Spiral wrapped fluid treatment element
CA 1316464 C · Owner: Pall Corporation · Inventors: Harwood, Colin F.; Degen, Peter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid treatment element comprises a wrap spirally wound in successive overlapping windings about the external surface of a cartridge. The wrap has a portion contiguous to a portion of the external surface of the cartridge. A first adhesive is disposed between the external surface of the cartridge and the contiguous portion of the wrap. A second adhesive is disposed between overlapping windings of the wrap. An end cap is disposed over an end of the cartridge and is secured to the end of the cartridge and an end portion of the wrap. The fluid treatment element is applicable to various fields including, for example, filtration, water demineralization and, gas treatment.
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.