Dehumidification apparatus
CA 2092365 A1 · Owner: Berner, Erling · Inventors: Berner, Erling; Berner, Erling
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for dehumidifying air includes at least one bidirectional duct with at least one port at each end which are regulated by valves. A desiccant containing matrix is disposed within each bidirectional duct. One or more fans are adapted to produce substantially axial air flow in two directions through each bidirectional duct: a first direction during a regeneration phase of the dehumidifying cycle and a second direction during a process phase of the dehumidifying cycle. In the process direction, air from the enclosure enters one end of the duct, passes through the desiccant containing matrix where moisture is adsorbed by the matrix and exits through the opposite end of …
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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
- Filed March 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2015.
- 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.