Fan array fan section in air-handling systems
CA 2666332 C · Owner: Huntair Inc. · Inventors: Hopkins, Lawrence G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fan array fan section in an air-handling system comprising includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at substantially peak efficiency. The plurality of fan units may be arranged in a true array configuration a spaced pattern array configuration, a checker board array configuration rows slightly offset array configuration columns slightly offset array configuration or a staggered array configuration.
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
- Filed March 19, 2004 and granted October 2, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 19, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2026.
- 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.