Granted Patent
Utility
US 5,154,197 · App. 07/772,137
Chemical cleaning method for steam generators utilizing pressure pulsing
Inventors:
Gregg D. Auld, Allen J. Baum, Judith B. Esposito, William J. Stenger
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Oct 9, 1991
Inventors
Gregg D. Auld
Allen J. Baum
Judith B. Esposito
William J. Stenger
Assignee (at issue)
Westinghouse Electric Company LLC
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.