Livestock facility ventilation exhaust air dust removal system
CA 2432761 A1 · Owner: Baumgartner Environics, Inc. · Inventors: Kubesh, Mark K.; Baumgartner, John W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A livestock facility exhaust system to remove a majority of the dust and other such odorous airborne particulate material from air exhausted by power ventilation, equipment from a livestock confinement building and without a significant increase in, static pressure within the ventilation system. This is accomplished by a free standing, enclosure of high strength air permeable material supported by a hoop structure, around the exhaust end of the containment building of the livestock facility. Exhausted air enters the enclosure and is temporarily contained therein. Air circulates, around impaction surfaces in the enclosure that promote precipitation of airborne, particulates from the …
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 June 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 2025.
- 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.