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Jorg Schar
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Munchenbuchsee, CH
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Patents Grants
last 30 patents
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Patent Grant
Double-cone device and pump
Patent number
7,077,207
Issue date
Jul 18, 2006
DCT Double-Cone Technology AG
John Stark
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
Double-cone device and pump
Publication number
20040104023
Publication date
Jun 3, 2004
John Stark
E21 - EARTH DRILLING MINING