Inventor · disambiguated record
David R. Koehler
Also filed as: KOEHLER DAVID R · KOEHLER DAVID ROLAND
15 granted patents·2 pending applications·151 citations·filing 1993–2017
92Inventor score
Top patents by PatentIndex Score
17 records- 0190US8550612B2Method and system for ink delivery and purged ink recovery in an inkjet printerPARK DANIEL CLARK·Filed 2010·Granted Oct 8, 2013·7 cites·12 claims
- 0289US7455387B2Printhead with waste ink drip bibCUNNINGTON JAMES MATTHEW·Filed 2005·Granted Nov 25, 2008·16 cites·20 claims
- 0389US7300143B2Ink jet apparatusXEROX CORP·Filed 2005·Granted Nov 27, 2007·12 cites·7 claims
- 0487US7051656B1Microelectromechanical safing and arming apparatusSANDIA CORP·Filed 2003·Granted May 30, 2006·38 cites·37 claims
- 0586US7748830B2Printhead reservoir with filter external to jet fluid pathXEROX CORP·Filed 2006·Granted Jul 6, 2010·8 cites·17 claims
- 0684US6634472B1Tuned mass damper with translational axis dampingFiled 2002·Granted Oct 21, 2003·28 cites·18 claims
- 0783US7383774B1Microelectromechanical safing and arming apparatusSANDIA CORP·Filed 2006·Granted Jun 10, 2008·13 cites·10 claims
- 0875US7901035B2Directed flow drip bib for printhead with three point contactXEROX CORP·Filed 2009·Granted Mar 8, 2011·5 cites·20 claims
- 0973US8079691B2Foam plate for reducing foam in a printheadKOEHLER DAVID ROLAND·Filed 2009·Granted Dec 20, 2011·5 cites·15 claims
- 1072US8083333B2Ink umbilical interface to a printhead in a printerFREITAG CHAD DAVID·Filed 2008·Granted Dec 27, 2011·4 cites·20 claims
- 1167US9278542B1Replaceable, high-temperature, multi-channel, externally attached fluidic filterXEROX CORP·Filed 2015·Granted Mar 8, 2016·1 cites·18 claims
- 1263US9931843B2Raised fluid pass-through structure in print headsXEROX CORP·Filed 2017·Granted Apr 3, 2018·0 cites·15 claims
- 1357US9802408B2Raised fluid pass-through structure in print headsXEROX CORP·Filed 2015·Granted Oct 31, 2017·0 cites·8 claims
- 1449US8177339B2Fluid reservoir with compliant wallSTEPHENS TERRANCE L·Filed 2008·Granted May 15, 2012·0 cites·15 claims
- 1543US5647561AContainment assembly for spin tableHONEYWELL INC·Filed 1993·Granted Jul 15, 1997·14 cites·18 claims
- 1642US2012224167A1Apparatus and method for chemical, biological and radiological agent sensingSANDERS GLEN A·Filed 2007·Application pending·0 cites
- 1739US2008122901A1Printhead reservoir with filter used as a check valveXEROX CORP·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David R. Koehler 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 →