Granted Patent
Utility
US 5,634,329 · App. 08/649,477
Method of maintaining a nominal working temperature of flue gases in a PFBC power plant
Inventors:
Marie Andersson, Mats Andersson, Christer Gerward, John Weatherby
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: May 17, 1996
Inventors
Marie Andersson
Mats Andersson
Christer Gerward
John Weatherby
Assignee (at issue)
ABB Carbon AB
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.