Inventor · disambiguated record
Franz Hugo
Also filed as: HUGO FRANZ · HUGO FRANZ WALDEMAR · HUGO FRANZ WALDEMAR ERNST
27 granted patents·4 pending applications·443 citations·filing 1982–2011
97Inventor score
Files withLEYBOLD DURFERRIT GMBH7ALD VACUUM TECHN GMBH6ALD VACUUM TECHN AG3LEYBOLD AG3LEYBOLD HERAEUS GMBH & CO KG3
Top patents by PatentIndex Score
31 records- 0193US5988257AMethod and the directional solidification of a molten metal and a casting apparatus for the practice thereofALD VACUUM TECHN GMBH·Filed 1998·Granted Nov 23, 1999·39 cites·15 claims
- 0292US6308767B1Liquid metal bath furnace and casting methodGEN ELECTRIC·Filed 1999·Granted Oct 30, 2001·40 cites·8 claims
- 0388US5778961AProcess and device for simultaneous casting and directional solidification of several castingsALD VACUUM TECHN GMBH·Filed 1997·Granted Jul 14, 1998·30 cites·14 claims
- 0486US6443212B1Method and apparatus for the production of precision castings by centrifugal castingALD VACUUM TECHN AG·Filed 1999·Granted Sep 3, 2002·28 cites·27 claims
- 0586US6085827AMethod for the directed solidification of molten metal and a casting apparatus for the practice thereofLEYBOLD DURFERRIT GMBH·Filed 1993·Granted Jul 11, 2000·22 cites·14 claims
- 0685US6350293B1Bottom pour electroslag refining systems and methodsGEN ELECTRIC·Filed 2000·Granted Feb 26, 2002·32 cites·13 claims
- 0785US5819837AProcess and apparatus for melting and casting of metals in a moldALD VACUUM TECHN GMBH·Filed 1997·Granted Oct 13, 1998·29 cites·20 claims
- 0884US5479438AApparatus for fusing a solid layer of electrically conductive materialLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Dec 26, 1995·24 cites·2 claims
- 0976US8268074B2Method and device for producing oriented solidified blocks made of semi-conductor materialHUGO FRANZ·Filed 2006·Granted Sep 18, 2012·7 cites·27 claims
- 1074US5197531AMethod of manufacturing directionally solidified castingsLEYBOLD AG·Filed 1992·Granted Mar 30, 1993·30 cites·5 claims
- 1167US6354360B1Device for directional solidification of a fused metal which has been poured into a moulding shell and a process for this purposeFiled 1999·Granted Mar 12, 2002·14 cites·5 claims
- 1265US5401321AMethod for cleaning material contaminated with greasy or oily substancesLEYBOLD AG·Filed 1994·Granted Mar 28, 1995·17 cites·10 claims
- 1363US5503215APrecision casting system with lockLEYBOLD DURFERRIT GMBH·Filed 1995·Granted Apr 2, 1996·11 cites·13 claims
- 1460US6375893B1Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systemsFiled 2000·Granted Apr 23, 2002·9 cites·13 claims
- 1560US5505008AMethod for recycling materials containing plastic, rubber or lacquerLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Apr 9, 1996·15 cites·9 claims
- 1657US6101212ASealed evacuatable crucible for inductive melting or superheatingALD VACUUM TECHN AG·Filed 1999·Granted Aug 8, 2000·16 cites·8 claims
- 1756US5121406AInduction melting furnaceLEYBOLD AG·Filed 1990·Granted Jun 9, 1992·18 cites·12 claims
- 1853US2012159993A1Feedstock melting and casting system and processGEERTSEN ROBERT J·Filed 2011·Application pending·0 cites
- 1952US5445789AMethod and apparatus for degreasing and compacting electrically conductive materialLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Aug 29, 1995·8 cites·16 claims
- 2052US2009289390A1Direct silicon or reactive metal castingREC SILICON INC·Filed 2009·Application pending·0 cites
- 2151US2010047148A1Skull reactorREC SILICON INC·Filed 2009·Application pending·0 cites
- 2247US6616724B2Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systemsALD VACUUM TECHN AG·Filed 2001·Granted Sep 9, 2003·1 cites·4 claims
- 2347US4407488ADistillation and sublimation apparatus comprising a condenserLEYBOLD HERAEUS GMBH & CO KG·Filed 1982·Granted Oct 4, 1983·12 cites·5 claims
- 2445US4818282AMethod for recovering metal-carbide scrap by alloyingLEYBOLD HERAEUS GMBH & CO KG·Filed 1987·Granted Apr 4, 1989·7 cites·4 claims
- 2543US5416793AInduction melting apparatus sealed against the atmosphereLEYBOLD DURFERRIT GMBH·Filed 1993·Granted May 16, 1995·12 cites·8 claims
- 2642US5826322AProcess and apparatus for the production of particles from castings which have solidified in an oriented mannerALD VACUUM TECHN GMBH·Filed 1996·Granted Oct 27, 1998·9 cites·25 claims
- 2738US2008206970A1Production Of Polycrystalline SiliconHUGO FRANZ·Filed 2006·Application pending·0 cites
- 2836US5098069AEquipment and regulating means for recovering metal-carbide scrap by alloyingLEYBOLD HERAEUS GMBH & CO KG·Filed 1988·Granted Mar 24, 1992·4 cites·3 claims
- 2933US5762717AProcess for cleaning oil-wetted partsALD VACUUM TECHN GMBH·Filed 1996·Granted Jun 9, 1998·2 cites·5 claims
- 3032US5544194AApparatus for degreasing electrically conductive materialLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Aug 6, 1996·3 cites·16 claims
- 3129US5677926ACrucible for the inductive melting of metalsALD VACUUM TECHN GMBH·Filed 1996·Granted Oct 14, 1997·4 cites·10 claims
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