Peter Kr/o/ ninger

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Gelsenkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drive unit for machinery, especially mining machinery
- Patent number 6,267,211
- Issue date Jul 31, 2001
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Peter Heintzmann
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Long-wall mining machine with a working chain
- Patent number 5,624,162
- Issue date Apr 29, 1997
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Kuno Guse
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Walking prop for mine tunnels
- Patent number 5,190,414
- Issue date Mar 2, 1993
- Strebtechnik Bochum GmbH & Co.
- Hans-Ferdinand Bemmerl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Travelling bracket
- Patent number 4,487,531
- Issue date Dec 11, 1984
- Bochumer Eisenh/u/ tte Heintzmann GmbH & Co. KG
- Ernst-G/u/ nter Nerlich
- E21 - EARTH DRILLING MINING