Apparatus and method for locating towed seismic apparatus
CA 1282486 C · Owner: Shell Canada Limited · Inventors: Lloyd, Joseph P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method for locating seismic sources suspended below a float, seismic streamer cables and other towed seismic apparatus relative to a bowing vessel. The range and bearing from a selectively energizable acoustic source on or near the float cable, or apparatus to the towing vessel is measured by an acoustic phased array.
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
- Granted April 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2008.
- 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.