Granted Patent
Utility
US 5,564,896 · App. 08/510,777
Method and apparatus for shaft sealing and for cooling on the exhaust-gas side of an axial-flow gas turbine
Inventors:
Alexander Beeck, Eduard Brühwiler
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Aug 3, 1995
Inventors
Alexander Beeck
Eduard Brühwiler
Assignee (at issue)
ABB Management AG
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.