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Method for producing polymer rotors
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Patent number 6,849,220
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Issue date Feb 1, 2005
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Sevenska Rotor Maskiner AB
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Mats Sundström
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Lift valve for a rotary screw compressor
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Patent number 6,461,119
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Issue date Oct 8, 2002
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Svenska Rotor Maskiner AB
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Karlis Timuska
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Oil-free screw rotor apparatus
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Patent number 6,302,667
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Issue date Oct 16, 2001
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Svenska Rotor Maskiner AB
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Karlis Timuska
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rotary screw compressor with shaft seal
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Patent number 5,641,280
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Issue date Jun 24, 1997
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Svenska Rotor Maskiner AB
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Karlis Timuska
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Method for manufacturing screw rotors
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Patent number 5,219,499
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Issue date Jun 15, 1993
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Svenska Rotor Maskiner AB
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Karlis Timuska
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Rotor for a rotary screw machine
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Patent number 5,011,389
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Issue date Apr 30, 1991
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Svenska Rotor Maskiner AB
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Karlis Timuska
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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