LexDanaLexDanabeta
Inventor

David R. Koehler

Inventor
Sherwood, OR, US

Overview

15→
Patents
1997–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary
B41JTypewriters58%
F42CAmmunition fuzes11%
H01HElectric switches11%
A01FProcessing of harvested produce5%
B64GCosmonautics5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
F16FSprings5%
PatentTitleYear
9,931,843Raised fluid pass-through structure in print heads20189,802,408'Raised fluid pass-through structure in print heads'20179,278,542'Replaceable, high-temperature, multi-channel, externally attached fluidic filter'20168,550,612'Method and system for ink delivery and purged ink recovery in an inkjet printer'20138,177,339'Fluid reservoir with compliant wall'20128,083,333'Ink umbilical interface to a printhead in a printer'20118,079,691'Foam plate for reducing foam in a printhead'20117,901,035'Directed flow drip bib for printhead with three point contact'20117,748,830'Printhead reservoir with filter external to jet fluid path'20107,455,387'Printhead with waste ink drip bib'20087,383,774'Microelectromechanical safing and arming apparatus'20087,300,143'Ink jet apparatus'20077,051,656'Microelectromechanical safing and arming apparatus'20066,634,472'Tuned mass damper with translational axis damping'20035,647,561'Containment assembly for spin table'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Based in Glendale, AZ, US· patent location history
2006–2008Patents assigned to SANDIA CORP (2)· patent assignee history
2006Based in Placitas, NM, US· patent location history
2007–2018Patents assigned to XEROX CORP (10)· patent assignee history
2007–2018Based in Sherwood, OR, US· patent location history
2008–2013Patents assigned to KOEHLER DAVID R (3)· patent assignee history
2011Patents assigned to KOEHLER DAVID ROLAND (2)· patent assignee history
2012–2013Patents assigned to PLATT DAVID P (2)· patent assignee history
2016Based in Portland, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XEROX CORP102007–2018
KOEHLER DAVID Rself32008–2013
KOEHLER DAVID ROLANDself22011
PLATT DAVID P22012–2013
SANDIA CORP22006–2008
Locations
LocationPatentsSpan
Sherwood, OR, US112007–2018
Glendale, AZ, US21997–2003
Portland, OR, US12016
Placitas, NM, US12006