Granted Patent
Utility
US 6,705,117 · App. 09/798,826
Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner
Inventors:
Neil Simpson, Greg Floyd Prusia, Thomas G. Clayton, Andrew P. Richardson, John R. LeBlanc
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Mar 2, 2001
Inventors
Neil Simpson
Greg Floyd Prusia
Thomas G. Clayton
Andrew P. Richardson
John R. LeBlanc
Assignee (at issue)
The BOC Group 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.