Robert W. Phelps
14Patents
3h-index
29Co-inventors
60Inventor score
Filing activity: Aug 12, 1997 → May 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5803064A | Anesthesia system for use with magnetic resonance imaging systems | Human Necessities | 44 | Expired |
| US6775504B2 | Developer member adapted for depositing developer material on an imaging surface | Physics | 13 | Expired |
| US10370212B1 | Center registration system | Physics | 7 | Active |
| US6167228A | Development system with split function development rolls | Physics | 3 | Expired |
| US10005292B1 | Object holder for a direct-to-object printer | Performing Operations; Transporting | 2 | Active |
| US6640075B1 | Electrophotographic development system with toner purging | Physics | 2 | Expired |
| 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 |
| US9069307B2 | Fuser system for controlling static discharge | Physics | 1 | Active |
| US10195787B2 | Electrostatic 3-D development apparatus using different melting point materials | Physics | 0 | Active |
| US9378440B1 | System and method for reducing toner contamination on roll pair of an image forming apparatus | Electricity | 0 | Active |
| US10493783B2 | Collection system for ink co-solvents | Performing Operations; Transporting | 0 | Active |
| US8442407B2 | Methods, apparatus and systems to control the tribo-electric charge of a toner material associated with a printing development system | Physics | 0 | Active |
| US9128429B1 | External heat roll scraper blade and auger | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.