Two stage electrostatic precipitator
CA 1111788 A · Owner: Emerson Electric Co. · Inventors: Milum, Jimmy L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrostatic precipitator having an ionizing section including a series of positively charged fine wires in equally spaced parallel relationship and a collector section including alternate positive and negative plates equally spaced and parallel with the ionizing wires. Three negative plates of the collector section are extended into the ionizing section adjacent each wire to provide an ionizing electrostatic field having three components.
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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
- 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.