Electrodeionization device and methods of use
CA 2566752 C · Owner: Siemens Water Technologies Holding Corp. · Inventors: Wood, Jonathan H.; Arba, John W.; Gifford, Joseph D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention generally relates to purification systems and to , sanitization and/or sealing of the purification system. The purification system includes an electrodeionization device (10) which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a resilient sealing member (26) forming a water-tight seal between rigid thermally and dimensionally stable compartment spacers (18,20). The construction of the electrodeionization device may allow cycling of hot water and/or other liquids, which, in some cases can improve efficiency and , performance of the electrodeionization device. Moreover the cycling of hot , water and/or other …
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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 May 13, 2005 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 13, 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.