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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),

Company Overview

Asea Stal AB is a prominent player in the field of electrical engineering, specializing in the development and manufacturing of advanced electrical equipment and systems. The company focuses on providing innovative solutions for power generation, distribution, and industrial applications. With a strong emphasis on research and technology, Asea Stal AB is dedicated to enhancing efficiency and sustainability in energy management. Operating primarily in Sweden, the company serves a diverse range of industries, contributing to the advancement of electrical infrastructure and technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#17 in

#29 in Sweden

#30,001 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asea Stal Ab. Retrieved from https://idiyas.com/company/asea-stal-ab

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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