Inventor · disambiguated record
Franz Schoffmann
Also filed as: SCHOEFFMANN FRANZ
7 granted patents·74 citations·filing 1983–1990
84Inventor score
Top patents by PatentIndex Score
7 records- 0155US5098166ADevice for feeding fluid for the spraying of picks in a shearing drumVOEST ALPINE ZELTWEG·Filed 1990·Granted Mar 24, 1992·25 cites·10 claims
- 0246US4735458ADevice for intermittently subjecting axially shiftable bits of a cutting head to the action of pressurized fluidsVOEST ALPINE AG·Filed 1986·Granted Apr 5, 1988·14 cites·8 claims
- 0342US4577892AArrangement for supplying a pressurized liquid to a rotating machine partVOEST ALPINE AG·Filed 1983·Granted Mar 25, 1986·12 cites·8 claims
- 0440US4568127ACutting head for drift advancing machinesVOEST ALPINE AG·Filed 1983·Granted Feb 4, 1986·10 cites·5 claims
- 0536US4572583ACutting head for drift advancing machines and process for producing sameVOEST ALPINE AG·Filed 1983·Granted Feb 25, 1986·8 cites·8 claims
- 0635US4585275AProcess for spraying the bits and/or the facing with pressurized liquid as well as apparatus for performing this processVOEST ALPINE AG·Filed 1984·Granted Apr 29, 1986·5 cites·6 claims
- 0727US4552263ADrive arrangement for the loading arms of a loading ramp for heading machines or longwall shearing machinesVOEST ALPINE AG·Filed 1983·Granted Nov 12, 1985·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →