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For the Inventor, By the Inventor

Finspang, Sweden

Stal-Laval Turbin Ab

Calculating rank
USPTO Granted Patents = 50

Forward Citations = 486

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53 inventors (with patents filed for the assignee):

goldMedal Martin Mansson (6 out of 11 patents)

silverMedal Ragnar Torstenfelt (6 out of 8 patents)

bronzeMedal Anders Kullendorff (6 out of 6 patents)

4.  Roine Brannstrom (5 out of 28 patents)

5.  Jan Wikner (4 out of 4 patents)

6.  Hans-Erik Hansson (3 out of 4 patents)

7.  Tyge Vind (2 out of 2 patents)

8.  Lars Norberg (2 out of 2 patents)

9.  Pehr Borjesgard (2 out of 2 patents)

10.  Rolf Wikstrom (2 out of 2 patents)

11.  Jorgen Bergkvist (2 out of 6 patents)

12.  Sven-Erik Kreij (2 out of 2 patents)

13.  Renzo Cetrelli (1 out of 3 patents)

14.  Gunnar Kylberg (1 out of 1 patent)

15.  Ulf Sodergren (1 out of 1 patent)


Core Competencies:
Fluidized Bed
Gas Turbine
Combustion Chamber
Rotary Machines
Pressure Measurement
Turbo-Machine
Energy Source
Multi-Stage Turbine
Protective Coating
Hydraulic Servo System
Back Pressure Turbine
Control Valve

50 patents:

1. 4604050 - Method of cleaning nozzles in a fluidized bed (1986-08-05),
2. 4552529 - Device for pressure measurement in a pressurized container (1985-11-12),
3. 4498286 - Gas turbine plant with a fluidized bed combustion chamber (1985-02-12),
4. 4498285 - Gas turbine plant with a fluidized bed combustion chamber (1985-02-12),
5. 4445259 - Method of manufacturing bladed elements for rotary fluid machines (1984-05-01),
6. 4427364 - Fluidizable bed combustion chamber (1984-01-24),
7. 4421989 - Power plant with a gas turbine for operation of a generator (1983-12-20),
8. 4421036 - Plant for the combustion of impure solid fuel (1983-12-20),
9. 4378206 - Fluidized bed combustion apparatus and method of operation (1983-03-29),
10. 4360349 - Marine transmission (1982-11-23),
11. 4338074 - Fluidized bed combustion chambers (1982-07-06),
12. 4329847 - Back pressure turbine for a district heating plant having a cut-off (1982-05-18),
13. 4299087 - Gas turbine plant with fluidized bed combustor (1981-11-10),
14. 4293298 - Combined air and fuel nozzle for fluidized bed combustion chamber (1981-10-06),
15. 4292742 - Plant for drying fuel (1981-10-06),
Company Overview
Stal-Laval Turbin AB, based in Finspang, Sweden, specializes in advanced fluidized bed combustion technologies. The company focuses on the development and manufacturing of rotary machines, including gas turbines and combustion chambers, designed to optimize energy efficiency and performance. With expertise in pressure measurement and multi-stage turbine systems, Stal-Laval plays a significant role in the energy sector, providing innovative solutions that enhance the sustainability and reliability of energy sources.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

50 Patents

#1 in Finspang

#139 in Sweden

#14,028 in the World

Finspang, SE
Finspang, Sweden

Stal-Laval Turbin Ab

Forward Citations = 486

53 inventors:

goldMedal Martin Mansson (6 out of 11 patents)

silverMedal Ragnar Torstenfelt (6 out of 8 patents)

bronzeMedal Anders Kullendorff (6 out of 6 patents)

4.  Roine Brannstrom (5 out of 28 patents)

5.  Jan Wikner (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stal-Laval Turbin Ab. Retrieved from https://idiyas.com/company/stal-laval-turbin-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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