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Frits Soderlund
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Saltsjobaden, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary screw machine with thrust balanced bearings
Patent number
5,411,388
Issue date
May 2, 1995
Svenska Rotor Maskiner AB
Frits Soderlund
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary screw compressor with inlet chamber
Patent number
5,120,207
Issue date
Jun 9, 1992
Svenska Rotor Maskiner AB
Frits Soderlund
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Shaft seal and bearing members for a rotary screw compressor
Patent number
5,009,583
Issue date
Apr 23, 1991
Svenska Rotor Maskiner AB
Anders Carlsson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary screw compressor with a lift valve mounted in high pressure...
Patent number
4,946,362
Issue date
Aug 7, 1990
Svenska Rotor Maskiner AB
Frits Soderlund
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary machine equipped with a thrust balancing arrangement
Patent number
4,915,514
Issue date
Apr 10, 1990
Svenska Rotor Maskiner AB
Frits Soderlund
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Screw compressor having two individually displaceable regulating sl...
Patent number
4,597,726
Issue date
Jul 1, 1986
Svenska Rotor Maskiner Aktiebolag
Frits Soderlund
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...