Inventor · disambiguated record
Ullrich Hintzen
Also filed as: HINTZEN ULLRICH
16 granted patents·87 citations·filing 1984–1993
92Inventor score
Files withDIDIER WERKE AG16
Top patents by PatentIndex Score
16 records- 0174US5173199AApparatus 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
- 0270US4949886AHorizontal or vertical rotary valve for a metallurgical vesselDIDIER WERKE AG·Filed 1988·Granted Aug 21, 1990·10 cites·32 claims
- 0370US4913324ARotary valve for a metallurgical vessel and rotor and stator thereforDIDIER WERKE AG·Filed 1988·Granted Apr 3, 1990·10 cites·43 claims
- 0454US5072864ACarbon-containing wearable refractory partsDIDIER WERKE AG·Filed 1990·Granted Dec 17, 1991·12 cites·21 claims
- 0553US5037017AHorizontal or vertical rotary valve for a metallurgical vesselDIDIER WERKE AG·Filed 1989·Granted Aug 6, 1991·5 cites·12 claims
- 0647US5413744AProcess for inductive heating of ceramic shaped partsDIDIER WERKE AG·Filed 1993·Granted May 9, 1995·5 cites·14 claims
- 0743US4575439AMethod of producing a refractory brickDIDIER WERKE AG·Filed 1984·Granted Mar 11, 1986·11 cites·11 claims
- 0842US5230813AStator and rotor members for use in apparatus for closing and/or regulating the discharge or tapping of molten metalDIDIER WERKE AG·Filed 1991·Granted Jul 27, 1993·4 cites·15 claims
- 0941US5025961ARefractory shutoff assembly capable of improved emergency closingDIDIER WERKE AG·Filed 1990·Granted Jun 25, 1991·4 cites·9 claims
- 1039US5183624AShutoff assembly and improved drive rod thereforDIDIER WERKE AG·Filed 1991·Granted Feb 2, 1993·3 cites·30 claims
- 1138US5145634AClosing or regulating apparatus for a metallurgical vesselDIDIER WERKE AG·Filed 1990·Granted Sep 8, 1992·3 cites·20 claims
- 1234US5083688ARotary valve for a metallurgical vessel and rotor and stator thereforDIDIER WERKE AG·Filed 1989·Granted Jan 28, 1992·1 cites·92 claims
- 1333US5085344AApparatus for closing and/or regulating the discharge or tapping of molten metalDIDIER WERKE AG·Filed 1990·Granted Feb 4, 1992·2 cites·21 claims
- 1431US4994216AProcess of making carbon-bonded refractory shaped articlesDIDIER WERKE AG·Filed 1988·Granted Feb 19, 1991·3 cites·11 claims
- 1530US5106060AComponents for forming a closing and/or regulating apparatus for tapping molten metal from a metallurgical vesselDIDIER WERKE AG·Filed 1991·Granted Apr 21, 1992·0 cites·6 claims
- 1629US5080265AApparatus for closing and/or regulating the tapping of molten metalDIDIER WERKE AG·Filed 1990·Granted Jan 14, 1992·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →