Electrostatic dust collector
CA 1091594 A · Owner: American Precision Industries Inc. · Inventors: Helfritch, Dennis J.; Gonas, Edward J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for separating particulate matte from a gas stream wherein dirty gas is moved through an electrostatic charging zone such as an electrostatic precipitator and then is moved through a filter of foraminous material such as a fabric filter of the bag type . The filter is in fluid communication with the charging zone and electrically insulated therefrom. Collected particulate material on surfaces of the charging zone or precipitator and on the filter is removed by introducing a controlled quantity of high pressure fluid at predetermined times adjacent the outlet of the charging zone or precipitator and in a direction toward the inlet thereof in a manner inducing a …
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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 December 16, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 1997.
- 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.