Acoustic telemetry transceiver
CA 2847633 C · Owner: Halliburton Energy Services, Inc. · Inventors: Gardner, Wallace R.; Moore, Jeffrey L.; Shah, Vimal V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus, system and method are provided for generating an acoustic signal. One embodiment of the apparatus includes a signal source a piezoelectric transducer to generate the acoustic signal that is to modulate along a mandrel and a section to couple the signal source to the piezoelectric transducer. The piezoelectric transducer may include a bottom end having one or more electrical tabs. The section may have one or more springs wherein the one or more springs are aligned with the one or more electrical tabs and wherein the section and the piezoelectric transducer are not physically attached together. In a further embodiment of the apparatus the piezoelectric transducer may include at …
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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 July 1, 2005 and granted July 26, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 1, 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.