Automatic tank cleaning system
CA 2559754 C · Owner: Eriksen, Frank · Inventors: Eriksen, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom a cutting box having a portable , weir therein a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycling unit where solids collect at the bottom. The solids are removed and collected in the cutting box. Water in the recycling unit may be pumped through the hydrocyclonic separator. Solids removed by the separator are collected in the cutting box and the water is directed into a clean water compartment defined by the weir within the recycling unit. Water in the cutting box is collected by the portable weir therein and …
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 March 21, 2005 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 21, 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.