Grain bin construction
CA 1290540 C · Owner: Vicwest Operating Limited Partnership · Inventors: Weninger, Gerald; Weninger, Oswald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An annular chamber is formed around the open base of a bin and includes a shut-off gate assembly in the base thereof. Stored grain fills the base of the chamber around the discharge area of the bin into the chamber up to the angle of repose of the grain. A fan unit is secured through the wall of the chamber above the angle of repose and ambient air is discharged into the chamber and diffused through the grain mass in the base of the chamber and upwardly through the grain in the bin. A perforated floor portion of the bin acts as the upper wall of the chamber and a percentage of the air diffuses through this perforated floor portion and assists in diffusing the air equally through the grain …
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.