James E. Clark
55Patents
23h-index
50Co-inventors
91Inventor score
Filing activity: Mar 6, 1989 → Apr 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5467118A | Ink cartridge for a hard copy printing or plotting apparatus | Performing Operations; Transporting | 201 | Expired |
| US6203147A | Electrical and fluidic interface for an ink supply | Physics | 142 | Expired |
| US5777646A | Self-sealing fluid inerconnect with double sealing septum | Performing Operations; Transporting | 119 | Expired |
| US6168262A | Electrical interconnect for replaceable ink containers | Performing Operations; Transporting | 114 | Expired |
| US6341853B1 | Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter | Performing Operations; Transporting | 90 | Expired |
| US5757390A | Ink volume sensing and replenishing system | Performing Operations; Transporting | 88 | Expired |
| US6164743A | Ink container with an inductive ink level sense | Performing Operations; Transporting | 77 | Expired |
| US5745137A | Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter | Performing Operations; Transporting | 77 | Expired |
| US5734401A | Fluid interconnect for coupling a replaceable ink supply with an ink-jet printer | Performing Operations; Transporting | 65 | Expired |
| US5570813A | Viscous material delivery and management system and method | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US5956057A | Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes | Physics | 57 | Expired |
| US5757406A | Negative pressure ink delivery system | Performing Operations; Transporting | 51 | Expired |
| US5796419A | Self-sealing fluid interconnect | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US5754207A | Volume indicating ink reservoir cartridge system | Performing Operations; Transporting | 48 | Expired |
| US8419798B2 | Joint prosthesis with infinitely positionable head | Human Necessities | 41 | Expired |
| US6142617A | Ink container configured for use with compact supply station | Performing Operations; Transporting | 39 | Expired |
| US5546979A | Device for draining fluid from a container | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6015209A | Replaceable ink container with fluid interconnect for coupling to an ink-jet printer | Performing Operations; Transporting | 37 | Expired |
| US5464578A | Method of making a compact fluid coupler for thermal inkjet print cartridge ink reservoir | Performing Operations; Transporting | 35 | Expired |
| USD348940S | Box extrusion | General | 27 | Expired |
| US9162453B2 | Printhead including integrated circuit die cooling | Performing Operations; Transporting | 24 | Active |
| US6305795A | Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes | Physics | 24 | Expired |
| US6003984A | Ink-jet swath printer with auxiliary ink reservoir | Performing Operations; Transporting | 23 | Expired |
| US5574490A | Ink jet hard copy apparatus ink cartridge | Performing Operations; Transporting | 22 | Expired |
| US5767882A | Collapsible ink reservoir structure and printer ink cartridge | Performing Operations; Transporting | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.