Granted Patent
Utility
US 4,265,589 · App. 06/049,686
Method and apparatus for surge detection and control in centrifugal gas compressors
Inventors:
Thomas E. Watson, Paul R. Smallwood, Jr.
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Jun 18, 1979
Inventors
Thomas E. Watson
Paul R. Smallwood, Jr.
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.