Trailing flusher dredger with trans channel flow enhancement
CA 1290770 C · Owner: Van Weezenbeek, Reijer Nicolaas · Inventors: Van Weezenbeek, Reijer Nicolaas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Device and process for the displacement of sediment under water by means of water jets which liquify the sediment so that it flows away under water without poluting the surface water the improve-, ment being that the device has laterally directed outflow openings, which reach areas out of reach of the downwardly directed jets and by means of which soil accumulations such as ridges can be leveled.
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.