Granted Patent
Utility
US 6,649,135 · App. 09/647,630
Method of combustion or gasification in a circulating fluidized bed
Inventors:
Werner-Friedrich Staab, Wolfgang Pauly, Niels Henriksen
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 29, 2001
Inventors
Werner-Friedrich Staab
Wolfgang Pauly
Niels Henriksen
Assignee (at issue)
MG Technologies 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.