IP Library Granted Patent US 5,454,220
Granted Patent Utility
US 5,454,220 · App. 08/212,850

Method of operating gas turbine group with reheat combustor

Inventors: Rolf Althaus, Franz Farkas, Peter Graf, Fredy Hausermann, Erhard Kreis
Patented Case View Patent ↗
Granted: Oct 3, 1995 Filed: Mar 15, 1994
Inventors
Rolf Althaus
Franz Farkas
Peter Graf
Fredy Hausermann
Erhard Kreis
Assignee (at issue)
ABB Management AG

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,454,220
App. No.
08/212,850
Filed
1994-03-15
Granted
1995-10-03
Kind
A