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Helsinki, Finland

Valmet Paper Machinery Inc.

USPTO Granted Patents = 227

CIPO Patents = 7

Forward Citations = 2,415

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230 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

Press Section

Coating Device

Paper Web Stabilization

Drum Winder

Drying Module

Suction Element

Adjustable Crown Roll

Calendering Process

Web Former

Pulping Technology

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),

Valmet Paper Machinery Inc. is a global leader in the pulp and paper industry. With a wide range of products and services, Valmet offers complete papermaking solutions to customers worldwide. Their expertise lies in providing innovative and sustainable solutions for pulp, paper, and energy production. Equipped with cutting-edge technology, Valmet's machinery allows for efficient and high-quality paper production, helping their customers optimize their operations. Through continuous research and development, Valmet remains at the forefront of the industry, driving innovation and enabling sustainable growth in the papermaking sector.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

227 Patents

#8 in Helsinki

#17 in Finland

#3,655 in the World

Helsinki, Finland

Valmet Paper Machinery Inc.

Forward Citations = 2,415

230 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)

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