Christian Keller

Follow

Person

Nuremberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Conveying device for open-cast mines
- Patent number 6,209,711
- Issue date Apr 3, 2001
- Siemens Aktiengesellschaft
- Klaus Koopmann
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for the distance control of a positioning drive
- Patent number 4,959,808
- Issue date Sep 25, 1990
- Siemens Aktiengesellschaft
- Ingemar Neuffer
- B66 - HOISTING LIFTING HAULING