Inventor · disambiguated record
Hartmut Grathoff
Also filed as: GRATHOFF HARTMUT
13 granted patents·206 citations·filing 1984–1996
92Inventor score
Files withGUTEHOFFNUNGSHUETTE MAN9GRATHOFF HARTMUT1MAN TAKRAF FOERDERTECHNIK1MAN TAKRAF FOERDERTECHNIK GMBH1MASCHF AUGSBURG NUERNBERG AG1
Top patents by PatentIndex Score
13 records- 0181US5092659AContinuous track-mounted, self-propelled open-cast mining machineGRATHOFF HARTMUT·Filed 1990·Granted Mar 3, 1992·53 cites·19 claims
- 0273US5320471ASuspension and guide of a vertical conveyor in the discharge trunk of a ship unloaderGUTEHOFFNUNGSHUETTE MAN·Filed 1992·Granted Jun 14, 1994·29 cites·13 claims
- 0370US4573743ABucketwheel excavator with oscillating nozzlesMASCHF AUGSBURG NUERNBERG AG·Filed 1984·Granted Mar 4, 1986·20 cites·11 claims
- 0459US5238346AContinuous-conveyance bulk-cargo ship unloaderGUTEHOFFNUNGSHUETTE MAN·Filed 1992·Granted Aug 24, 1993·19 cites·15 claims
- 0551US5501563ABulk material loading and unloading facility for sea-going shipsGUTEHOFFNUNGSHUETTE MAN·Filed 1994·Granted Mar 26, 1996·14 cites·13 claims
- 0650US5810449ACutting drum for an open cast apparatus performing its winning action in both directions of travelMAN TAKRAF FOERDERTECHNIK GMBH·Filed 1996·Granted Sep 22, 1998·21 cites·13 claims
- 0745US5165757AMethod of strip miningGUTEHOFFNUNGSHUETTE MAN·Filed 1991·Granted Nov 24, 1992·16 cites·7 claims
- 0839US5632370APivoting transfer means at belt conveyorGUTEHOFFNUNGSHUETTE MAN·Filed 1995·Granted May 27, 1997·8 cites·8 claims
- 0937US5305868ACover belt conveyorGUTEHOFFNUNGSHUETTE MAN·Filed 1992·Granted Apr 26, 1994·6 cites·10 claims
- 1031US5013201ATraveling conveyor arrangementGUTEHOFFNUNGSHUETTE MAN·Filed 1990·Granted May 7, 1991·4 cites·7 claims
- 1131US4907932AContinuous bulk material conveyerGUTEHOFFNUNGSHUETTE MAN·Filed 1989·Granted Mar 13, 1990·3 cites·4 claims
- 1227US5730501AContinuous track mounted, self propelled open cast mining apparatusMAN TAKRAF FOERDERTECHNIK·Filed 1996·Granted Mar 24, 1998·11 cites·21 claims
- 1325US5152583AContinuous-operation extraction machinery for strip mining with a cylindrical extractorGUTEHOFFNUNGSHUETTE MAN·Filed 1991·Granted Oct 6, 1992·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →