Inventor · disambiguated record
Hans Groger
Also filed as: GROEGER HANS · GROEGER HANS-DETLEF · GROGER HANS
5 granted patents·31 citations·filing 1977–1995
76Inventor score
Top patents by PatentIndex Score
5 records- 0160US4236758ARack drive for a drum cutter mining machineEICKHOFF GEB·Filed 1978·Granted Dec 2, 1980·10 cites·6 claims
- 0238US4943120AForce transmitting housing for longwall mining machineEICKHOFF GEB·Filed 1988·Granted Jul 24, 1990·11 cites·12 claims
- 0333US5825692AMemory system and method for simultaneously reading and writing dataSIEMENS NIXDORF INF SYST·Filed 1995·Granted Oct 20, 1998·5 cites·6 claims
- 0431US4155599ADrive gears for rack-driven mining machineEICKHOFF GEB·Filed 1977·Granted May 22, 1979·5 cites·3 claims
- 0518US4445724ACutter-loader apparatus having overhung shearer drumEICKHOFF GEB·Filed 1981·Granted May 1, 1984·0 cites·4 claims
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