Device and method for measuring seismic waves
CA 2522406 C · Owner: Loyen, Jean-Francois · Inventors: Loyen, Jean-Francois; Meunier, Julien
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for measuring seismic waves which is placed in a borehole. The inventive device consists of a module comprising at least one hydrophone (2) and a coupling agent which fills the space between the module and the borehole wall and which immobilises said module. The invention is characterised in that the module comprises a protective resin element (11) in which the hydrophone is embedded said resin being capable of transmitting the pressure variations resulting from seismic waves.
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 April 16, 2004 and granted July 14, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 16, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2026.
- 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.