Granted Patent
Utility
US 5,483,797 · App. 08/080,816
Method of and apparatus for controlling the operation of a valve that regulates the flow of geothermal fluid
Inventors:
Meir Rigal, Amir Karas, Aba Nathan, Yechiel Rifner, Naday Amir, Lucien Y. Bronicki, Moshe Grassianni
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Jun 24, 1993
Inventors
Meir Rigal
Amir Karas
Aba Nathan
Yechiel Rifner
Naday Amir
Lucien Y. Bronicki
Moshe Grassianni
Assignee (at issue)
Ormat Industries Ltd.
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.