Granted Patent
Utility
US 6,769,882 · App. 10/164,028
Pressure compensation for localized bearing heating in pumps driven by motors with fluid filled rotors
Inventor:
Kenneth W. Cowans
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jun 5, 2002
Inventor
Kenneth W. Cowans
Assignee (at issue)
Advanced Thermal Sciences Corporation
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.