Device for eliminating static electricity
CA 1209637 A · Owner: Wallen (J-O) Electronic Int.Ab · Inventors: Wallen, Jan-Olov
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device which, entirely eliminates static electricity on technical equipment and charged materials. This is effected by using an electric circuit between charging media and machine part which circuit comprises in series at least one resistor one, tunnel diode and one coupling diode. A capacitor is connected in parallel over the tunnel diode, and a direct voltage is laid over the resistor and the tunnel diode.
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 August 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 2003.
- 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.