Inventor · disambiguated record
Karl-Heinz Berger
Also filed as: BERGER KARL · BERGER KARL-HEINZ
8 granted patents·86 citations·filing 1984–1991
87Inventor score
Top patents by PatentIndex Score
8 records- 0148US4905520APressure sensorBOCHUMER EISEN HEINTZMANN·Filed 1988·Granted Mar 6, 1990·12 cites·4 claims
- 0245US4798417AMethod of separating the upper coal in seamsBOCHUMER EISEN HEINTZMANN·Filed 1987·Granted Jan 17, 1989·14 cites·5 claims
- 0342US5144275APositioning cylinder, especially for subterranean miningBOCHUMER EISEN HEINTZMANN·Filed 1991·Granted Sep 1, 1992·9 cites·4 claims
- 0438US5090775AMethod of monitoring and controlling mining operationsBOCHUMER EISEN HEINTZMANN·Filed 1990·Granted Feb 25, 1992·11 cites·4 claims
- 0536US5110187AApparatus for the mining of mineral matter, especially coalBOCHUMER EISEN HEINTZMANN·Filed 1991·Granted May 5, 1992·13 cites·18 claims
- 0634US4900091AElectrohydraulic coal-mining systemBOCHUMER EISEN HEINTZMANN·Filed 1988·Granted Feb 13, 1990·9 cites·6 claims
- 0731US4550717AThroat examination deviceBERGER KARL·Filed 1984·Granted Nov 5, 1985·14 cites·13 claims
- 0830US4693640AMethod of controlling hydraulically actuatable arrangement in underground miningBOCHUMER EISEN HEINTZMANN·Filed 1986·Granted Sep 15, 1987·4 cites·5 claims
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