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 51–75 of 89 patents

Patent #TitleCo-InventorsDate
7578586 Transfix roller load controlled by force feedback Michael E. Jones, David D. Martenson 2009-08-25
7575293 Dual drop printing mode using full length waveforms to achieve head drop mass differences Trevor James Snyder, Joel Chan 2009-08-18
7556326 Ink level sensor and method of use Ivan Andrew McCracken 2009-07-07
7543901 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 2009-06-09
7438402 Rolling ink stick Brent R. Jones, Barry D. Reeves, Edward F. Burress, Ernest Isreal Esplin, Richard G. Chambers +1 more 2008-10-21
7425061 Ink consumption determination Scott J. Korn, James D. Buehler, Gustavo J. Yusem 2008-09-16
7410165 Systems and methods for multi-pick detection Mark H. Cowan 2008-08-12
7405393 Position encoder David D. Martenson 2008-07-29
7396107 Ink jet printing with low coverage second pass Trevor James Snyder, Christine M. Greiser, James B. Jensen, Brent E. Fleming, James B. Campbell 2008-07-08
7296882 Ink jet printer performance adjustment James D. Buehler, Gustavo J. Yusem, Brent R. Jones 2007-11-20
7243917 Print media registration using active tracking of idler rotation Lloyd A. Williams, Joannes N. M. deJong 2007-07-17
7071787 Method and apparatus for the reduction of phase noise Daniel G. Knierim 2006-07-04
7021739 Ink jet processes Edward F. Burke, Barry D. Reeves, James B. Jensen, Brent R. Jones, David D. Martenson +1 more 2006-04-04
7019560 High voltage level translator Guenther W. Wimmer 2006-03-28
6983934 Print media thickness measurement system 2006-01-10
6972403 Position encoder David D. Martenson 2005-12-06
6247785 Positioning assembly for drive mechanism Brent R. Jones, James B. Jensen 2001-06-19
6244686 Print head drive mechanism James B. Jensen, Brent R. Jones 2001-06-12
6076922 Method and apparatus for generating a dot clock signal for controlling operation of a print head 2000-06-20
6049393 Method for enhancing resolution in a printed image A. J. Rogers 2000-04-11
5689288 Ink level sensor Guenther W. Wimmer, Richard S. Meissner 1997-11-18
5677647 High power pulse waveform generator 1997-10-14
5659587 Spread spectrum phase-locked loop clock generator with VCO driven by a symmetrical voltage ramp signal 1997-08-19
5600352 Apparatus and method for controlling coalescence of ink drops on a print medium Mark R. Parker 1997-02-04
5532566 Voltage mode drive of servo system Edward F. Burke 1996-07-02