Data transmission system for a downhole component
CA 2512164 C · Owner: Intelliserv, Inc. · Inventors: Hall, David R.; Sneddon, Cameron; Dahlgren, Scott
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a system for transmitting data through a string of downhole components. In accordance with one aspect of the invention the system , includes a plurality of downhole components such as sections of pipe in a , drill string. Each component has a first and second end with a first , communication element located at the first end and a second communication element located at the second end. Each communication element includes a first contact and a second contact. The system also includes a coaxial cable running between the first and second communication elements the coaxial cable having , a conductive tube and a conductive core within it. The system also includes a first and …
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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 21, 2004 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 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.