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Finspang, Sweden

Abb Stal Ab

USPTO Granted Patents = 42

Forward Citations = 184

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38 inventors (with patents filed for the assignee):

Roine Brannstrom (7 out of 28 patents)

Ragnar Ekbom (4 out of 6 patents)

Lennart Hjalmarsson (3 out of 4 patents)

4. Krishna K Pillai (3 out of 3 patents)

5. Karl-Erik Andersson (2 out of 3 patents)

6. Arne Jonsson (2 out of 7 patents)

7. Antal Molnar (2 out of 3 patents)

8. Martin Mangnsson (2 out of 2 patents)

9. Ragnar Torstenfelt (2 out of 8 patents)

10. Dilip Mukherjee (1 out of 5 patents)

11. Ben Kyrklund (1 out of 4 patents)

12. Frank Schliephacke (1 out of 2 patents)

13. Lars Källberg (1 out of 1 patent)

14. Lars Kallberg (1 out of 1 patent)

15. Peter D Hartevelt (1 out of 1 patent)

Core Competencies:

Fluidized Bed

Power Plant

Steam Turbine

Combustor

Control System

Heat Exchanger

Gas Turbine

Pneumatic Transport

Sulphur Absorbent

Cooling Method

Valve Device

Temperature Control

42 patents: Sort by Forward Citations

1. 6231304 - Outlet device for a flow machine (2001-05-15),

2. 6192930 - Valve device (2001-02-27),

3. 6162013 - Steam turbine (2000-12-19),

4. 5971018 - Valve device for influencing an overpressurized flow of media (1999-10-26),

5. 5564897 - Axial turbo-machine assembly with multiple guide vane ring sectors and a (1996-10-15),

6. 5544596 - Method of supplying coal and sulphur absorbent to a combustor and a (1996-08-13),

7. 5464318 - Control system for extraction and injection of steam from and into a (1995-11-07),

8. 5347936 - Method and a device for preheating a fluidized bed (1994-09-20),

9. 5335630 - Method and device for controlling the power output during combustion in (1994-08-09),

10. 5315816 - Method and device for temperature control in a combustion plant (1994-05-31),

11. 5297622 - Method for cooling of dust separated from the flue gases from a PFBC (1994-03-29),

12. 5244285 - Hydrostatically mounted squeeze film damper (1993-09-14),

13. 5241863 - Buffer volume (1993-09-07),

14. 5234661 - Method for manufacturing rings or discs having a blade or vane rim (1993-08-10),

15. 5193337 - Method for operating gas turbine unit for combined production of (1993-03-16),

Company Overview

Abb Stal Ab, located in Finspang, Sweden, specializes in advanced technologies for energy production and fluid management. The company focuses on the development and manufacturing of flow machines, valve devices, steam turbines, and gas turbines, contributing to efficient power plant design and operation. Additionally, Abb Stal Ab is involved in fluidized bed combustion and pneumatic transport systems, enhancing temperature control and optimizing energy processes in various industrial applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

42 Patents

#2 in Finspang

#168 in Sweden

#16,374 in the World

Finspang, Sweden

Abb Stal Ab

Forward Citations = 184

38 inventors:

Roine Brannstrom (7 out of 28 patents)

Ragnar Ekbom (4 out of 6 patents)

Lennart Hjalmarsson (3 out of 4 patents)

4. Krishna K Pillai (3 out of 3 patents)

5. Karl-Erik Andersson (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Abb Stal Ab. Retrieved from https://idiyas.com/company/abb-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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