Wilfried Maier

Person

Zeltweg, AT

People

Patents Grantslast 30 patents

Information Patent Grant
Device for intermittently subjecting axially shiftable bits of a cu...
- Patent number 4,735,458
- Issue date Apr 5, 1988
- Voest-Alpine Aktiengesellschaft
- Herwig Wrulich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting machine
- Patent number 4,696,518
- Issue date Sep 29, 1987
- Voest-Alpine Aktiengesellschaft
- Alfred Zitz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for supplying a pressurized liquid to a rotating machin...
- Patent number 4,577,892
- Issue date Mar 25, 1986
- Voest-Alpine Aktiengesellschaft
- Herwig Wrulich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting head for drift advancing machines and process for producing...
- Patent number 4,572,583
- Issue date Feb 25, 1986
- Voest-Alpine Aktiengesellschaft
- Gottfried Traumumiller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting head for drift advancing machines
- Patent number 4,568,127
- Issue date Feb 4, 1986
- Voest-Alpine Aktiengesellschaft
- Gottfried Traumuller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for cutting rock
- Patent number 4,555,143
- Issue date Nov 26, 1985
- Voest-Alpine Aktiengesellschaft
- Herwig Wrulich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bit holder equipped with a spraying device
- Patent number 4,542,942
- Issue date Sep 24, 1985
- Voest-Alpine Aktiengesellschaft
- Alfred Zitz
- E21 - EARTH DRILLING MINING

Wilfried Maier

Person

Patents Grantslast 30 patents

Device for intermittently subjecting axially shiftable bits of a cu...

Cutting machine

Arrangement for supplying a pressurized liquid to a rotating machin...

Cutting head for drift advancing machines and process for producing...

Cutting head for drift advancing machines

Apparatus for cutting rock

Bit holder equipped with a spraying device