Granted Patent
Utility
US 6,536,271 · App. 09/951,894
Pump with integral flow monitoring
Inventors:
Sankaraiyer Gopalakrishnan, Lloyd D. Hanson
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Sep 13, 2001
Inventors
Sankaraiyer Gopalakrishnan
Lloyd D. Hanson
Assignee (at issue)
Flowserve Management Company
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.