Lubomir Plevak

Person

Lunen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Mine roof support
- Patent number 5,252,006
- Issue date Oct 12, 1993
- Westfalia Becorit Industrietechnik GmbH
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Displaceable mine roof support assemblies
- Patent number 5,238,330
- Issue date Aug 24, 1993
- Westfalia Becorit Industrietechnik GmbH
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advance mechanism for a mine roof support assembly
- Patent number RE31346
- Issue date Aug 16, 1983
- Gewerschaft Eisenhutte Westfalia
- Kunibert Becker
- 405 - Hydraulic and earth engineering
Information Patent Grant
Mineral mining installation
- Patent number 4,325,659
- Issue date Apr 20, 1982
- Gewerkschaft Eisenhutte Westfalia
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support assemblies for mine workings
- Patent number 4,266,891
- Issue date May 12, 1981
- Gewerkschaft Eisenhutte Westfalia
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pivot joint for underground mining installations
- Patent number 4,242,014
- Issue date Dec 30, 1980
- Gewerkschaft Eisenhutte Westfalia
- Lubomir Plevak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support unit
- Patent number 4,231,685
- Issue date Nov 4, 1980
- Gewerkschaft Eisenhutte Westfalia
- Harry Rosenberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advance mechanism for a mine roof support assembly
- Patent number 4,195,953
- Issue date Apr 1, 1980
- Gewerkschaft Eisenhutte Westfalia
- Kunibert Becker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advance mechanism for a mine roof support unit
- Patent number 4,187,042
- Issue date Feb 5, 1980
- Gewerkschaft Eisenhutte Westfalia
- Lubomir Plevak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Lubomir Plevak

Person

Patents Grantslast 30 patents

Mine roof support

Displaceable mine roof support assemblies

Advance mechanism for a mine roof support assembly

Mineral mining installation

Support assemblies for mine workings

Pivot joint for underground mining installations

Roof support unit

Advance mechanism for a mine roof support assembly

Advance mechanism for a mine roof support unit