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Erwin Bolt
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Brugg, CH
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Patents Grants
last 30 patents
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Patent Grant
Dosing pump
Patent number
5,971,723
Issue date
Oct 26, 1999
KNF Flodos AG
Erwin Bolt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump with reduced clamping pressure effect on flap valve
Patent number
5,785,508
Issue date
Jul 28, 1998
KNF Flodos AG
Erwin Bolt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Dosing pump
Publication number
20040234377
Publication date
Nov 25, 2004
Erwin Bolt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...