Alok Choudhury

Person

Puttlingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the production of precision castings by ce...
- Patent number 6,443,212
- Issue date Sep 3, 2002
- Ald Vacuum Technologies AG
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for the production of precision castings by ce...
- Patent number 6,408,929
- Issue date Jun 25, 2002
- Ald Vacuum Technologies AG
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for the production of precision castings by centrifugal cast...
- Patent number 6,250,366
- Issue date Jun 26, 2001
- ALD Vacuum Technologies GmbH
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for the oriented solidification of molten sili...
- Patent number 6,027,563
- Issue date Feb 22, 2000
- Ald Vacuum Technologies GmbH
- Alok Choudhury
- C30 - CRYSTAL GROWTH
Information Patent Grant
Crucible for the inductive melting or superheating of metals, alloy...
- Patent number 5,991,328
- Issue date Nov 23, 1999
- Ald Vacuum Technologies GmbH
- Alok Choudhury
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Process for manufacture of cast parts made of reactive metals and r...
- Patent number 5,950,706
- Issue date Sep 14, 1999
- Ald Vacuum Technologies GmbH
- Alok Choudhury
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the production of alloys in an inductively heated cold-...
- Patent number 5,690,891
- Issue date Nov 25, 1997
- ALD Vacuum Technologies GmbH
- Alok Choudhury
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for manufacture of castings of reactive metals
- Patent number 5,626,179
- Issue date May 6, 1997
- ALD Vacuum Technologies GmbH
- Alok Choudhury
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for the melting and treatment of metal
- Patent number 5,480,127
- Issue date Jan 2, 1996
- Leybold Durferrit GmbH
- Alok Choudhury
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for fusing a solid layer of electrically conductive material
- Patent number 5,479,438
- Issue date Dec 26, 1995
- Leybold Durferrit GmbH
- Mathias Blum
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for remelting reactive metals
- Patent number 5,234,486
- Issue date Aug 10, 1993
- Leybold Durferrit GmbH
- Alok Choudhury
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing superconductive ceramics by atomization of al...
- Patent number 4,985,400
- Issue date Jan 15, 1991
- Leybold Aktiengesellschaft
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fault detection during remelt of electrodes into blocks
- Patent number 4,881,239
- Issue date Nov 14, 1989
- Leybold Aktiengesellschaft
- Otto Stenzel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the electroslag refining of metals, especially those hav...
- Patent number 4,726,840
- Issue date Feb 23, 1988
- Leybold-Heraeus GmbH
- Alok Choudhury
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Process for the melting down and remelting of materials for the pro...
- Publication number 20030010472
- Publication date Jan 16, 2003
- Alok Choudhury
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method and apparatus for the production of precision castings by ce...
- Publication number 20010045267
- Publication date Nov 29, 2001
- ALD Vacuum Technologies AG
- Alok Choudhury
- B22 - CASTING POWDER METALLURGY

Alok Choudhury

Person

Patents Grantslast 30 patents

Method and apparatus for the production of precision castings by ce...

Method and apparatus for the production of precision castings by ce...

Method for the production of precision castings by centrifugal cast...

Method and apparatus for the oriented solidification of molten sili...

Crucible for the inductive melting or superheating of metals, alloy...

Process for manufacture of cast parts made of reactive metals and r...

Process for the production of alloys in an inductively heated cold-...

Process for manufacture of castings of reactive metals

Apparatus for the melting and treatment of metal

Apparatus for fusing a solid layer of electrically conductive material

Method for remelting reactive metals

Process for producing superconductive ceramics by atomization of al...

Fault detection during remelt of electrodes into blocks

Method for the electroslag refining of metals, especially those hav...

Patents Applicationslast 30 patents

Process for the melting down and remelting of materials for the pro...

Method and apparatus for the production of precision castings by ce...