Robert Keller

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Baden-Dattwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detaching frozen charge from a tube mill
- Patent number RE47077
- Issue date Oct 9, 2018
- ABB Schweiz AG
- Robert Keller
Information Patent Grant
Method and apparatus for detaching frozen charge from a tube mill
- Patent number 8,662,428
- Issue date Mar 4, 2014
- ABB Schweiz AG
- Robert Keller
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DETACHING FROZEN CHARGE FROM A TUBE MILL
- Publication number 20130001338
- Publication date Jan 3, 2013
- ABB Schweiz AG
- Robert Keller
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...