Granted Patent
Utility
US 4,511,375 · App. 06/594,716
Process and apparatus for direct heat transfer temperature swing regeneration
Inventor:
William E. BeVier
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Mar 29, 1984
Inventor
William E. BeVier
Assignee (at issue)
Union Carbide Corporation
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.