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For the Inventor, By the Inventor

Helsinki, Finland

Ahlstrom Corporation


USPTO Granted Patents = 38

% Expired Patents = 23.7



Trademarks = 7

Forward Citations = 257

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73 inventors (with patents filed for the assignee):

goldMedal Roberto Pedoja (5 out of 7 patents)

silverMedal Christine M Stanfel (5 out of 5 patents)

bronzeMedal Menno Dufour (3 out of 5 patents)

4.  Farina Diani Pangestu (3 out of 3 patents)

5.  Joseph Dussaud (3 out of 10 patents)

6.  Rongguo Zhao (2 out of 11 patents)

7.  Reijo Vesala (2 out of 27 patents)

8.  Frank Cousart (2 out of 2 patents)

9.  Alain Domard (2 out of 6 patents)

10.  Noel Cartier (2 out of 3 patents)

11.  Gilles Gauthier (2 out of 2 patents)

12.  Noël Cartier (2 out of 2 patents)

13.  Eliane Espuche (2 out of 2 patents)

14.  Pierre Girard (2 out of 7 patents)

15.  Francois-Pierre Navarre (2 out of 4 patents)


Core Competencies:
Cellulosic Fiber
Nonwoven Fabric
Filtration Media
Adhesive Tapes
Water-Hydrocarbon Emulsions
Reinforcement
Separation Media
Medical Fabric
Chitosan Coating
Gas Filtration
Pollution Removal
Dimensional Stability

38 patents:

1. 10370797 - Cellulosic fiber-based substrate, method of production and use as a substrate for adhesive tapes (2019-08-06),
2. 9714478 - Unidirectional reinforcement and a method of producing a unidirectional reinforcement (2017-07-25),
3. 9662600 - High efficiency and high capacity glass-free fuel filtration media and fuel filters and methods employing the same (2017-05-30),
4. 9656195 - Coalescence media for separation of water-hydrocarbon emulsions (2017-05-23),
5. 9505193 - Stitched unidirectional or multi-axial reinforcement and a method of producing the same (2016-11-29),
6. 9492775 - Air filtration media, media constructions and methods (2016-11-15),
7. 9441327 - Dimensionally stable paper and production method thereof (2016-09-13),
8. 9353480 - Sterilizable and printable nonwoven packaging materials (2016-05-31),
9. 9290877 - Method of making glazed nonwoven fabric (2016-03-22),
10. 8962128 - Nonwoven substrate for joint tape and joint tape that is dimensionally stable and foldable without losing mechanical strength containing said substrate (2015-02-24),
11. 8871342 - Cellulose fibre-based support containing a modified PVA layer-method for production and use (2014-10-28),
12. 8833567 - Coalescence media for separation of water-hydrocarbon emulsions (2014-09-16),
13. 8747668 - Separation media for separating water-hydrocarbon emulsions having low interfacial tensions (2014-06-10),
14. 8597555 - Method for manufacturing soft, resistant and bulky nonwoven and nonwoven thus obtained (2013-12-03),
15. 8524081 - Separation modules including media for separating water-hydrocarbon emulsions having low interfacial tensions (2013-09-03),
Ahlstrom Corporation 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. With a strong emphasis on sustainability, Ahlstrom focuses on creating environmentally friendly solutions that meet the evolving needs of its customers. Headquartered in Helsinki, Finland, Ahlstrom operates in multiple regions, leveraging advanced technologies to enhance performance and efficiency across its product offerings.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

38 Patents

#35 in Helsinki

#99 in Finland

#17,831 in the World

Helsinki, FI
Helsinki, Finland

Ahlstrom Corporation

Forward Citations = 257

73 inventors:

goldMedal Roberto Pedoja (5 out of 7 patents)

silverMedal Christine M Stanfel (5 out of 5 patents)

bronzeMedal Menno Dufour (3 out of 5 patents)

4.  Farina Diani Pangestu (3 out of 3 patents)

5.  Joseph Dussaud (3 out of 10 patents)

Please report any incorrect information to [email protected]
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