Pipeline strainer
CA 1207246 A · Owner: Porta-Test Manufacturing Ltd. · Inventors: Beattie, David L.G.; Bear, Herbert; Willis, Robin B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PIPELINE STRAINER", ABSTRACT OF THE DISCLOSURE A strainer is provided for removing debris from the gas flow in a pipeline. The strainer is designed with a view to minimizing the pressure drop across it. More particularly the strainer comprises a, spherical shell having inlet and outlet means which are connectable into the pipeline. A circular, concave, perforated plate is mounted within the shell and extends transversely across the path of the gas flow. The plate functions to retain debris in the flow. The combination of the spherical shell and the concave plate provides a relatively large "trapping" area having a relatively large number of perforations. As a result the, pressure drop …
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 July 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 2003.
- 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.