Inventor · disambiguated record
Gunter Blumenthal
Also filed as: BLUMENTHAL GUEENTER · BLUMENTHAL GUENTER · BLUMENTHAL GUNTER
14 granted patents·124 citations·filing 1974–1988
92Inventor score
Top patents by PatentIndex Score
14 records- 0169US4529006AElectrohydraulic three-port, two position valveBLOCK SIEGMAR·Filed 1984·Granted Jul 16, 1985·30 cites·7 claims
- 0268US4094153ABreast roof support system for longwall miningBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Jun 13, 1978·13 cites·11 claims
- 0368US4008578APit prop assemblyBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Feb 22, 1977·13 cites·10 claims
- 0460US4140430AWalking mine roof supportBOCHUMER EISEN HEINTZMANN·Filed 1978·Granted Feb 20, 1979·10 cites·10 claims
- 0550US4028898APit prop assemblyBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Jun 14, 1977·7 cites·15 claims
- 0648US3959976AExcavation-roof supportBOCHUMER EISEN HEINTZMANN·Filed 1975·Granted Jun 1, 1976·6 cites·10 claims
- 0745US4798417AMethod of separating the upper coal in seamsBOCHUMER EISEN HEINTZMANN·Filed 1987·Granted Jan 17, 1989·14 cites·5 claims
- 0841US4094154ARoof prop apparatus and method for longwall miningBOCHUMER EISEN HEINTZMANN·Filed 1976·Granted Jun 13, 1978·4 cites·19 claims
- 0939US4657443AArrangement for supervising synchronous displacement of the pistons of two cylinder-and-piston unitsBOCHUMER EISEN HEINTZMANN·Filed 1986·Granted Apr 14, 1987·10 cites·2 claims
- 1035US4280734AArrangement for controlled engagement of the tools of a mining machine with a mine faceBOCHUMER EISEN HEINTZMANN·Filed 1979·Granted Jul 28, 1981·3 cites·12 claims
- 1132US3961487AMine roof supportBOCHUMER EISENHUTTE HEINTZMONN·Filed 1975·Granted Jun 8, 1976·3 cites·10 claims
- 1230US4883322AMining and conveying apparatusBOCHUMER EISEN HEINTZMANN·Filed 1988·Granted Nov 28, 1989·5 cites·16 claims
- 1328US4094155AMine roof supportBOCHUMER EISEN HEINTZMANN·Filed 1977·Granted Jun 13, 1978·1 cites·18 claims
- 1426US3949562AApparatus for preventing cave-ins of excavationsBOCHUMER EISEN HEINTZMANN·Filed 1974·Granted Apr 13, 1976·5 cites·11 claims
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