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Helsinki, Finland

Valmet Paper Machinery Inc.

USPTO Granted Patents = 227

CIPO Patents = 7

Forward Citations = 2,426

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221 inventors (with patents filed for the assignee):

Rauno Verner Rantanen (13 out of 27 patents)

Juhani Niskanen (11 out of 23 patents)

Jorma Laapotti (9 out of 43 patents)

4. Heikki Ilvespaa (9 out of 16 patents)

5. Vesa Vuorinen (8 out of 16 patents)

6. Michael H Odell (8 out of 21 patents)

7. Antti I Ilmarinen (8 out of 17 patents)

8. Raimo Virta (7 out of 19 patents)

9. Pertti Heikkila (7 out of 15 patents)

10. Markku Lummila (7 out of 9 patents)

11. Allan Liedes (7 out of 13 patents)

12. Olavi Viitanen (7 out of 10 patents)

13. Jukka Salo (7 out of 7 patents)

14. Pekka Koivukunnas (6 out of 38 patents)

15. Reima Kerttula (6 out of 19 patents)

Core Competencies:

Multi-Layer Headbox

Web Stability

Coating Devices

Drying Modules

Press Section

Web Former

Suction Roll

Calendering

Drum Winder

Moisture Regulation

Pulping

Edge Monitoring

227 patents: Sort by Forward Citations

1. 6270624 - Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox (2001-08-07),

2. 6197156 - Press section of a paper machine, in particular for printing paper qualities (2001-03-06),

3. 6099909 - Method and device for coating a size-press roll, paper, or board (2000-08-08),

4. 5827399 - Method and system for regulation and on-line measurement of the fibre (1998-10-27),

5. 5720852 - Method and device for stabilizing the running of a paper web in (1998-02-24),

6. 5681429 - Mixing device in pulping (1997-10-28),

7. 5674364 - Method and device in the regulation of a headbox (1997-10-07),

8. 5674363 - Method and device in the regulation of a headbox (1997-10-07),

9. 5560123 - Method and device for ensuring the run of the web in the multi-cylinder (1996-10-01),

10. 5534116 - Compact press section with closed draw of the web in a paper machine (1996-07-09),

11. 5524360 - Method and device for ventilating pocket spaces in a multi-cylinder (1996-06-11),

12. 5509883 - Tubular roll for a paper machine or equivalent with glide-bearings (1996-04-23),

13. 5509215 - Method and device for stabilization of a paper web in a group of (1996-04-23),

14. 5507223 - Arrangement for coupling extended-nip rolls (1996-04-16),

15. 5505403 - Drum winder and method for drum winding a web (1996-04-09),

Company Overview

Valmet Paper Machinery Inc., headquartered in Helsinki, Finland, specializes in advanced paper machine technology. The company focuses on developing and manufacturing innovative solutions that enhance the efficiency and quality of paper production. Key areas of expertise include multi-layer headboxes, web stability systems, coating devices, and drying modules. Valmet's technology portfolio also encompasses press sections, web formers, suction rolls, and calendering processes, positioning the company as a leader in the paper industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

227 Patents

#7 in Helsinki

#20 in Finland

#3,775 in the World

Helsinki, Finland

Valmet Paper Machinery Inc.

Forward Citations = 2,426

221 inventors:

Rauno Verner Rantanen (13 out of 27 patents)

Juhani Niskanen (11 out of 23 patents)

Jorma Laapotti (9 out of 43 patents)

4. Heikki Ilvespaa (9 out of 16 patents)

5. Vesa Vuorinen (8 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Valmet Paper Machinery Inc.. Retrieved from https://idiyas.com/company/valmet-paper-machinery

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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