Device for measuring a mass flow rate of a particulate material
CA 2534248 C · Owner: Zweifel, Yves · Inventors: Zweifel, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for measuring a mass flow rate of a flow of particulate material which moves in , a predetermined direction. The device includes a weighing cell a first , apparatus, a , second apparatus and a third apparatus. The weighing cell includes a tubular wall and , is disposed to be passed through by a flow of particulate material. The first apparatus , weighs the weighing cell and the quantity of particulate material contained in the , weighing cell and produces a first signal. The second apparatus measures the speed of , flow of the particulate material which flows through the weighing cell and produces a , second signal. The third apparatus calculates the bulk density of the …
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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 January 27, 2006 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.