Water circulation systems for ponds, lakes, and other bodies of water
CA 2794437 C · Owner: Medora Environmental, Inc. · Inventors: Tormaschy, Willard R.; Bleth, Joel J.; Simnioniw, Corey M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Circulation systems for ponds, lakes, or other bodies of water using a flotation platform (3) dish (19), and impeller (21). One embodiment has a connecting arrangement (100) between the drive motor (17) and the impeller (21) that permits the two to be easily and quickly coupled and uncoupled. The connecting arrangement (100) also is designed to accommodate slight misalignments between the shafts (17',21') of the drive motor (17) and impeller (21). An arrangement (130) to adjust and calibrate the depth of the inlet (7) to the draft tube (5) is disclosed. The system further includes solar panels (15,15') that can be pivotally swung outwardly to open positions angularly adjusted about a …
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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 April 20, 2005 and granted September 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.