DM

David Maxfield

HP HP: 24 patents #449 of 16,619Top 3%
Xerox: 3 patents #3,111 of 8,622Top 40%
Overall (All Time): #138,041 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11065867 Detecting a drive bubble formation and collapse Eric Martin, Andrew L. Van Brocklin 2021-07-20
10725490 Switches for bypass capacitors James Michael Gardner, Eric Martin 2020-07-28
10654268 Modifying firing parameters for printheads Gerard Alzona, Dustin Blair, Sterling Chaffins, Andrew L. Van Brocklin 2020-05-19
10493752 Detecting a drive bubble formation and collapse Eric Martin, Andrew L. Van Brocklin 2019-12-03
10369801 Liquid propelling component Vincent C. Korthuis, Andrew Queisser 2019-08-06
10336089 Printheads with sensor plate impedance measurement Adam L. Ghozeil, Scott A. Linn, Andrew L. Van Brocklin 2019-07-02
10183488 Printer fluid impedance sensing in a printhead Gerard Alzona, Dustin Blair, Sterling Chaffins, Andrew L. Van Brocklin 2019-01-22
10082015 Apparatus for measuring a tubular string as it is lowered into a borehole and method Charles Mark Williams, Lance C. Jordan, Kevin J. Smith, Patrick A. Burns, Jr., Phillip Phelps +1 more 2018-09-25
10029464 Fluid ejection apparatus with single power supply connector Adam L. Ghozeil, Peter Fricke 2018-07-24
9987850 Printhead assembly Sean P. McClelland 2018-06-05
9962949 Printheads with sensor plate impedance measurement Adam L. Ghozeil, Scott A. Linn, Andrew L. Van Brocklin 2018-05-08
9956771 Fluid ejection apparatus with single-side thermal sensor 2018-05-01
9950517 Detecting a drive bubble formation and collapse Eric Martin, Andrew L. Van Brocklin 2018-04-24
9796178 Fluid ejection apparatus with single-side thermal sensor 2017-10-24
9796181 Fluid ejection apparatus with single power supply connector Adam L. Ghozeil, Peter Fricke 2017-10-24
9701116 Determining an issue in an inkjet nozzle with impedance measurements Andrew L. Van Brocklin, Eric Martin, Alexander Govyadinov 2017-07-11
9669624 Fluid ejection apparatus with single-side thermal sensor 2017-06-06
9610772 Printhead assembly Sean P. McClelland 2017-04-04
9463622 Determining an issue in an inkjet nozzle with impedance measurements Andrew L. Van Brocklin, Eric Martin, Alexander Govyadinov 2016-10-11
9409393 Detecting a drive bubble formation and collapse Eric Martin, Andrew L. Van Brocklin 2016-08-09
9352564 Determining an issue in an inkjet nozzle with impedance measurements Andrew L. Van Brocklin, Eric Martin, Alexander Govyadinov 2016-05-31
8899709 Determining an issue with an inkjet nozzle using an impedance difference Alexander Govyadinov, Andrew L. Van Brocklin, Eric Martin 2014-12-02
8870322 Calibrating a program that detects a condition of an inkjet nozzle Eric Martin, Andrew L. Van Brooklin 2014-10-28
8511796 Firing cell Adam L. Ghozeil, Andrew Phillips, Eugene Mar, Matthew P. Heineck, Mark H. MacKenzie 2013-08-20
8333453 Method of dispensing liquid Christie Dudenhoefer, Kenneth Ward, Alexander Govyadinov 2012-12-18