Inventor
CHAMPLIN KEITH S
US33 patents
⚠️ This page may combine multiple inventors who share the name “CHAMPLIN KEITH S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
17 patentsUS6737831B2May 18, 2004
Method and apparatus using a circuit model to evaluate cell/battery parameters
146 citations99
US6495990B2Dec 17, 2002
Method and apparatus for evaluating stored charge in an electrochemical cell or battery
166 citations99
US6466026B1Oct 15, 2002
Programmable current exciter for measuring AC immittance of cells and batteries
172 citations99
US6417669B1Jul 9, 2002
Suppressing interference in AC measurements of cells, batteries and other electrical elements
184 citations99
US6313607B1Nov 6, 2001
Method and apparatus for evaluating stored charge in an electrochemical cell or battery
195 citations99
US6294897B1Sep 25, 2001
Method and apparatus for electronically evaluating the internal temperature of an electrochemical cell or battery
308 citations99
US6294896B1Sep 25, 2001
Method and apparatus for measuring complex self-immitance of a general electrical element
189 citations99
US6262563B1Jul 17, 2001
Method and apparatus for measuring complex admittance of cells and batteries
231 citations99
US6222369B1Apr 24, 2001
Method and apparatus for determining battery properties from complex impedance/admittance
207 citations99
US6172483B1Jan 9, 2001
Method and apparatus for measuring complex impedance of cells and batteries
293 citations99
US6137269AOct 24, 2000
Method and apparatus for electronically evaluating the internal temperature of an electrochemical cell or battery
223 citations99
US6037777AMar 14, 2000
Method and apparatus for determining battery properties from complex impedance/admittance
334 citations99
US6002238ADec 14, 1999
Method and apparatus for measuring complex impedance of cells and batteries
304 citations99
US5598098AJan 28, 1997
Electronic battery tester with very high noise immunity
292 citations99
US5585728ADec 17, 1996
Electronic battery tester with automatic compensation for low state-of-charge
226 citations99
US5572136ANov 5, 1996
Electronic battery testing device
276 citations99
US6621272B2Sep 16, 2003
Programmable current exciter for measuring AC immittance of cells and batteries
115 citations98
CHAMPLIN KEITH S
8 patentsUS5343380AAug 30, 1994
Method and apparatus for suppressing time-varying signals in batteries undergoing charging or discharging
CHAMPLIN KEITH S265 citations99
US5140269AAug 18, 1992
Electronic tester for assessing battery/cell capacity
CHAMPLIN KEITH S285 citations99
US4912416AMar 27, 1990
Electronic battery testing device with state-of-charge compensation
CHAMPLIN KEITH S322 citations99
US4881038ANov 14, 1989
Electric battery testing device with automatic voltage scaling to determine dynamic conductance
CHAMPLIN KEITH S247 citations99
US4825170AApr 25, 1989
Electronic battery testing device with automatic voltage scaling
CHAMPLIN KEITH S285 citations99
US4816768AMar 28, 1989
Electronic battery testing device
CHAMPLIN KEITH S336 citations99
US9588185B2Mar 7, 2017
Method and apparatus for detecting cell deterioration in an electrochemical cell or battery
CHAMPLIN KEITH S37 citations94
US9851411B2Dec 26, 2017
Suppressing HF cable oscillations during dynamic measurements of cells and batteries
CHAMPLIN KEITH S5 citations73
MIDTRONICS INC
4 patentsUS5821756AOct 13, 1998
Electronic battery tester with tailored compensation for low state-of charge
MIDTRONICS INC258 citations99
US7425833B2Sep 16, 2008
Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries
MIDTRONICS INC76 citations98
US7106070B2Sep 12, 2006
Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries
MIDTRONICS INC107 citations98
US6906523B2Jun 14, 2005
Method and apparatus for testing cells and batteries embedded in series/parallel systems
MIDTRONICS INC124 citations98
FMC CORP
4 patentsUS4627070ADec 2, 1986
Asynchronous data bus system
FMC CORP45 citations91
US4665518AMay 12, 1987
Synchronous/asynchronous communication system
FMC CORP40 citations87
US4561088ADec 24, 1985
Communication system bypass architecture
FMC CORP25 citations79
US4486852ADec 4, 1984
Synchronous time-shared data bus system
FMC CORP12 citations71