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Patents Grants
last 30 patents
Information
Patent Grant
Double seat valve
Patent number
5,806,554
Issue date
Sep 15, 1998
Otto Tuchenhagen GmbH & Co. KG
Hans Otto Mieth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process and device for dissolving a quantity of gas in a flowing li...
Patent number
5,762,687
Issue date
Jun 9, 1998
Otto Tuchenhagen GmbH & Co. KG
Holger J. Grossmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Leakfree switching process for a double-seat valve and a sealing sy...
Patent number
5,732,727
Issue date
Mar 31, 1998
Otto Tuchenhagen GmbH & Co. KG
Hans Otto Mieth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Procedure for cleaning a double seat valve and valve arrangement fo...
Patent number
5,575,305
Issue date
Nov 19, 1996
Otto Tuchenhagen GmbH & Co. KG
Hans O. Mieth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of ensuring constant product quality and safety when tailbac...
Patent number
5,310,566
Issue date
May 10, 1994
Otto Tuchenhagen GmbH & Co. KG
Gerd Baudendistel
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method and an automatic device for the sharp separation and removal...
Patent number
5,130,030
Issue date
Jul 14, 1992
Otto Tuchenhagen GmbH & Co. KG
Michael Lloyd
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Assembly for the transfer, mass determination and mass separation o...
Patent number
5,086,816
Issue date
Feb 11, 1992
Otto Tuchenhagen GmbH & Co. KG
Hans O. Mieth
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for the realization of a leakage-free switchin...
Patent number
4,757,834
Issue date
Jul 19, 1988
Otto Tuchenhagen GmbH & Co. KG
Hans O. Mieth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process for the simultaneous cleaning of both seat surfaces of a do...
Patent number
4,687,015
Issue date
Aug 18, 1987
Otto Tuchenhagen GmbH & Co. KG
Hans O. E. Mieth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Diaphragm pump
Patent number
4,492,535
Issue date
Jan 8, 1985
Otto Tuchenhagen GmbH & Co. KG
Friedrich R. R. Stahlkopf
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Cleanable sampling valve
Patent number
4,458,543
Issue date
Jul 10, 1984
Otto Tuchenhagen GmbH & Co. KG
Hans O. E. Mieth
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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
Separable pipe and/or armature connection
Patent number
4,362,327
Issue date
Dec 7, 1982
Otto Tuchenhagen GmbH & Co. KG
Hans O. Mieth
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
Trademark
last 30 trademarks
Information
Trademark
75115845 - GEA FLOW COMPONENTS
Serial number
75115845
Registration number
2308160
Filing date
Jun 7, 1996
Otto Tuchenhagen GmbH & Co. KG
7 - Machines and machine tools
Information
Trademark
74166186 - ULTRAVENT
Serial number
74166186
Filing date
May 13, 1991
Otto Tuchenhagen GmbH & Co., KG
6 - Common metals and their alloys
Information
Trademark
73300483 - OT
Serial number
73300483
Registration number
1223919
Filing date
Mar 9, 1981
Otto Tuchenhagen GmbH & Co. KG.
6 - Common metals and their alloys
Information
Trademark
73245546 - OT-QUICKSTEP
Serial number
73245546
Registration number
1193034
Filing date
Jan 9, 1980
Otto Tuchenhagen GmbH & Co. KG.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73236395 - TUCHENHAGEN
Serial number
73236395
Registration number
1206925
Filing date
Oct 23, 1979
Otto Tuchenhagen GmbH & Co. KG.
6 - Common metals and their alloys
Information
Trademark
73236400 - VARIVENT
Serial number
73236400
Registration number
1206926
Filing date
Oct 23, 1979
Otto Tuchenhagen GmbH & Co. KG.
6 - Common metals and their alloys