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Glens Falls, NY, United States of America

Andritz-Ahlstrom Inc.

USPTO Granted Patents = 28

% Expired Patents = 7.1

Trademarks = 1

Forward Citations = 221

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31 inventors (with patents filed for the assignee):

C Bertil Stromberg (9 out of 47 patents)

J Robert Prough (9 out of 52 patents)

Bruno S Marcoccia (6 out of 36 patents)

4. Rolf C Ryham (6 out of 35 patents)

5. R Fred Chasse (6 out of 18 patents)

6. Jerry R Johanson (5 out of 37 patents)

7. Richard O Laakso (5 out of 21 patents)

8. Joseph R Phillips (4 out of 39 patents)

9. Jan T Richardsen (3 out of 15 patents)

10. Auvo K Kettunen (2 out of 9 patents)

11. David J Lebel (2 out of 2 patents)

12. Jay K Sheerer (2 out of 7 patents)

13. Todd S Grace (2 out of 2 patents)

14. Kaj Henricson (2 out of 63 patents)

15. Lasse Hernesniemi (1 out of 6 patents)

Core Competencies:

Cellulose Pulp

Gas Release Minimization

Heat Recovery

Dissolved Solids

Pulping Process

Continuous Digester

Comminuted Fibrous Material

Tramp Material Removal

Screw Feeder

Pressure Control

Additives Treatment

Energy Recovery

28 patents: Sort by Forward Citations

1. 6375795 - Minimization of malodorous gas release from a cellulose pulp mill feed system (2002-04-23),

2. 6346167 - Dissolved solids control in pulp production (2002-02-12),

3. 6346166 - Flash tank steam economy improvement (2002-02-12),

4. 6344112 - Screen having inclined slots for a digester (2002-02-05),

5. 6336993 - Metal removal from comminuted fibrous material during feeding (2002-01-08),

6. 6336573 - Hopper, or bin, screw feeder construction controlling discharge velocity profile (2002-01-08),

7. 6332542 - Tramp material removal from pulp feed system (2001-12-25),

8. 6325890 - Feeding comminuted fibrous material (2001-12-04),

9. 6325888 - Method for pulping sawdust (2001-12-04),

10. 6315128 - Tramp material removal from pulp feed systems (2001-11-13),

11. 6306252 - Heat recovery from spent digester cooking liquor (2001-10-23),

12. 6284095 - Minimization of malodorous gas release from a cellulose pulp mill feed system (2001-09-04),

13. 6280575 - Frusto-conical outlet for a cellulose material treatment vessel (2001-08-28),

14. 6280569 - Compression rings for column relief in continuous cooking vessels (2001-08-28),

15. 6280568 - Dissolved organic material control in a cellulose pulp continuous digester (2001-08-28),

Company Overview

Andritz-Ahlstrom Inc., located in Glens Falls, NY, specializes in the development and manufacturing of advanced filtration and separation technologies. The company focuses on providing innovative solutions for various industries, including pulp and paper, water treatment, and food processing. With a commitment to sustainability and efficiency, Andritz-Ahlstrom leverages cutting-edge research and technology to enhance product performance and environmental stewardship, serving clients across North America and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

28 Patents

#5 in Glens Falls, NY

#725 in New York

#12,013 in US

#23,285 in the World

Glens Falls, NY, United States of America

Andritz-Ahlstrom Inc.

Forward Citations = 221

31 inventors:

C Bertil Stromberg (9 out of 47 patents)

J Robert Prough (9 out of 52 patents)

Bruno S Marcoccia (6 out of 36 patents)

4. Rolf C Ryham (6 out of 35 patents)

5. R Fred Chasse (6 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Andritz-Ahlstrom Inc.. Retrieved from https://idiyas.com/company/andritz-ahlstrom

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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