Granted Patent
Utility
US 5,207,569 · App. 07/868,429
Method for adjusting a burner during the start-up phase in a furnace operated by means of flue gas recirculation
Inventors:
Hans Peter Knopfel, Claude Pelet, Hans Peter
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Apr 15, 1992
Inventors
Hans Peter Knopfel
Claude Pelet
Hans Peter
Assignee (at issue)
Asea Brown Boveri, S.A.
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.