Granted Patent
Utility
US 4,975,024 · App. 07/351,800
Compressor control system to improve turndown and reduce incidents of surging
Inventor:
Bruce G. Heckel
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: May 15, 1989
Inventor
Bruce G. Heckel
Assignee (at issue)
Elliott Turbomachinery Co., Inc.
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.