Inventor · disambiguated record
Alfred Henn
Also filed as: HENN ALFRED
5 granted patents·87 citations·filing 1992–1999
82Inventor score
Top patents by PatentIndex Score
5 records- 0186US6443212B1Method and apparatus for the production of precision castings by centrifugal castingALD VACUUM TECHN AG·Filed 1999·Granted Sep 3, 2002·28 cites·27 claims
- 0265US5372355ATap closure for a vacuum-induction melting and casting furnaceLEYBOLD AG·Filed 1993·Granted Dec 13, 1994·12 cites·15 claims
- 0363US5503215APrecision casting system with lockLEYBOLD DURFERRIT GMBH·Filed 1995·Granted Apr 2, 1996·11 cites·13 claims
- 0455US5271033AInduction furnace for melting and casting substances in a nonreactive atmosphereLEYBOLD DURFERRIT GMBH·Filed 1992·Granted Dec 14, 1993·18 cites·10 claims
- 0554US5343492AClosed induction furnace for the melting and casting of substancesLEYBOLD DURFERRIT GMBH·Filed 1993·Granted Aug 30, 1994·18 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →