David E. Hackleman
20Patents
13h-index
22Co-inventors
81Inventor score
Filing activity: Feb 28, 1983 → Nov 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5719602A | Controlling PWA inkjet nozzle timing as a function of media speed | Performing Operations; Transporting | 181 | Expired |
| US5742305A | PWA inkjet printer element with resident memory | Performing Operations; Transporting | 166 | Expired |
| US5414245A | Thermal-ink heater array using rectifying material | Performing Operations; Transporting | 151 | Expired |
| US4694302A | Reactive ink-jet printing | Performing Operations; Transporting | 113 | Expired |
| US5640183A | Redundant nozzle dot matrix printheads and method of use | Performing Operations; Transporting | 91 | Expired |
| US5609910A | Method for forming thermal-ink heater array using rectifying material | Performing Operations; Transporting | 81 | Expired |
| US4695853A | Thin film vertical resistor devices for a thermal ink jet printhead and methods of manufacture | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5734394A | Kinematically fixing flex circuit to PWA printbar | Electricity | 65 | Expired |
| US7163659B2 | Free-standing nanowire sensor and method for detecting an analyte in a fluid | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5600354A | Wrap-around flex with address and data bus | Performing Operations; Transporting | 53 | Expired |
| US4670059A | Increased solubility of carbon black | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5847722A | Inkjet printhead alignment via measurement and entry | Performing Operations; Transporting | 39 | Expired |
| US4566193A | Use of an electronic vernier for evaluation of alignment in semiconductor processing | Physics | 15 | Expired |
| US5808637A | Method and apparatus for ink drop trajectory control | Performing Operations; Transporting | 12 | Expired |
| US7833801B2 | Free-standing nanowire method for detecting an analyte in a fluid | Emerging Cross-Sectional Technologies | 6 | Active |
| US6762094B2 | Nanometer-scale semiconductor devices and method of making | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4596627A | Etching a layer over a semiconductor | Electricity | 2 | Expired |
| US4454004A | Utilizing controlled illumination for creating or removing a conductive layer from a SiO.sub.2 insulator over a PN junction bearing semiconductor | Electricity | 1 | Expired |
| US4664746A | Creating or removing a conductive layer on an insulator over a semiconductor | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9486716B2 | Essential oil extraction apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.