Fuel cell clean waste water discharge system
CA 1310358 C · Owner: Grasso, Albert P. · Inventors: Grasso, Albert P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fuel Cell Clean Waste Water Discharge System, Excess or waste water produced by the operation of a fuel cell power plant is discharged directly into the ambient environment by a discharge system (16) which ensures that only the cleanest water in the system can be discharged. The discharge system is controlled by the amount of water in the power plant water storage tank (6). The storage tank receives contaminated water from the power plant, and also receives clean water (14) from demineralizing beds. When the quantity of water in the storage (6) tank exceeds a predetermined amount, the clean incoming water (14) from the demineralizing beds is diverted into a drain passage (16) where it is …
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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
- Granted November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.