Patent Yard Sign in
Canadian application, no grantCanada

Power management for hybrid battery systems

CA 2381035 A1 · Owner: Rait, Joseph · Inventors: Rait, Joseph; Feldstein, Robert S.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A hybrid battery system has a power source at least one battery charger, a , hybrid battery module, and a load. The hybrid battery module comprises a high capacity battery and a high rate, battery connected in parallel with each other and an isolation diode , connected between the output side of the high capacity battery and the high rate battery so as to permit charging current to flow, from the high capacity battery to the high rate battery when the terminal voltage of the high rate, battery falls below the terminal voltage of the high capacity battery by an amount at least equal to, the forward bias voltage of the isolation diode. Typically the terminal , voltage of each of the high …

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 April 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 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.
FiledApril 9, 2002
GrantedNo grant recorded
Term endedApril 9, 2022
Patent numberCA 2381035 A1
Classification (IPC)H02J7/34 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedApril 9, 2002Term endedApril 9, 2022

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.