System and method for improving petroleum dispensing station dispensing flow rates and dispensing capacity
CA 2412685 C · Owner: Craig, Randy E. · Inventors: Kenney, Donald P.; Gibson, Donald A.; Craig, Randy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A submersible pump-motor assembly for use in dispensing petroleum from petroleum storage tanks. The pump-motor assembly of the present invention enhances the, performance characteristics of the pump-motor assembly by providing greater flow area, around the motor stator while maintaining the alignment of the assembly's critical pump, components. Such enhanced pump performance characteristics provide the petroleum, dispensing station manager using such pump-motor assemblies with greater flow rates per, dispenser or, when maximum flow rates are capped potentially greater , dispensing, capacity.
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
- Filed November 22, 2002 and granted November 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2024.
- 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.