Inventor · disambiguated record
Alok Choudhury
Also filed as: CHOUDHURY ALOK
14 granted patents·1 pending application·306 citations·filing 1986–2002
93Inventor score
Files withALD VACUUM TECHN GMBH6LEYBOLD DURFERRIT GMBH3ALD VACUUM TECHN AG2LEYBOLD AG2LEYBOLD HERAEUS GMBH & CO KG1
Top patents by PatentIndex Score
15 records- 0195US5950706AProcess for manufacture of cast parts made of reactive metals and reusable casting forms for performing the processALD VACUUM TECHN GMBH·Filed 1998·Granted Sep 14, 1999·46 cites·17 claims
- 0292US6408929B2Method and apparatus for the production of precision castings by centrifugal casting with controlled solidificationALD VACUUM TECHN AG·Filed 2001·Granted Jun 25, 2002·19 cites·15 claims
- 0386US6443212B1Method and apparatus for the production of precision castings by centrifugal castingALD VACUUM TECHN AG·Filed 1999·Granted Sep 3, 2002·28 cites·27 claims
- 0485US6250366B1Method for the production of precision castings by centrifugal casting with controlled solidificationALD VACUUM TECHN GMBH·Filed 1997·Granted Jun 26, 2001·21 cites·6 claims
- 0584US5479438AApparatus for fusing a solid layer of electrically conductive materialLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Dec 26, 1995·24 cites·2 claims
- 0683US6027563AMethod and apparatus for the oriented solidification of molten silicon to form an ingot in a bottomless crystallization chamberALD VACUUM TECHN GMBH·Filed 1997·Granted Feb 22, 2000·72 cites·21 claims
- 0761US4881239AFault detection during remelt of electrodes into blocksLEYBOLD AG·Filed 1988·Granted Nov 14, 1989·18 cites·16 claims
- 0853US5626179AProcess for manufacture of castings of reactive metalsALD VACUUM TECHN GMBH·Filed 1995·Granted May 6, 1997·49 cites·13 claims
- 0947US5991328ACrucible for the inductive melting or superheating of metals, alloys, or other electrically conductive materialsALD VACUUM TECHN GMBH·Filed 1997·Granted Nov 23, 1999·12 cites·9 claims
- 1042US4985400AProcess for producing superconductive ceramics by atomization of alloy precurser under reactive atmospheres or post annealing under oxygenLEYBOLD AG·Filed 1989·Granted Jan 15, 1991·7 cites·11 claims
- 1139US5690891AProcess for the production of alloys in an inductively heated cold-walled crucibleALD VACUUM TECHN GMBH·Filed 1996·Granted Nov 25, 1997·4 cites·17 claims
- 1238US2003010472A1Process for the melting down and remelting of materials for the production of homogeneous metal alloysFiled 2002·Application pending·0 cites
- 1336US4726840AMethod for the electroslag refining of metals, especially those having alloy components with an affinity for oxygenLEYBOLD HERAEUS GMBH & CO KG·Filed 1986·Granted Feb 23, 1988·3 cites·7 claims
- 1433US5234486AMethod for remelting reactive metalsLEYBOLD DURFERRIT GMBH·Filed 1992·Granted Aug 10, 1993·1 cites·6 claims
- 1529US5480127AApparatus for the melting and treatment of metalLEYBOLD DURFERRIT GMBH·Filed 1994·Granted Jan 2, 1996·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →