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Valmet Oy

USPTO Granted Patents = 216

CIPO Patents = 1

Trademarks = 1

Forward Citations = 2,769

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158 inventors (with patents filed for the assignee):

Matti Kankaanpaa (16 out of 20 patents)

Jorma Laapotti (11 out of 43 patents)

Erkki Koski (10 out of 13 patents)

4. Pekka Eskelinen (9 out of 15 patents)

5. Vaino Sailas (7 out of 10 patents)

6. Matti Kankaanpaa (6 out of 6 patents)

7. Martti Koponen (6 out of 6 patents)

8. Matti Verkasalo (6 out of 6 patents)

9. Jouni Koskimies (5 out of 7 patents)

10. Alvi Kirjavainen (5 out of 6 patents)

11. Timo Vedenpaa (5 out of 5 patents)

12. Reima Kerttula (5 out of 5 patents)

13. Martti Pullinen (5 out of 5 patents)

14. Erkki Ilmoniemi (4 out of 6 patents)

15. Juhani Niskanen (4 out of 23 patents)

Core Competencies:

Paper Machine

Web Forming

Coating Methods

Press Sections

Dewatering

Adjustable Crown Roll

Drying Section

Microporous Plate

Suction Roll

Fiber Orientation

Twin-Wire Former

Web Reel-Up

216 patents: Sort by Forward Citations

1. 5069394 - Drive unit for the reel-up of a paper machine or paper finishing machine (1991-12-03),

2. 5015495 - Method for wet painting or powder coating (1991-05-14),

3. 5009016 - Method for on-machine coating-drying of a paper web or the like (1991-04-23),

4. 4976821 - Press section with separate press zones in a paper machine (1990-12-11),

5. 4931143 - Press section with separate press nips in a paper machine (1990-06-05),

6. 4892622 - Method for resisting formation of undulations in a fiber/water mixture (1990-01-09),

7. 4863656 - Microporous plate and method for manufacturing the same and suction (1989-09-05),

8. 4856204 - Microporous plate and method for manufacturing the same and suction (1989-08-15),

9. 4856161 - Press roll (1989-08-15),

10. 4856159 - Spreader roll or equivalent for fabric in paper machine and method for (1989-08-15),

11. 4856158 - Spreader roll or equivalent for a fabric in a paper machine, and method (1989-08-15),

12. 4856155 - Method and device in an adjustable-crown roll (1989-08-15),

13. 4856154 - Method and device in an adjustable crown roll (1989-08-15),

14. 4854052 - Floater radiation dryer (1989-08-08),

15. 4832794 - Method and apparatus for compensating deflection of a lip beam in a (1989-05-23),

Company Overview

Valmet Oy is a leading global developer and supplier of technologies and services for the pulp, paper, and energy industries. Headquartered in Finland, the company specializes in paper machine technology, focusing on innovative solutions for web forming, coating methods, and dewatering processes. Valmet's expertise extends to press sections, adjustable crown rolls, and drying sections, enhancing efficiency and sustainability in paper production. The company is committed to advancing the industry through continuous research and development in its core technology domains.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

216 Patents

#1 in

#22 in Finland

#3,968 in the World

Valmet Oy

Forward Citations = 2,769

158 inventors:

Matti Kankaanpaa (16 out of 20 patents)

Jorma Laapotti (11 out of 43 patents)

Erkki Koski (10 out of 13 patents)

4. Pekka Eskelinen (9 out of 15 patents)

5. Vaino Sailas (7 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Valmet Oy. Retrieved from https://idiyas.com/company/valmet-oy

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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