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Herbert R. Coura
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Buchen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for controlling the switching movement of a valve
Patent number
7,032,878
Issue date
Apr 25, 2006
Tuchenhagen GmbH
Herbert Coura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bellows for sealing a valve rod passage in a globe valve
Patent number
6,305,665
Issue date
Oct 23, 2001
Tuchenhagen GmbH
Herbert Robert Coura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Device for the drive system for double seat valves
Patent number
6,047,730
Issue date
Apr 11, 2000
Tuchenhagen GmbH
Herbert Robert Coura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cleanable scraper station
Patent number
6,029,302
Issue date
Feb 29, 2000
Tuchenhagen GmbH
Herbert Robert Coura
B08 - CLEANING
Information
Patent Grant
Pipeline switch with leakage control and cleanable leakage cavity
Patent number
4,436,106
Issue date
Mar 13, 1984
Otto Tuchenhagen GmbH & Co. KG
Otto A. P. Tuchenhagen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipeline switch with leakage control and cleanable leakage cavity
Patent number
4,344,453
Issue date
Aug 17, 1982
Otto Tuchenhagen GmbH & Co. KG
Otto A. P. Tuchenhagen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Method and device for controlling the switching movement of a valve
Publication number
20040211928
Publication date
Oct 28, 2004
Herbert Coura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...