Feed conditioner apparatus
CA 2050659 A1 · Owner: Lucas, Richard V. · Inventors: Lucas, Richard V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The conditioner of the present invention treats feed with steam and includes a plurality of steam lines that can inject steam into a chamber having inlet and outlet openings. Located within the chamber is a rotatable shaft supporting a helical stainless steel ribbon arranged coaxially with the shaft and extending for approximately three quarters of the length thereof. When the shaft is rotated, the ribbon acts as a conveyor and moves the feed in a first direction. The shaft also supports a plurality of paddles which create a counterflow of feed in a direction opposite to said first direction to cause the feed to mix with the steam. Also mounted on the shaft are a plurality of beaters which …
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 September 4, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2013.
- 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.