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Asea Stal Ab

USPTO Granted Patents = 21

Forward Citations = 181

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18 inventors (with patents filed for the assignee):

Roine Brannstrom (8 out of 28 patents)

Jorgen Bergkvist (3 out of 6 patents)

Ragnar Ekbom (2 out of 6 patents)

4. Martin Mansson (2 out of 11 patents)

5. Roland Sandstrom (2 out of 8 patents)

6. Mats Olsson (2 out of 2 patents)

7. Ben Kyrklund (1 out of 4 patents)

8. Ragnar Henriksson (1 out of 1 patent)

9. Roland Egnell (1 out of 1 patent)

10. Henrik Harboe (1 out of 4 patents)

11. Svante Stenfors (1 out of 1 patent)

12. Leopold Malmkvist (1 out of 2 patents)

13. Arne Jonsson (1 out of 7 patents)

14. Roine Brannstroom (1 out of 1 patent)

15. Bert Kallman (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 4897908 - Method of attaching tubes in a tube plate in a heat exchanger (1990-02-06),

2. 4893466 - Method of operating a gas turbine unit (1990-01-16),

3. 4860693 - Method in fluidized bed combustion (1989-08-29),

4. 4855103 - Method for manufacturing metallic products from powder by hot isostatic (1989-08-08),

5. 4848276 - Fluidized bed power plant with bed material crusher (1989-07-18),

6. 4820484 - Method in producing a molding of an iron alloy (1989-04-11),

7. 4805405 - Power plant with combustion of a fuel in a fluidized bed (1989-02-21),

8. 4802796 - Pressure-reducing device for particulate material (1989-02-07),

9. 4782771 - Method of reducing the content of nitrogen oxides in multiple bed (1988-11-08),

10. 4767243 - Pneumatic conveying system with directional change of a gas/particulate (1988-08-30),

11. 4730452 - Power plant with a combustion chamber with combustion in a fluidized bed (1988-03-15),

12. 4655147 - Plant for the combustion of particulate fuel in a fluidized bed (1987-04-07),

13. 4650413 - Method and apparatus for activating fluids (1987-03-17),

14. 4640205 - Method of drying granular fuel in a fluidized bed combustion plant and a (1987-02-03),

15. 4619562 - Pneumatic transportation system for powdered or granular material with a (1986-10-28),

Asea Stal Ab is a leading manufacturer and supplier of steel products in Sweden. With over 50 years of experience, the company offers a wide range of high-quality steel products for various industries, including construction, engineering, and manufacturing. Asea Stal Ab is committed to providing its customers with innovative solutions and exceptional service to meet their needs and exceed their expectations.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#17 in

#29 in Sweden

#29,893 in the World

Asea Stal Ab

Forward Citations = 181

18 inventors:

Roine Brannstrom (8 out of 28 patents)

Jorgen Bergkvist (3 out of 6 patents)

Ragnar Ekbom (2 out of 6 patents)

4. Martin Mansson (2 out of 11 patents)

5. Roland Sandstrom (2 out of 8 patents)

Please report any incorrect information to [email protected]

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