Sampling device and method for monitoring of liquids
CA 2623973 C · Owner: Sorbisense Aps · Inventors: De Jonge, Hubert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and devices for measuring chemical or biological properties of a liquid from a subsurface position are disclosed wherein a closed casing is , submerged in the liquid to be sampled. The flow of the liquid for the sampling is driven by a hydrostatic pressure and is thus independent of pumps or the like when placed at the correct subsurface position. The flow rate is in a first aspect of the present invention controlled by providing a constant hydrostatic pressure during the sampling period. Alternatively the inlet is , provided with a cartridge comprising a tracer material which is partly , soluble by the liquid and is released proportional to the flow rate.
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 28, 2005 and granted August 5, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 2025.
- 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.