Wave powered pumping apparatus and method
CA 1314786 C · Owner: Windle, Tom J. · Inventors: Windle, Tom J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pumping apparatus and method for pumping fluid using energy from rising and falling wave action in a body of fluid includes at least one float; a primary pump such as a, piston pump, connectable to the float for pumping fluid as the float rises with rising wave action; a secondary pump such as a piston pump, connectable to the float and connectable to a fluid container extending above the pumping apparatus; and at least one anchor connectable to at least one of the primary pump and the secondary pump for anchoring the primary pump and the secondary pump relative to the float. The primary pump is moved from a reloaded position to a discharged position as the float rises with rising wave …
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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
- 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.