Keith S. Champlin — 33 Patents at Fmc

Keith S. Champlin has been granted 33 US patents while listed as an inventor at Fmc. The first was granted in 1984 and the most recent in December 2017. Keith S. Champlin ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Keith S. Champlin in Minneapolis, MN, US.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #	Title	Co-Inventors	Date
9851411	Suppressing HF cable oscillations during dynamic measurements of cells and batteries	—	2017-12-26
9588185	Method and apparatus for detecting cell deterioration in an electrochemical cell or battery	—	2017-03-07
7425833	Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries	Kevin I. Bertness	2008-09-16
7106070	Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries	Kevin I. Bertness	2006-09-12
6906523	Method and apparatus for testing cells and batteries embedded in series/parallel systems	Kevin I. Bertness	2005-06-14
6737831	Method and apparatus using a circuit model to evaluate cell/battery parameters	—	2004-05-18
6621272	Programmable current exciter for measuring AC immittance of cells and batteries	—	2003-09-16
6495990	Method and apparatus for evaluating stored charge in an electrochemical cell or battery	—	2002-12-17
6466026	Programmable current exciter for measuring AC immittance of cells and batteries	—	2002-10-15
6417669	Suppressing interference in AC measurements of cells, batteries and other electrical elements	—	2002-07-09
6313607	Method and apparatus for evaluating stored charge in an electrochemical cell or battery	—	2001-11-06
6294896	Method and apparatus for measuring complex self-immitance of a general electrical element	—	2001-09-25
6294897	Method and apparatus for electronically evaluating the internal temperature of an electrochemical cell or battery	—	2001-09-25
6262563	Method and apparatus for measuring complex admittance of cells and batteries	—	2001-07-17
6222369	Method and apparatus for determining battery properties from complex impedance/admittance	—	2001-04-24
6172483	Method and apparatus for measuring complex impedance of cells and batteries	—	2001-01-09
6137269	Method and apparatus for electronically evaluating the internal temperature of an electrochemical cell or battery	—	2000-10-24
6037777	Method and apparatus for determining battery properties from complex impedance/admittance	—	2000-03-14
6002238	Method and apparatus for measuring complex impedance of cells and batteries	—	1999-12-14
5821756	Electronic battery tester with tailored compensation for low state-of charge	Stephen J. McShane, Kevin I. Bertness	1998-10-13
5598098	Electronic battery tester with very high noise immunity	—	1997-01-28
5585728	Electronic battery tester with automatic compensation for low state-of-charge	—	1996-12-17
5572136	Electronic battery testing device	—	1996-11-05
5343380	Method and apparatus for suppressing time-varying signals in batteries undergoing charging or discharging	—	1994-08-30
5140269	Electronic tester for assessing battery/cell capacity	—	1992-08-18

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Keith S. Champlin — 33 Patents

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