Granted Patent
Utility
US 6,585,418 · App. 09/972,921
Hydrodynamic axial bearing with floating disk
Inventors:
Bruno Ammann, Jürgen Prossel
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Oct 10, 2001
Inventors
Bruno Ammann
Jürgen Prossel
Assignee (at issue)
ABB Turbo Systems 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.