Method for fast-charging a battery and device for carrying out said method
CA 2489067 A1 · Owner: Flisar, Karel · Inventors: Hercog, Franc; Flisar, Karel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
he present invention refers to a method for fast-charging a secondary battery and to a device for carrying out said method. Fast charging is achieved by converting a DC supply voltage into a pulsating voltage which is transmitted to the secondary battery to be charged. The pulsating voltage is lead to the battery in intervals of about 10 microseconds with pauses in between of about 100 microseconds and up to 10 milliseconds.
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
- Filed October 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 25, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 25, 2024.
- 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.