Closed-loop pressure washing system and method
CA 2309750 A1 · Owner: Ez Environmental Solutions Corporation · Inventors: Eliason, Scott; Garcia, Eduardo M.; Driscoll, Rudolph W. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to methods and apparatus (10) for removing contaminant from an object. According to one aspect an apparatus (10) for , washing an object which has contaminant is arranged to recover the contaminant. The apparatus (10) includes a support floor (50) that supports an object to be washed and a basin (14) mounted below the support floor (50). The basin (14) is divided into a plurality of chambers (A-J) which include a clean water chamber (A-J), a secondary water chamber (A-J) an oil containment , chamber (A-J), and a water receiving chamber (A-J) which receives water which is contaminated after it is flowed over the object to remove the contaminant. The …
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 6, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2020.
- 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.