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Stal-laval Apparat Ab

USPTO Granted Patents = 13

Forward Citations = 72

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16 inventors (with patents filed for the assignee):

Lars Bratthall (3 out of 3 patents)

Gunnar Stendahl (3 out of 3 patents)

Karl-Erik Berkestad (2 out of 2 patents)

4. Ingemar Greis (2 out of 4 patents)

5. Artur Stlund (2 out of 2 patents)

6. Lars Löfgren (1 out of 3 patents)

7. Erik Henriksson (1 out of 1 patent)

8. Lars Olof Ingesson (1 out of 1 patent)

9. Bernt Lindstrom (1 out of 1 patent)

10. Lars-Olof Ingesson (1 out of 1 patent)

11. Erik Henriksson (1 out of 1 patent)

12. Lennart Danielsson (1 out of 1 patent)

13. Torsten Svensson (1 out of 1 patent)

14. Karl G Dahmen (1 out of 1 patent)

15. Roger Eriksson (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 4528946 - Intermediate superheater (1985-07-16),

2. 4467635 - Leak detection in heat exchanger tubes and their tube sheet connections (1984-08-28),

3. 4423858 - Tuyere or nozzle (1984-01-03),

4. 4371033 - Gas-to-gas heat exchanger (1983-02-01),

5. 4346054 - Fluidizable bed apparatus (1982-08-24),

6. 4339249 - Heat exchanger for recovery of heat energy from dust-containing waste (1982-07-13),

7. 4274478 - Apparatus for cooling dust-containing gas (1981-06-23),

8. 4257478 - Gaseous media heat exchanger (1981-03-24),

9. 4230177 - Heat exchange with separately supported and separately removable tubular (1980-10-28),

10. 4193446 - Intermediate steam superheater (1980-03-18),

11. 4098332 - Finned tube heat exchanger construction (1978-07-04),

12. 4044605 - Apparatus for measuring fouling on the inside of a heat-exchanger tube (1977-08-30),

13. 3973624 - Condenser (1976-08-10),

Stal-laval Apparat Ab is a leading manufacturer of industrial equipment for various industries. With over 50 years of experience, the company specializes in the design and production of high-quality heat exchangers, pressure vessels, and other process equipment. Stal-laval's products are known for their reliability, efficiency, and innovative design solutions, making them a trusted partner for businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

13 Patents

#7 in Linkoping

#454 in SW

#43,635 in the World

Linkoping, undefined

Stal-laval Apparat Ab

Forward Citations = 72

16 inventors:

Lars Bratthall (3 out of 3 patents)

Gunnar Stendahl (3 out of 3 patents)

Karl-Erik Berkestad (2 out of 2 patents)

4. Ingemar Greis (2 out of 4 patents)

5. Artur Stlund (2 out of 2 patents)

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