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Finspang, Sweden

Abb Stal Ab

USPTO Granted Patents = 42

Forward Citations = 183

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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:

Flow Machines

Valve Devices

Steam Turbines

Fluidized Bed Combustion

Gas Turbines

Power Plant Design

Pneumatic Transport Systems

Temperature Control

Cooling Systems

Energy Efficiency

Metal Alloy Treatment

Combustion Technology

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),

ABB Stal AB is a global company that specializes in manufacturing and supplying electrical transformers, generators, and substation equipment. With over 100 years of expertise, ABB Stal is a trusted and reliable partner for power industries worldwide. They offer a wide range of high-quality products and solutions to meet the demands of various power generation and distribution applications.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

42 Patents

#1 in Finspang

#157 in Sweden

#15,867 in the World

Finspang, Sweden

Abb Stal Ab

Forward Citations = 183

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)

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