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Stora Kopparbergs Bergslags Ab

USPTO Granted Patents = 18

Trademarks = 2

Forward Citations = 142

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21 inventors (with patents filed for the assignee):

Ragnar Bernhard (3 out of 6 patents)

Bjorn Widell (3 out of 12 patents)

Per H Collin (3 out of 12 patents)

4. Bertil Ahlinder (2 out of 2 patents)

5. Bengt G Qvarnstrom (2 out of 5 patents)

6. Erik A Bengtsson (2 out of 2 patents)

7. Sven O Santen (2 out of 33 patents)

8. Sven-Erik Malmeblad (2 out of 2 patents)

9. Hans-Georg Blumenthal (1 out of 1 patent)

10. Håkan Sjöström (1 out of 1 patent)

11. Peter Wickstrom (1 out of 2 patents)

12. Jorgen Dahlin (1 out of 1 patent)

13. Ulf Nyberg (1 out of 1 patent)

14. Per Harald Collin (1 out of 11 patents)

15. Karl-Erik Moren (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 6308485 - Panel and method for mounting the same (2001-10-30),

2. 6221212 - Cardboard having great reigidity (2001-04-24),

3. 6187059 - Shading of paper (2001-02-13),

4. 6033444 - Shading of paper (2000-03-07),

5. 5961781 - Process for recovering heat energy by condensation of vapor and dilution (1999-10-05),

6. 5922420 - Chemically modified wood (1999-07-13),

7. 4692209 - Recovery of chemicals from pulp waste liquor (1987-09-08),

8. 4680136 - Method for preparing compositions which can be used in the production of (1987-07-14),

9. 4601786 - Recovery of chemicals from pulp waste liquor with plasma generator (1986-07-22),

10. 4580354 - Method and device for measuring humidity (1986-04-08),

11. 4481893 - Method and apparatus for automatically handling reusable seedling units (1984-11-13),

12. D273482 - Seedling flat (1984-04-17),

13. 4374663 - Method and apparatus for reducing an iron oxide material in a fluidized (1983-02-22),

14. 4359212 - Apparatus for reducing finely divided iron oxide material (1982-11-16),

15. 4131452 - Method for direct manufacture of crude steel (1978-12-26),

Stora Kopparbergs Bergslags Ab is a Swedish mining and forestry company that has been in operation since the 13th century. They are one of the oldest continually operating companies in the world and are known for their sustainable forestry practices and high-quality products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#2 in Falun

#339 in Sweden

#33,147 in the World

Stora Kopparbergs Bergslags Ab

Forward Citations = 142

21 inventors:

Ragnar Bernhard (3 out of 6 patents)

Bjorn Widell (3 out of 12 patents)

Per H Collin (3 out of 12 patents)

4. Bertil Ahlinder (2 out of 2 patents)

5. Bengt G Qvarnstrom (2 out of 5 patents)

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