Natural gas transportation apparatus and system
CA 2225758 A1 · Owner: Agnew, A. Patrick · Inventors: Agnew, A. Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sea going transportation system for transporting compressed natural from a production reservoir to a delivery node is disclosed comprising: a storage cell consisting of a plurality of interconnected and vertically aligned gas storage cylinders; a first means disposed, at the bottom of said storage cell for filling the cell and withdrawing its contents from the bottom of the cell; a second means disposed at the top of said storage cell for filling the cell and, withdrawing its contents from the bottom of the cell; the arrangement being such that the storage cell is filled with compressed natural gas at a reservoir and during transport, the compressed, natural gas settles out into a top gas …
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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 December 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2019.
- 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.