for loading and unloading mining-hoist cars or cages

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Patents Grantslast 30 patents

Information Patent Grant
Mining elevator lapping platform suitable for flexible guide rail a...
- Patent number 9,394,142
- Issue date Jul 19, 2016
- China University of Mining and Technology
- Zhencai Zhu
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
2470472
- Patent number 2,470,472
- Issue date May 17, 1949
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
472159
- Patent number 472,159
- Issue date Apr 5, 1892
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
317136
- Patent number 317,136
- Issue date May 5, 1885
- B66 - HOISTING LIFTING HAULING