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Martin Kirchhof
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Miesbach, DE
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last 30 patents
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Patent Grant
Mechanical face seal with a rotating counter ring and precisely def...
Patent number
9,759,331
Issue date
Sep 12, 2017
Carl Freudenberg KG
Martin Kirchhof
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanical face seal
Patent number
9,086,152
Issue date
Jul 21, 2015
Carl Freudenberg KG
Martin Kirchhof
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
MECHANICAL FACE SEAL WITH A ROTATING COUNTER RING AND PRECISELY DEF...
Publication number
20130038023
Publication date
Feb 14, 2013
Carl Freudenberg KG
Martin Kirchhof
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SLIDE RING SEAL
Publication number
20130038024
Publication date
Feb 14, 2013
Carl Freudenberg KG
Martin Kirchhof
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...