Roland Dobner

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Wald-Michelbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Filter element with a guide duct that penetrates its pleated walls
- Patent number 8,979,962
- Issue date Mar 17, 2015
- Carl Freudenberg KG
- Uwe Haefner
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Filter element with guide shaft
- Patent number 8,747,507
- Issue date Jun 10, 2014
- Carl Freudenberg KG
- Uwe Haefner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Filter element
- Patent number 7,503,954
- Issue date Mar 17, 2009
- Carl Freudenberg KG
- Uwe Haefner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FILTER ELEMENT WITH A GUIDE DUCT THAT PENETRATES ITS PLEATED WALLS
- Publication number 20130068103
- Publication date Mar 21, 2013
- Carl Freudenberg KG
- Uwe HAEFNER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER ELEMENT WITH GUIDE SHAFT
- Publication number 20120324851
- Publication date Dec 27, 2012
- Carl Freudenberg KG
- Uwe HAEFNER
- B60 - VEHICLES IN GENERAL
Information Patent Application
Filter element
- Publication number 20060000197
- Publication date Jan 5, 2006
- Carl Freudenberg KG
- Uwe Haefner
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL