Richard E. Hill
12Patents
12h-index
20Co-inventors
74Inventor score
Filing activity: Jun 23, 1997 → Aug 31, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6231546A | Methods and apparatus for crossing total occlusions in blood vessels | Human Necessities | 388 | Expired |
| US6511458B2 | Vascular re-entry catheter | Human Necessities | 358 | Expired |
| US6235000A | Apparatus for crossing total occlusion in blood vessels | Human Necessities | 258 | Expired |
| US6719725B2 | Re-entry catheter | Human Necessities | 193 | Expired |
| US6972016B2 | Helically shaped electrophysiology catheter | Human Necessities | 177 | Expired |
| US5873815A | Access catheter and method for maintaining separation between a falloposcope and a tubal wall | Human Necessities | 133 | Expired |
| US6196966A | Access catheter and method for maintaining separation between a falloposcope and a tubal wall | Human Necessities | 86 | Expired |
| US7763820B1 | Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli | Performing Operations; Transporting | 71 | Active |
| US7286634B2 | Method and apparatus for improving baggage screening examination | Performing Operations; Transporting | 57 | Expired |
| US8855809B2 | Material sorting technology | Physics | 56 | Active |
| US8476545B2 | Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli | Performing Operations; Transporting | 32 | Active |
| US7558370B2 | Method and apparatus for improving identification and control of articles passing through a scanning system | Physics | 29 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.