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Svenska Rotor Maskiner Aktiebolag

USPTO Granted Patents = 22

Forward Citations = 352

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21 inventors (with patents filed for the assignee):

Hjalmar Schibbye (5 out of 5 patents)

Kurt Karlsson (3 out of 7 patents)

Lauritz Benedictus Schibbye (3 out of 3 patents)

4. Martin Frauenfeld (2 out of 6 patents)

5. Roland Pamlin (2 out of 2 patents)

6. Arnold Englund (2 out of 2 patents)

7. Birger Pettersson (1 out of 3 patents)

8. Frits Soderlund (1 out of 6 patents)

9. Karlis Timuska (1 out of 16 patents)

10. Hans Robert Nilsson (1 out of 1 patent)

11. Lennart Eriksson (1 out of 1 patent)

12. Trygve Botnen (1 out of 1 patent)

13. Tord Holmstrom (1 out of 1 patent)

14. Walther Persson (1 out of 1 patent)

15. Werner Schlageter (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 4761124 - Screw-type rotary machine having at least one rotor made of a plastics (1988-08-02),

2. 4678643 - Apparatus for catalytic cleaning of exhaust gases from a furnace system (1987-07-07),

3. 4597726 - Screw compressor having two individually displaceable regulating slides (1986-07-01),

4. 4523894 - Ejector pump with ringshaped nozzle (1985-06-18),

5. 4455131 - Control device in a helical screw rotor machine for regulating the (1984-06-19),

6. 4449573 - Regenerative heat exchangers (1984-05-22),

7. 4435139 - Screw rotor machine and rotor profile therefor (1984-03-06),

8. 4427054 - Rotary regenerative heat exchanger and method of operating same (1984-01-24),

9. 4316499 - Rotary, regenerative heat exchanger having floating sealing rings (1982-02-23),

10. 4141754 - Apparatus and method for cleaning the heat exchanging surfaces of the (1979-02-27),

11. 4112701 - Method and means for cooling the oil in a system including a compressor (1978-09-12),

12. 4099165 - Fire detection apparatus in a preheater (1978-07-04),

13. 4084405 - Refrigerating system (1978-04-18),

14. 4076468 - Multi-stage screw compressor interconnected via communication channel in (1978-02-28),

15. 4042310 - Screw compressor control means (1977-08-16),

Svenska Rotor Maskiner Aktiebolag is a leading manufacturer of innovative rotor machines for various industries. With a strong focus on research and development, we strive to provide cutting-edge solutions that meet the evolving needs of our customers.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

22 Patents

#5 in Nacka

#273 in Sweden

#27,885 in the World

Svenska Rotor Maskiner Aktiebolag

Forward Citations = 352

21 inventors:

Hjalmar Schibbye (5 out of 5 patents)

Kurt Karlsson (3 out of 7 patents)

Lauritz Benedictus Schibbye (3 out of 3 patents)

4. Martin Frauenfeld (2 out of 6 patents)

5. Roland Pamlin (2 out of 2 patents)

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