David Maxfield
28Patents
7h-index
32Co-inventors
69Inventor score
Filing activity: May 21, 1996 → Oct 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9796178B2 | Fluid ejection apparatus with single-side thermal sensor | Performing Operations; Transporting | 33 | Active |
| US5945223A | Flow coating solution and fuser member layers prepared therewith | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5642641A | Dome shaped extruded location feature tool for making the location feature and method for locating adjoining plates using the location feature | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6479158B1 | Fuser member with an amino silane adhesive layer and preparation thereof | Emerging Cross-Sectional Technologies | 15 | Expired |
| US10082015B2 | Apparatus for measuring a tubular string as it is lowered into a borehole and method | Physics | 10 | Active |
| US9610772B2 | Printhead assembly | Performing Operations; Transporting | 8 | Active |
| US8870322B2 | Calibrating a program that detects a condition of an inkjet nozzle | Performing Operations; Transporting | 8 | Active |
| US8899709B2 | Determining an issue with an inkjet nozzle using an impedance difference | Performing Operations; Transporting | 7 | Active |
| US8333453B2 | Method of dispensing liquid | Performing Operations; Transporting | 4 | Active |
| US8511796B2 | Firing cell | Performing Operations; Transporting | 4 | Active |
| US9701116B2 | Determining an issue in an inkjet nozzle with impedance measurements | Performing Operations; Transporting | 4 | Active |
| US9962949B2 | Printheads with sensor plate impedance measurement | Performing Operations; Transporting | 3 | Active |
| US9669624B2 | Fluid ejection apparatus with single-side thermal sensor | Performing Operations; Transporting | 3 | Active |
| US9352564B2 | Determining an issue in an inkjet nozzle with impedance measurements | Performing Operations; Transporting | 2 | Active |
| US10493752B2 | Detecting a drive bubble formation and collapse | Performing Operations; Transporting | 1 | Active |
| US10336089B2 | Printheads with sensor plate impedance measurement | Performing Operations; Transporting | 1 | Active |
| US9796181B2 | Fluid ejection apparatus with single power supply connector | Performing Operations; Transporting | 1 | Active |
| US11065867B2 | Detecting a drive bubble formation and collapse | Performing Operations; Transporting | 0 | Active |
| US9463622B2 | Determining an issue in an inkjet nozzle with impedance measurements | Performing Operations; Transporting | 0 | Active |
| US9956771B2 | Fluid ejection apparatus with single-side thermal sensor | Performing Operations; Transporting | 0 | Active |
| US9950517B2 | Detecting a drive bubble formation and collapse | Performing Operations; Transporting | 0 | Active |
| US10029464B2 | Fluid ejection apparatus with single power supply connector | Performing Operations; Transporting | 0 | Active |
| US10369801B2 | Liquid propelling component | Performing Operations; Transporting | 0 | Active |
| US9987850B2 | Printhead assembly | Performing Operations; Transporting | 0 | Active |
| US10725490B2 | Switches for bypass capacitors | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.