Inventor · disambiguated record
James Koehler
Also filed as: KOEHLER JAMES · KOEHLER JAMES E
9 granted patents·95 citations·filing 1990–2011
88Inventor score
Files withACCEL GRAPHIC SYSTEMS INC3DAHLGREN INT INC1DURST PHOTOTECHNIK AG1GALLEGOS GIOVANNI1JACOBS HENRY1
Top patents by PatentIndex Score
9 records- 0189US6619206B2Method and apparatus for maintaining ink level in ink fountain of printing pressACCEL GRAPHIC SYSTEMS INC·Filed 2002·Granted Sep 16, 2003·16 cites·9 claims
- 0286US6397745B2Method and apparatus for maintaining ink level in ink fountain of printing pressACCEL GRAPHIC SYSTEMS INC·Filed 1999·Granted Jun 4, 2002·25 cites·22 claims
- 0385US6401612B2Method and apparatus for maintaining ink level in ink fountain of printing pressACCEL GRAPHIC SYSTEMS INC·Filed 2001·Granted Jun 11, 2002·12 cites·22 claims
- 0481US8654485B1Electronic ballast with protected analog dimming control interfaceKOEHLER JAMES·Filed 2011·Granted Feb 18, 2014·10 cites·18 claims
- 0572US7843145B2System and method for power line carrier communication using high frequency tone burstsUNIVERSAL LIGHTING TECHNOLOGIES INC·Filed 2007·Granted Nov 30, 2010·12 cites·24 claims
- 0669US8405488B1System and method for encoding ballast control signalsJACOBS HENRY·Filed 2009·Granted Mar 26, 2013·5 cites·20 claims
- 0758US8564216B1Asymmetric end-of-life protection circuit for fluorescent lamp ballastsGALLEGOS GIOVANNI·Filed 2011·Granted Oct 22, 2013·3 cites·17 claims
- 0849US7926688B2Tension-controlled web processing machine and methodDURST PHOTOTECHNIK AG·Filed 2005·Granted Apr 19, 2011·2 cites·11 claims
- 0943US5046418ADampening method and apparatus for automatic ink/water control for lithographic printing pressDAHLGREN INT INC·Filed 1990·Granted Sep 10, 1991·10 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →