Inventor · disambiguated record
Hans Rothfuss
Also filed as: ROTHFUSS HANS · ROTHFUSS HANS K
27 granted patents·190 citations·filing 1976–2012
96Inventor score
Top patents by PatentIndex Score
27 records- 0176US6814268B2Crack resistant valve plate for a slide gate valveVESUVIUS CRUCIBLE CO·Filed 2000·Granted Nov 9, 2004·8 cites·9 claims
- 0276US4545568AUnfired refractory structural member in the form of a plate for use as an expendable lining of metallurgical vesselsDIDIER WERKE AG·Filed 1984·Granted Oct 8, 1985·17 cites·17 claims
- 0374US5173199AApparatus for use in replacing a worn pouring pipe and for adjusting molten metal flow through a pouring pipeDIDIER WERKE AG·Filed 1991·Granted Dec 22, 1992·14 cites·27 claims
- 0471US6092701AFireproof plate and a clamping device for a sliding gate at the outlet of a vessel containing molten metalSTOPINC AG·Filed 1997·Granted Jul 25, 2000·14 cites·14 claims
- 0563US4984769ATap spout for metallurgical vessels and method of repairingDIDIER WERKE AG·Filed 1989·Granted Jan 15, 1991·14 cites·21 claims
- 0663US4971295ASafety-type gas washing sink having improved heat dissipation propertiesDIDIER WERKE AG·Filed 1989·Granted Nov 20, 1990·9 cites·15 claims
- 0762US5202079AMeans and method for determining the degree of wear of a gas injection deviceDIDIER WERKE AG·Filed 1989·Granted Apr 13, 1993·9 cites·24 claims
- 0861US5106106ASealing structure for use in guiding molten metal from a metallurgical vessel and a seal thereofDIDIER WERKE AG·Filed 1990·Granted Apr 21, 1992·9 cites·20 claims
- 0961US4711432AGas washing deviceDIDIER WERKE AG·Filed 1986·Granted Dec 8, 1987·13 cites·3 claims
- 1059US5249811ARefractory joint packing for an annular gap in a metallurgical vesselDIDIER WERKE AG·Filed 1991·Granted Oct 5, 1993·10 cites·13 claims
- 1157US4978108AGas washing sink without integral closure memberDIDIER WERKE AG·Filed 1989·Granted Dec 18, 1990·8 cites·19 claims
- 1253US4779849AGas washing device with reduced gas flow upon wear of gas sinkDIDIER WERKE AG·Filed 1987·Granted Oct 25, 1988·7 cites·19 claims
- 1351US4695043AGas scavenging apparatus for metallurgical vesselsDIDIER WERKE AG·Filed 1986·Granted Sep 22, 1987·6 cites·15 claims
- 1449US9469882B2Refractory purging devicesVESUVIUS CRUCIBLE CO·Filed 2012·Granted Oct 18, 2016·0 cites·15 claims
- 1547US5413744AProcess for inductive heating of ceramic shaped partsDIDIER WERKE AG·Filed 1993·Granted May 9, 1995·5 cites·14 claims
- 1647US5160478AGas flushing apparatus for metallurgical vesselDIDIER WERKE AG·Filed 1991·Granted Nov 3, 1992·6 cites·25 claims
- 1745US5152048AProcess for manufacturing a composite assembly of ceramic and steelDIDIER WERKE AG·Filed 1990·Granted Oct 6, 1992·9 cites·45 claims
- 1843US5310164ATapping pipe and system for a converter or electric arc furnaceDIDIER WERKE AG·Filed 1993·Granted May 10, 1994·8 cites·19 claims
- 1942US5279993AGas injection stone and process of manufacture thereofDIDIER WERKE AG·Filed 1991·Granted Jan 18, 1994·5 cites·39 claims
- 2042US4905971ARefractory ceramic sinkDIDIER WERKE AG·Filed 1988·Granted Mar 6, 1990·5 cites·14 claims
- 2140US5190716AProcess for manufacturing and preheating a shaped ceramic partDIDIER WERKE AG·Filed 1991·Granted Mar 2, 1993·3 cites·16 claims
- 2238US5056762AApparatus for mounting a gas washing sink in a centered manner in a perforated brickDIDIER WERKE AG·Filed 1990·Granted Oct 15, 1991·3 cites·16 claims
- 2336US4789086ARefractory wear parts for sliding closure unitsDIDIER WERKE AG·Filed 1988·Granted Dec 6, 1988·2 cites·7 claims
- 2435US5007621AApparatus for mounting a gas washing sink in a centered manner in perforated brickDIDIER WERKE AG·Filed 1989·Granted Apr 16, 1991·2 cites·66 claims
- 2534US4995596AApparatus for repairing a perforated brick in a metallurgical vesselDIDIER WERKE AG·Filed 1989·Granted Feb 26, 1991·2 cites·25 claims
- 2631US5127632AGas flushing device including perforated brick and gas flushing stone assemblyDIDIER WERKE AG·Filed 1991·Granted Jul 7, 1992·1 cites·30 claims
- 2731US4092651ADevice and method for exposing phosphor dots in a color television picture tubeINT STANDARD ELECTRIC CORP·Filed 1976·Granted May 30, 1978·1 cites·4 claims
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