Granted Patent
Utility
US 4,634,500 · App. 06/754,783
Method of quenching heated coke to limit coke drum stress
Inventors:
John Daniel Elliott, Steven Paul King
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Jul 15, 1985
Inventors
John Daniel Elliott
Steven Paul King
Assignee (at issue)
Foster Wheeler Energy Limited
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.