Variable pulse contamination control device
CA 1056446 A · Owner: Crs Industries · Inventors: Oliphant, Kenward S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrodynamic gas charge system comprising at least one electrically charged element and screen element arranged relative to each other to form a voltage gradient therebetween wherein the system includes means to vary the voltage gradient between the electrically charged element and screen element, the elements being disposed across a gas flow such that particles of dissimilar substances are separated by the charged force field and recombined with like particles.
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 June 12, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 12, 1996.
- 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.