DK

David L. Knierim

Xerox: 66 patents #140 of 8,622Top 2%
Tektronix: 21 patents #26 of 1,698Top 2%
AT Additive Technologies: 1 patents #20 of 34Top 60%
PI Palo Alto Research Center Incorporated: 1 patents #500 of 776Top 65%
TE Tektronic: 1 patents #1 of 12Top 9%
📍 Wilsonville, OR: #3 of 283 inventorsTop 2%
🗺 Oregon: #259 of 28,073 inventorsTop 1%
Overall (All Time): #18,301 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 26–50 of 89 patents

Patent #TitleCo-InventorsDate
8256869 Capacitive drop mass measurement system Christian Amoah-Kusi, James D. Padgett 2012-09-04
8226185 Drive belt slip and belt wear detection Michael E. Jones, David Allaway 2012-07-24
8226187 Tilt mitigation methods to control reservoir ink level and printhead pressure Trevor James Snyder, David Platt 2012-07-24
8205971 Electrically grounded inkjet ejector and method for making an electrically grounded inkjet ejector Tygh James Newton, John R. Andrews 2012-06-26
8149017 Low-voltage to high-voltage level translation using capacitive coupling 2012-04-03
8128216 Transfix roller load controlled by force feedback Michael E. Jones, David D. Martenson 2012-03-06
8109591 System and method for protecting a printer from an over-temperature condition in a printhead Christian C. Gadke, Lee M. Oien, Nathaniel Morrison, Aaron Boyce, Bruce Baur 2012-02-07
8075118 Segmented ink stick Richard G. Chambers, Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin +1 more 2011-12-13
8057008 Ink conductivity fault tolerant mode Ivan Andrew McCracken, Michael Kenneth Oehl 2011-11-15
8047648 Transfix roller load controlled by force feedback Michael E. Jones, David D. Matenson 2011-11-01
8024968 Apparatus and method for detecting ink in a reservoir Mirza Sabanovic, Michael Kenneth Oehl 2011-09-27
7988274 Ink consumption determination James D. Buehler, Gustavo J. Yusem 2011-08-02
7971481 Circuit design to prevent false level sense readings Ivan Andrew McCracken 2011-07-05
7934657 Encoder home position sensing method and system David D. Martenson 2011-05-03
7926898 Faster warm-up, lower energy, and quieter modes for solid ink printers Trevor James Snyder, Amy R. Bartlett, Bo Wu, Randall R. Bridgeman, Andrew W. Hill +4 more 2011-04-19
7753509 Segmented ink stick Richard G. Chambers, Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin +1 more 2010-07-13
7753510 Solid ink composition with post-melt mixing Donald R. Titterington, Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin +2 more 2010-07-13
7695126 Ink loader mechanism using an ink stick carrier Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin, Richard G. Chambers +1 more 2010-04-13
7654663 Transfix roller load controlled by motor current Michael E. Jones 2010-02-02
7641327 Replaceable ink stick guides and supports Brent R. Jones, Edward F. Burress, Ernest Isreal Esplin, Richard G. Chambers, Jasper Wong 2010-01-05
7629761 System for measuring current in multiple motor coils using a single sensing element 2009-12-08
7623254 Systems and methods for detecting inkjet defects Elliott A. Eklund, Jeffrey J. Folkins 2009-11-24
7594716 Collapsible ink loader feed support Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin, Richard G. Chambers +1 more 2009-09-29
7591550 Ink consumption determination James D. Buehler, Gustavo J. Yusem 2009-09-22
7588305 Dual drop printing mode using full length waveforms to achieve head drop mass differences Trevor James Snyder, Joel Chan 2009-09-15