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Stockholm, Sweden

Svenska Traforskningsinstitutet

USPTO Granted Patents = 30

Forward Citations = 297

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53 inventors (with patents filed for the assignee):

Hakan I Karlsson (5 out of 5 patents)

Jan G Pettersson (3 out of 3 patents)

Gerdt H Fladda (3 out of 3 patents)

4. Stefan M Hartog (3 out of 3 patents)

5. Tom S Lindstrom (2 out of 2 patents)

6. Inge J Lundqvist (2 out of 2 patents)

7. Ingvar Johansson (2 out of 5 patents)

8. Bernt H Hollmark (2 out of 2 patents)

9. Torbjorn Herngren (2 out of 3 patents)

10. Thomas L Stman (2 out of 2 patents)

11. Leif Eriksson (1 out of 2 patents)

12. Karl-Erik Eriksson (1 out of 1 patent)

13. Susanna C Johnsrud (1 out of 1 patent)

14. Thorulf Pettersson (1 out of 2 patents)

15. Gerdt Fladda (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 4935366 - Method of obtaining cellulase deficient strains of white-rot fungi (1990-06-19),

2. 4874467 - Method of controlling cross profile of properties of paper web (1989-10-17),

3. 4824523 - Method of making paper with high filler content (1989-04-25),

4. 4806014 - Method for measuring size distribution (1989-02-21),

5. 4786365 - Process of making cellulose pulp with a sulphite cooking liquor (1988-11-22),

6. 4775307 - Apparatus for producing layers of dry fibres on a forming surface (1988-10-04),

7. 4690634 - Method of measuring dry substance in flue gases (1987-09-01),

8. 4689988 - Device for separately measuring particles in a suspension (1987-09-01),

9. 4683841 - Control of a black liquor recovery boiler (1987-08-04),

10. 4655093 - Web tension measuring method and device (1987-04-07),

11. 4624819 - Method for producing layers of dry fibres on a forming surface (1986-11-25),

12. 4529309 - Method for determining the average radius and/or the average length of (1985-07-16),

13. 4514257 - Method of measuring fines in pulp suspensions (1985-04-30),

14. 4448818 - Method and apparatus for applying liquid to a moving surface (1984-05-15),

15. 4420256 - Dust measurement (1983-12-13),

Svenska Traforskningsinstitutet (VTI) is the Swedish National Road and Transport Research Institute. VTI conducts research and development in the field of road and transport, contributing to safe, sustainable, and efficient transportation systems. With a focus on innovation, VTI provides expertise and support to public authorities, industry, and society in areas such as traffic safety, infrastructure planning, environmental impact, and mobility. For more information about Svenska Traforskningsinstitutet, please visit their website.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

30 Patents

#31 in Stockholm

#207 in Sweden

#21,191 in the World

Stockholm, Sweden

Svenska Traforskningsinstitutet

Forward Citations = 297

53 inventors:

Hakan I Karlsson (5 out of 5 patents)

Jan G Pettersson (3 out of 3 patents)

Gerdt H Fladda (3 out of 3 patents)

4. Stefan M Hartog (3 out of 3 patents)

5. Tom S Lindstrom (2 out of 2 patents)

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