Inventor · disambiguated record
Marc Syvertsen
Also filed as: SYVERTSEN MARC · SYVERTSEN MARC L · SYVERTSEN MARC LOUIS
13 granted patents·6 pending applications·165 citations·filing 2001–2025
89Inventor score
Top patents by PatentIndex Score
19 records- 0194US7288920B2Method and apparatus for regulating charging of electrochemical cellsSPECTRUM BRANDS INC FKA RAYOVA·Filed 2005·Granted Oct 30, 2007·49 cites·35 claims
- 0292US6878481B2Method and apparatus for regulating charging of electrochemical cellsRAY O VAC CORP·Filed 2001·Granted Apr 12, 2005·68 cites·47 claims
- 0387US11031644B2Metal-air cells with minimal air accessENERGIZER BRANDS LLC·Filed 2019·Granted Jun 8, 2021·5 cites·20 claims
- 0487US6794074B2Air manager for metal-air cellsRAY O VAC CORP·Filed 2001·Granted Sep 21, 2004·33 cites·55 claims
- 0582US2024429500A1Zinc-air electrochemical cells with carbon dioxide scavengersENERGIZER BRANDS LLC·Filed 2024·Application pending·0 cites
- 0677US11848435B2Metal-air cells with minimal air accessENERGIZER BRANDS LLC·Filed 2023·Granted Dec 19, 2023·0 cites·18 claims
- 0772US11502356B2Metal-air cells with minimal air accessENERGIZER BRANDS LLC·Filed 2021·Granted Nov 15, 2022·0 cites·16 claims
- 0872US2025273772A1Electrochemical cells including electrode stacks for metal-air batteriesFORM ENERGY INC·Filed 2025·Application pending·0 cites
- 0971US2025132387A1Mitigating passivation of metal electrodesFORM ENERGY INC·Filed 2024·Application pending·0 cites
- 1070US12107280B2Zinc-air electrochemical cells with carbon dioxide scavengersENERGIZER BRANDS LLC·Filed 2019·Granted Oct 1, 2024·0 cites·7 claims
- 1170US11575168B2Metal-air cells with minimal air accessENERGIZER BRANDS LLC·Filed 2021·Granted Feb 7, 2023·0 cites·18 claims
- 1266US2024243246A1Solid state additives for iron negative electrodesFORM ENERGY INC·Filed 2023·Application pending·0 cites
- 1360US8003251B2Electrochemical cell grommet having a sidewall with a nonuniform thicknessROVCAL INC·Filed 2006·Granted Aug 23, 2011·1 cites·20 claims
- 1459US2024063398A1Solid state additives for iron negative electrodesFORM ENERGY INC·Filed 2023·Application pending·0 cites
- 1558US6938775B2Button cell battery pack with air access channelROVCAL INC·Filed 2003·Granted Sep 6, 2005·7 cites·27 claims
- 1651US7651814B2Electrochemical cell having improved radial sealROVCAL INC·Filed 2004·Granted Jan 26, 2010·2 cites·18 claims
- 1743US11949060B2Rechargeable hearing aid battery with slotted grommetENERGIZER BRANDS LLC·Filed 2019·Granted Apr 2, 2024·0 cites·15 claims
- 1843US10320041B2Zinc-air battery surfactantsSPECTRUM BRANDS·Filed 2015·Granted Jun 11, 2019·0 cites·14 claims
- 1933US2002127470A1Independent seal and vent for an electrochemical cellFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Marc Syvertsen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →