Submersible pump system using a submersible internal combustion engine
CA 1112944 A · Owner: Wilkins, Richard S. · Inventors: Wilkins, Richard S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A submersible pump system is disclosed which uses a submersible internal combustion engine as the drive means for the pump. The system is ideally suited for use in installations employing conventional submersible pumps driven with electrical motors as an auxiliary or standby system which is designed to be employed during periods when the conventional pumps are inoperable, such as during an electrical power failure. In addition the system, is useful for pumping applications wherein electrical power is not available. The system of this invention comprises a watertight submersible enclosure having an internal combustion engine mounted therein. A submersible centrifugal pump is mounted on the …
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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
- Granted November 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 1998.
- 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.