Granted Patent
Utility
US 5,325,607 · App. 08/122,030
Reactor for drying water-containing solids in a heated fluidized bed and method of operating the reactor
Inventors:
Hans-Jurgen Weib, Wolfgang Frank, Wladyslaw Lewandowski, Wolfgang Scheler
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Sep 14, 1993
Inventors
Hans-Jurgen Weib
Wolfgang Frank
Wladyslaw Lewandowski
Wolfgang Scheler
Assignee (at issue)
Metallgesellschaft 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.