(19)
(11) EP 4 143 948 A1

(12)

(43) Date of publication:
08.03.2023 Bulletin 2023/10

(21) Application number: 21797787.5

(22) Date of filing: 30.04.2021
(51) International Patent Classification (IPC): 
H02J 50/70(2016.01)
H02J 50/80(2016.01)
H01F 27/28(2006.01)
H01F 27/26(2006.01)
H04B 5/00(2006.01)
 H02J 50/00(2016.01)
H02J 50/10(2016.01)
H01F 38/14(2006.01)
H01F 27/36(2006.01)
(52) Cooperative Patent Classification (CPC):
H01F 38/14; H02J 50/70; H02J 50/80; H01F 27/366; H01F 27/2823; H04B 5/0037; H02J 50/12
(86) International application number:
PCT/US2021/030315
(87) International publication number:
WO 2021/222843 (04.11.2021 Gazette 2021/44)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 30.04.2020 US 202016863682
30.04.2020 US 202016863691
30.04.2020 US 202016863698
30.04.2020 US 202016863703
30.04.2020 US 202016863706
30.04.2020 US 202016863710

(71) Applicant: NuCurrent, Inc.
Chicago, IL 60661 (US)

(72) Inventor:
  • ALAM, Md. Nazmul
    Chicago, Illinois 60661 (US)

(74) Representative: Dehns 
St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) WIRELESS POWER TRANSMITTERS AND ASSOCIATED BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES