Ralph E. Williams
24Patents
12h-index
34Co-inventors
81Inventor score
Filing activity: Jun 27, 1977 → Oct 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4160412A | Earth fracturing apparatus | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5454625A | Ice cart | Performing Operations; Transporting | 29 | Expired |
| US4797704A | Disposable development station having means for assisting in the feeding of the toner supply and preventing replenishment of the toner supply | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4226115A | Remote controlled air sampler | Physics | 16 | Expired |
| US5051811A | Solder or brazing barrier | Electricity | 16 | Expired |
| US5450160A | Film cartridge magazine | Physics | 15 | Expired |
| US5083166A | Disposable development station using two component developer and method of making same | Physics | 15 | Expired |
| US5200785A | Image-forming apparatus fuser and customer replaceable fusing roller cartridge therefor | Physics | 14 | Expired |
| US4922302A | Device for developing electrostatic images on a film belt | Physics | 14 | Expired |
| US4949399A | Development station engageable with toner monitor | Physics | 13 | Expired |
| US4436766A | Plated bridge step-over connection for monolithic devices and method for making thereof | Electricity | 13 | Expired |
| US5513908A | Modular system for assembling food service fixtures | Human Necessities | 12 | Expired |
| US5239349A | Fuser and a fuser roller cartridge having fusing roller skive | Physics | 10 | Expired |
| US5305065A | Toner image fuser and cartridge for image-forming apparatus | Physics | 9 | Expired |
| US5191380A | Image-forming apparatus and fusing roller cartridge with oil-applying means | Physics | 9 | Expired |
| US6527226B1 | Flight deck handling system for landed aircraft | Performing Operations; Transporting | 8 | Expired |
| US5697561A | Modular ice crusher for use with an ice storage unit | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4884109A | Device for developing electrostatic images | Physics | 6 | Expired |
| US4947788A | Development station having toner monitor | Physics | 6 | Expired |
| US6556796B1 | Drum-loading/unloading apparatus for electrostatographic printer/copier | Physics | 5 | Expired |
| US4827610A | Method of creating solder or brazing barriers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7171147B2 | Double-sleeved electrostatographic roller | Physics | 1 | Expired |
| US6351627B1 | Send/receive communication by delayed audio packets | Electricity | 0 | Expired |
| US7670650B2 | Method for producing a replaceable fuser member | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.