Granted Patent
Utility
US 5,501,079 · App. 08/185,066
Apparatus and process for cryogenic separation of air and liquid distributor for a mass transfer column
Inventors:
Helmut Kreis, Anton Moll, Karl H. Stiegler
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jan 24, 1994
Inventors
Helmut Kreis
Anton Moll
Karl H. Stiegler
Assignee (at issue)
Linde GmbH
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.