John R. Uchal
18Patents
2h-index
24Co-inventors
50Inventor score
Filing activity: Jul 29, 2005 → Mar 1, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10370212B1 | Center registration system | Physics | 7 | Active |
| US8529015B2 | Apparatus and method for removal of ink from an exterior of a printhead | Performing Operations; Transporting | 3 | Active |
| US10005292B1 | Object holder for a direct-to-object printer | Performing Operations; Transporting | 2 | Active |
| US10569981B2 | Active registration system utilizing forced air for edge registration | Performing Operations; Transporting | 2 | Active |
| US10279577B2 | Electrostatic 3-D printer having rotating magnetic cores within developer rolls | Physics | 1 | Active |
| US8740363B2 | Solid ink printer with magnetic ink mixing | Chemistry; Metallurgy | 1 | Active |
| US7251439B2 | Shield for charging device in xerographic printing device having reduced rate of contamination | Physics | 1 | Expired |
| US8331809B2 | Current monitoring to detect photoreceptor scratches | Physics | 1 | Active |
| US9707765B2 | Inhibiting sediment formation in a MICR ink tank | Performing Operations; Transporting | 0 | Active |
| US8684506B2 | Apparatus and method for collecting and expelling phase change ink in a printer | Performing Operations; Transporting | 0 | Active |
| US8727517B2 | Method and system for delivering solid-ink pellets | Performing Operations; Transporting | 0 | Active |
| US7236723B2 | Shield for charging device in xerographic printing device having enhanced voltage and current uniformity | Physics | 0 | Expired |
| US10493783B2 | Collection system for ink co-solvents | Performing Operations; Transporting | 0 | Active |
| US8434854B1 | System for ink removal from a printhead assembly | Performing Operations; Transporting | 0 | Active |
| US8727485B2 | Three position printhead wiper assembly | Performing Operations; Transporting | 0 | Active |
| US10946678B2 | Vacuum transport having opening pattern allowing jetting of all nozzles to receptacle | Performing Operations; Transporting | 0 | Active |
| US9333760B2 | Method and apparatus for delivering solid-ink pellets | Performing Operations; Transporting | 0 | Active |
| US10195787B2 | Electrostatic 3-D development apparatus using different melting point materials | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.