Martin ZWIFKA

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Kirkel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Crane having a counterweight adjustment device, and method for adju...
- Patent number 11,167,962
- Issue date Nov 9, 2021
- Tadano Demag GmbH
- Alfons Weckbecker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Crane and support unit for such a crane
- Patent number 9,950,913
- Issue date Apr 24, 2018
- Terex Global GmbH
- Martin Zwifka
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
CRANE HAVING A COUNTERWEIGHT ADJUSTMENT DEVICE, AND METHOD FOR ADJU...
- Publication number 20190315607
- Publication date Oct 17, 2019
- Terex Global GmbH
- Alfons Weckbecker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CRANE AND SUPPORT UNIT FOR SUCH A CRANE
- Publication number 20160200556
- Publication date Jul 14, 2016
- Terex Cranes Germany GmbH
- Martin ZWIFKA
- B66 - HOISTING LIFTING HAULING