Christoph Keller

Follow

Person

Lustmuhle, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Flat sifter
- Patent number 6,260,710
- Issue date Jul 17, 2001
- Buhler AG
- Marc-Leon Deillon
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Frame for flat sifter and process for producing the same
- Patent number 6,202,857
- Issue date Mar 20, 2001
- Buhler AG
- Christoph Keller
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL