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%
Overall (All Time): #18,301 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 25 most recent of 89 patents

Patent #TitleCo-InventorsDate
12350930 Print head angle and stitch alignment during full speed printer operation Chad J. Slenes 2025-07-08
11858276 Resistive liquid metal level sensing in a magnetohydrodynamic (MHD) jetting system Chu-heng Liu, Paul J. McConville 2024-01-02
11260678 Print substrate optical motion sensing and dot clock generation 2022-03-01
10796209 Ink jet print head with standard computer interface 2020-10-06
10712376 Impedance measurement of individual actuators of a piezoelectric print head 2020-07-14
10507650 Piezoelectric print head drive with energy recovery 2019-12-17
10500846 Print head with integrated jet impedance measurement 2019-12-10
10486447 Print head shuttling motion with improved precision 2019-11-26
10360483 Ink jet pre-fire waveform control 2019-07-23
10252524 Print head having ink pressure sensor Steven R. Slotto, Jonathan Robert Brick, Chad J. Slenes 2019-04-09
9931840 Systems and methods for heating and measuring temperature of print head jet stacks Curtis Douglass Keller, Gautam Dhar, Chad David Freitag, Jonathan Robert Brick, Douglas Dean Darling +3 more 2018-04-03
9925773 Tin-silver diffusion soldering for thin joints without flux 2018-03-27
9849689 Water-vapor assist for filling aqueous print heads Reid W. Gunnell, Nasser Alavizadeh, Douglas Dean Darling, Walter Sean Harris, Megan Schaffer 2017-12-26
9789697 Fluid level sensor with combined capacitance and conductance Steven R. Slotto, Blake T. Weimer 2017-10-17
9457560 Method of sensing degradation of piezoelectric actuators Steven E. Ready, Terrance L. Stephens, David A. Tence 2016-10-04
9102148 Electrostatic membrane diffusion bonding structure and process Peter J. Nystrom 2015-08-11
9016816 System and method for per drop electrical signal waveform modulation for ink drop placement in inkjet printing Takahiro Peter Terayama, Douglas Dean Darling, Russell J. Watt, Terrance L. Stephens, James D. Padgett +5 more 2015-04-28
8864293 Phase change ink reservoir for a phase change inkjet printer David Platt, Tesfalem Zewdneh 2014-10-21
8721031 System and method for analyzing images deposited on an image receiving member of a printer Trevor James Snyder, David D. Martenson, Ernest Isreal Esplin, James B. Campbell 2014-05-13
8615881 Oleophobic ink jet orifice plate 2013-12-31
8579396 Fluid level sensing system and method Isaac S. Frazier, James Michael Bonicatto, Michael Norkitis 2013-11-12
8550609 System and method for measuring a supply of solid ink in a solid ink printer Ernest Isreal Esplin, Michael Alan Fairchild 2013-10-08
8449066 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 2013-05-28
8382221 Fluid level sensing system and method Isaac S. Frazier, James Michael Bonicatto, Michael Norkitis 2013-02-26
8356869 Body diode forward conduction prevention 2013-01-22