Inventor · disambiguated record
Keith S. Champlin
Also filed as: CHAMPLIN KEITH S
33 granted patents·1 pending application·6,330 citations·filing 1979–2013
99Inventor score
Top patents by PatentIndex Score
34 records- 0199US6495990B2Method and apparatus for evaluating stored charge in an electrochemical cell or batteryFiled 2001·Granted Dec 17, 2002·166 cites·25 claims
- 0299US6466026B1Programmable current exciter for measuring AC immittance of cells and batteriesFiled 2001·Granted Oct 15, 2002·172 cites·11 claims
- 0399US6417669B1Suppressing interference in AC measurements of cells, batteries and other electrical elementsFiled 2001·Granted Jul 9, 2002·184 cites·98 claims
- 0499US6294896B1Method and apparatus for measuring complex self-immitance of a general electrical elementFiled 2000·Granted Sep 25, 2001·189 cites·100 claims
- 0599US6262563B1Method and apparatus for measuring complex admittance of cells and batteriesFiled 2000·Granted Jul 17, 2001·231 cites·94 claims
- 0699US6222369B1Method and apparatus for determining battery properties from complex impedance/admittanceFiled 2000·Granted Apr 24, 2001·207 cites·25 claims
- 0799US6172483B1Method and apparatus for measuring complex impedance of cells and batteriesFiled 1999·Granted Jan 9, 2001·293 cites·52 claims
- 0899US6037777AMethod and apparatus for determining battery properties from complex impedance/admittanceFiled 1998·Granted Mar 14, 2000·334 cites·21 claims
- 0999US6002238AMethod and apparatus for measuring complex impedance of cells and batteriesFiled 1998·Granted Dec 14, 1999·304 cites·42 claims
- 1099US5598098AElectronic battery tester with very high noise immunityFiled 1994·Granted Jan 28, 1997·292 cites·12 claims
- 1199US5585728AElectronic battery tester with automatic compensation for low state-of-chargeFiled 1995·Granted Dec 17, 1996·226 cites·26 claims
- 1299US5572136AElectronic battery testing deviceFiled 1995·Granted Nov 5, 1996·276 cites·11 claims
- 1399US5140269AElectronic tester for assessing battery/cell capacityCHAMPLIN KEITH S·Filed 1990·Granted Aug 18, 1992·285 cites·45 claims
- 1499US4912416AElectronic battery testing device with state-of-charge compensationCHAMPLIN KEITH S·Filed 1989·Granted Mar 27, 1990·322 cites·10 claims
- 1599US4881038AElectric battery testing device with automatic voltage scaling to determine dynamic conductanceCHAMPLIN KEITH S·Filed 1988·Granted Nov 14, 1989·247 cites·19 claims
- 1699US4825170AElectronic battery testing device with automatic voltage scalingCHAMPLIN KEITH S·Filed 1988·Granted Apr 25, 1989·285 cites·19 claims
- 1798US9588185B2Method and apparatus for detecting cell deterioration in an electrochemical cell or batteryCHAMPLIN KEITH S·Filed 2010·Granted Mar 7, 2017·37 cites·26 claims
- 1898US7425833B2Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteriesMIDTRONICS INC·Filed 2006·Granted Sep 16, 2008·76 cites·10 claims
- 1998US7106070B2Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteriesMIDTRONICS INC·Filed 2004·Granted Sep 12, 2006·107 cites·26 claims
- 2098US6737831B2Method and apparatus using a circuit model to evaluate cell/battery parametersFiled 2002·Granted May 18, 2004·146 cites·143 claims
- 2198US6621272B2Programmable current exciter for measuring AC immittance of cells and batteriesFiled 2002·Granted Sep 16, 2003·115 cites·35 claims
- 2298US6313607B1Method and apparatus for evaluating stored charge in an electrochemical cell or batteryFiled 1999·Granted Nov 6, 2001·195 cites·19 claims
- 2398US6294897B1Method and apparatus for electronically evaluating the internal temperature of an electrochemical cell or batteryFiled 2000·Granted Sep 25, 2001·308 cites·37 claims
- 2498US5821756AElectronic battery tester with tailored compensation for low state-of chargeMIDTRONICS INC·Filed 1996·Granted Oct 13, 1998·258 cites·12 claims
- 2598US4816768AElectronic battery testing deviceCHAMPLIN KEITH S·Filed 1988·Granted Mar 28, 1989·336 cites·40 claims
- 2697US6906523B2Method and apparatus for testing cells and batteries embedded in series/parallel systemsMIDTRONICS INC·Filed 2002·Granted Jun 14, 2005·124 cites·70 claims
- 2796US6137269AMethod and apparatus for electronically evaluating the internal temperature of an electrochemical cell or batteryFiled 1999·Granted Oct 24, 2000·223 cites·11 claims
- 2895US5343380AMethod and apparatus for suppressing time-varying signals in batteries undergoing charging or dischargingCHAMPLIN KEITH S·Filed 1992·Granted Aug 30, 1994·265 cites·8 claims
- 2984US9851411B2Suppressing HF cable oscillations during dynamic measurements of cells and batteriesCHAMPLIN KEITH S·Filed 2013·Granted Dec 26, 2017·5 cites·15 claims
- 3078US4627070AAsynchronous data bus systemFMC CORP·Filed 1981·Granted Dec 2, 1986·45 cites·50 claims
- 3173US4665518ASynchronous/asynchronous communication systemFMC CORP·Filed 1984·Granted May 12, 1987·40 cites·26 claims
- 3265US4561088ACommunication system bypass architectureFMC CORP·Filed 1984·Granted Dec 24, 1985·25 cites·51 claims
- 3353US4486852ASynchronous time-shared data bus systemFMC CORP·Filed 1979·Granted Dec 4, 1984·12 cites·16 claims
- 3435US2002047711A1Method and apparatus for testing cells and batteries embedded in series/parallel systemsFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keith S. Champlin 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 →