Inventor
CHOUDHURY ALOK
DE14 patents
⚠️ This page may combine multiple inventors who share the name “CHOUDHURY ALOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALD VACUUM TECHN GMBH
6 patentsUS6027563AFeb 22, 2000
Method and apparatus for the oriented solidification of molten silicon to form an ingot in a bottomless crystallization chamber
ALD VACUUM TECHN GMBH72 citations95
US5950706ASep 14, 1999
Process for manufacture of cast parts made of reactive metals and reusable casting forms for performing the process
ALD VACUUM TECHN GMBH46 citations95
US5626179AMay 6, 1997
Process for manufacture of castings of reactive metals
ALD VACUUM TECHN GMBH49 citations95
US6250366B1Jun 26, 2001
Method for the production of precision castings by centrifugal casting with controlled solidification
ALD VACUUM TECHN GMBH21 citations91
US5991328ANov 23, 1999
Crucible for the inductive melting or superheating of metals, alloys, or other electrically conductive materials
ALD VACUUM TECHN GMBH12 citations72
US5690891ANov 25, 1997
Process for the production of alloys in an inductively heated cold-walled crucible
ALD VACUUM TECHN GMBH4 citations62
LEYBOLD DURFERRIT GMBH
3 patentsUS5479438ADec 26, 1995
Apparatus for fusing a solid layer of electrically conductive material
LEYBOLD DURFERRIT GMBH24 citations89
US5480127AJan 2, 1996
Apparatus for the melting and treatment of metal
LEYBOLD DURFERRIT GMBH2 citations55
US5234486AAug 10, 1993
Method for remelting reactive metals
LEYBOLD DURFERRIT GMBH1 citations51
ALD VACUUM TECHN AG
2 patentsUS6408929B2Jun 25, 2002
Method and apparatus for the production of precision castings by centrifugal casting with controlled solidification
ALD VACUUM TECHN AG19 citations91
US6443212B1Sep 3, 2002
Method and apparatus for the production of precision castings by centrifugal casting
ALD VACUUM TECHN AG28 citations90