with essential hydraulic or pneumatic details

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Patents Grantslast 30 patents

Information Patent Grant
Telescopic mine roof support
- Patent number 9,347,316
- Issue date May 24, 2016
- Burrell Mining Products, Inc.
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Telescopic pumpable props
- Patent number 9,140,026
- Issue date Sep 22, 2015
- Cougar Can Company Pty Ltd.
- Craig Douglas Barnett
- E04 - BUILDING
Information Patent Grant
Telescopic mine roof support
- Patent number 8,851,805
- Issue date Oct 7, 2014
- Burrell Mining Products, Inc.
- Michael T. Shook
- E21 - EARTH DRILLING MINING
Information Patent Grant
3508408
- Patent number 3,508,408
- Issue date Apr 28, 1970
- B60 - VEHICLES IN GENERAL
Information Patent Grant
3184206
- Patent number 3,184,206
- Issue date May 18, 1965
- E21 - EARTH DRILLING MINING
Information Patent Grant
2381664
- Patent number 2,381,664
- Issue date Aug 7, 1945
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
1450603
- Patent number 1,450,603
- Issue date Apr 3, 1923
- E21 - EARTH DRILLING MINING