Friedrich-Wilhelm Paurat

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Friedrichsfeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for the mining of coal
- Patent number 4,095,845
- Issue date Jun 20, 1978
- Friedrich-Wilhelm Paurat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnelling machine
- Patent number 4,080,000
- Issue date Mar 21, 1978
- Friedrich-Wilhelm Paurat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combined milling and impact apparatus for tunneling
- Patent number 3,998,493
- Issue date Dec 21, 1976
- Friedrich Wilhelm Paurat
- E21 - EARTH DRILLING MINING