Inventor · disambiguated record
Paul W. Firehammer
Also filed as: FIREHAMMER PAUL · FIREHAMMER PAUL W · FIREHAMMER PAUL WALDEMAR
22 granted patents·9 pending applications·152 citations·filing 1997–2025
95Inventor score
Top patents by PatentIndex Score
31 records- 0196US11923494B2Battery configurations having through-pack fastenersAPPLE INC·Filed 2020·Granted Mar 5, 2024·6 cites·20 claims
- 0296US11677120B2Battery configurations having through-pack fastenersAPPLE INC·Filed 2020·Granted Jun 13, 2023·8 cites·20 claims
- 0396US11588155B1Battery configurations for cell balancingAPPLE INC·Filed 2020·Granted Feb 21, 2023·11 cites·17 claims
- 0496US10916796B1Selective charging matrix for rechargeable batteriesAPPLE INC·Filed 2019·Granted Feb 9, 2021·19 cites·20 claims
- 0594US11600891B1Battery configurations having balanced current collectorsAPPLE INC·Filed 2020·Granted Mar 7, 2023·11 cites·21 claims
- 0689US8629581B2System and method for communicating notice to limit degradation within a battery packRUTKOWSKI BRIAN D·Filed 2010·Granted Jan 14, 2014·9 cites·20 claims
- 0786US8541979B2System and method for balancing voltage of individual battery cells within a battery packFIREHAMMER PAUL W·Filed 2010·Granted Sep 24, 2013·22 cites·20 claims
- 0885US11190008B1Capacitance pre-chargingWU HUNTER·Filed 2020·Granted Nov 30, 2021·3 cites·23 claims
- 0983US2024372130A1Battery configurations having through-pack fastenersAPPLE INC·Filed 2024·Application pending·0 cites
- 1082US12288900B2Battery configurations having through-pack fastenersSTACKED ENERGY INC·Filed 2023·Granted Apr 29, 2025·0 cites·20 claims
- 1181US12170376B1Battery configurations for cell balancingAPPLE INC·Filed 2023·Granted Dec 17, 2024·0 cites·20 claims
- 1279US9160190B2System and method for assessing ADC operation and voltage of a battery packMOORHEAD BRIAN C·Filed 2011·Granted Oct 13, 2015·4 cites·20 claims
- 1378US10067197B2System and method for assessing voltage threshold detecting circuitry within a battery packA123 SYSTEMS LLC·Filed 2017·Granted Sep 4, 2018·1 cites·20 claims
- 1478US6577095B1Brushless alternating current electric servo motor driveWHEDCO INC·Filed 2000·Granted Jun 10, 2003·27 cites·12 claims
- 1578US2025226537A1Battery configurations having through-pack fastenersSTACKED ENERGY INC·Filed 2025·Application pending·0 cites
- 1677US8427107B2System and method for extending the usable capacity of a battery pack via controlling battery current through different current pathsFIREHAMMER PAUL W·Filed 2010·Granted Apr 23, 2013·6 cites·20 claims
- 1773US9793724B2System and method for monitoring and balancing voltage of individual battery cells within a battery packFIREHAMMER PAUL W·Filed 2011·Granted Oct 17, 2017·4 cites·20 claims
- 1872US9864014B2System and method for assessing voltage threshold detecting circuitry within a battery packA123 SYSTEMS LLC·Filed 2015·Granted Jan 9, 2018·1 cites·13 claims
- 1972US9157967B2System and method for assessing voltage threshold detecting circuitry within a battery packFIREHAMMER PAUL W·Filed 2011·Granted Oct 13, 2015·2 cites·6 claims
- 2065US12009655B2Switchable pyro fuseAPPLE INC·Filed 2021·Granted Jun 11, 2024·0 cites·20 claims
- 2160US9641004B2System and method for balancing charge between battery cellsFLOROS JOHN H·Filed 2012·Granted May 2, 2017·2 cites·17 claims
- 2260US6563280B2Pulse based servo motor controlled labelerWHEDCO INC·Filed 2001·Granted May 13, 2003·10 cites·9 claims
- 2360US2023092785A1Cell-to-cell busbar fuseAPPLE INC·Filed 2022·Application pending·0 cites
- 2453US2018006472A1System and method for monitoring and balancing voltage of individual battery cells within a battery packA123 SYSTEMS LLC·Filed 2017·Application pending·0 cites
- 2547US2010289453A1Vehicle power systemFORD GLOBAL TECH LLC·Filed 2009·Application pending·0 cites
- 2644US2012292987A1System and Method Providing Power Within a Battery PackRUTKOWSKI BRIAN D·Filed 2011·Application pending·0 cites
- 2743US2012274284A1System and Method for Controlling Voltage of Individual Battery Cells Within a Battery PackFIREHAMMER PAUL W·Filed 2011·Application pending·0 cites
- 2842US2013009464A1System and Method for Controlling a Battery Pack Output ContactorA123 SYSTEMS INC·Filed 2011·Application pending·0 cites
- 2941US9618544B2System and method for verifying a reference voltage for battery cell monitoringFLOROS JOHN H·Filed 2011·Granted Apr 11, 2017·0 cites·20 claims
- 3040US2011309796A1System and Method for Managing Charge Within a Battery PackFIREHAMMER PAUL W·Filed 2010·Application pending·0 cites
- 3130US5932986APrecise control of the rotational velocity of brushless alternating current electric servo motorsWHEDCO INC·Filed 1997·Granted Aug 3, 1999·6 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Paul W. Firehammer 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 →