Gas drying or fractioning apparatus and method
CA 1332047 C · Owner: Hankison Division Of Hansen Inc. · Inventors: Black, James B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel pressure swing type desiccant dryer for separating a gas fraction such as water vapor from a gas mixture and a novel demand control system and, method for controlling the operating cycle of such a dryer by variation of the time duration of a drying or a regeneration cycle portion in a manner to satisfy prescribed conditions of energy transfer, as indicated preferably by temperature variations which occur over time in the drying and regeneration cycle portions.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 20, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.