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Helsinki, Finland

Ahlstrom Oyj

USPTO Granted Patents = 24

EPO Patents = 13

Trademarks = 7

Forward Citations = 4

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61 inventors (with patents filed for the assignee):

Hervé Planchard (5 out of 7 patents)

Mireille Roux (5 out of 5 patents)

Florence Vidal (5 out of 5 patents)

4. Jesse Shim (4 out of 6 patents)

5. Valerio Miozzo (3 out of 3 patents)

6. Kevin Kim (2 out of 4 patents)

7. Ryan Kwon (2 out of 4 patents)

8. Thierry Mayade (2 out of 3 patents)

9. David Alan Topolenski (2 out of 3 patents)

10. Emmanuel Faynot (1 out of 3 patents)

11. Marc Berlioz (1 out of 3 patents)

12. Samuel Merlet (1 out of 3 patents)

13. Claude Leclercq (1 out of 8 patents)

14. Kevin R Schouweiler (1 out of 6 patents)

15. Kent Williamson (1 out of 5 patents)

24 patents: Sort by Forward Citations

1. 12728374 - Flue gas filtration media (2026-09-08),

2. 12692067 - Compostable lid intended to seal a capsule and a capsule sealed by the lid (2026-07-28),

3. 12626836 - Electrical insulation paper (2026-05-12),

4. 12589342 - Filter sheet media and method for manufacturing a filter sheet media (2026-03-31),

5. 12588777 - Paper aimed at forming a u-straw (2026-03-31),

6. 12569175 - Blood components collection and separation media, blood components collection and separation device comprising said media, and blood components separation and extraction process implementing said media (2026-03-10),

7. 12539478 - Filter medium and a use thereof (2026-02-03),

8. 12420537 - Breathable cleanroom barrier fabric (2025-09-23),

9. 12344459 - Compostable lid comprising an oxygen barrier layer for sealing a capsule and capsule sealed by the lid (2025-07-01),

10. 12304765 - Method and apparatus for folding a stack of sheets (2025-05-20),

11. 12162659 - Compostable lid for sealing a capsule and a capsule sealed by the lid (2024-12-10),

12. 12146267 - Compostable cellulose-based paper for gas barrier in packaging material (2024-11-19),

13. 12134053 - Filtration media especially useful for filtering fluids associated with wire electron discharge machining (WEDM) processes (2024-11-05),

14. 12122677 - Method of manufacturing a graphene/graphehe oxide layer and a graphene/graphehe oxide-coated support (2024-10-22),

15. 12122174 - Transfer paper for sublimation printing (2024-10-22),

Ahlstrom Oyj is a global leader in fiber-based materials, specializing in innovative solutions for various industries. The company develops and manufactures a wide range of products, including filtration materials, medical fabrics, and specialty papers. Ahlstrom's expertise lies in advanced materials technology, focusing on sustainability and performance. With a strong presence in multiple markets, the company is committed to delivering high-quality solutions that meet the evolving needs of its customers worldwide.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

24 Patents

#51 in Helsinki

#145 in Finland

#26,628 in the World

Helsinki, Finland

Ahlstrom Oyj

Forward Citations = 4

61 inventors:

Hervé Planchard (5 out of 7 patents)

Mireille Roux (5 out of 5 patents)

Florence Vidal (5 out of 5 patents)

4. Jesse Shim (4 out of 6 patents)

5. Valerio Miozzo (3 out of 3 patents)

Please report any incorrect information to [email protected]

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