117851 - Reactor layout for methanol production from low quality synthesis gas (2021-09-14),

10. 11117809 - Method for start-up heating of an ammonia synthesis converter (2021-09-14),

11. 11088372 - Contact between interconnect and cell in solid oxide cell stacks (2021-08-10),

12. 11078131 - Fuel cell reactor and a process for direct conversion of a hydrocarbon-containing gas to a higher hydrocarbons product (2021-08-03),

13. 11077431 - Bifunctional catalyst comprising phosphorous (2021-08-03),

14. 11065591 - Method and reactor for performing exothermic reactions (2021-07-20),

15. 11060036 - Process for the conversion of oxygenates to C5+ hydrocarbons boiling in the gasoline boiling range (2021-07-13),

Company Overview

Haldor Topsoe A/S, headquartered in Lyngby, Denmark, is a leading provider of advanced catalyst technologies and process solutions for the production of methanol and ammonia. The company specializes in areas such as hydroprocessing, gas cleaning, and reactor design, focusing on enhancing efficiency and sustainability in chemical production. With a strong emphasis on innovation, Haldor Topsoe develops cutting-edge technologies for synthesis gas and hydrogen production, contributing to the global transition towards cleaner energy solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

440 Patents

#1 in Lyngby

#11 in Denmark

#2,163 in the World

Lyngby, Denmark

Haldor Topsoe A/s

Forward Citations = 2,779

373 inventors:

Poul Erik Højlund Nielsen (23 out of 36 patents)

Sven Ivar Hommeltoft (21 out of 93 patents)

Kim Aasberg-Petersen (19 out of 47 patents)

4. Peter C Schoubye (18 out of 20 patents)

5. Thomas Sandahl Christensen (16 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haldor Topsoe A/s. Retrieved from https://idiyas.com/company/haldor-topsoe-a-s

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]

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