Granted Patent
Utility
US 6,340,284 · App. 09/471,410
Turbine blade with actively cooled shroud-band element
Inventors:
Alexander Beeck, Ibrahim El-Nashar, Beat Von Arx, Bernhard Weigand
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Dec 23, 1999
Inventors
Alexander Beeck
Ibrahim El-Nashar
Beat Von Arx
Bernhard Weigand
Assignee (at issue)
ALSTOM (Switzerland) Ltd
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.