J. Richard Spears
26Patents
23h-index
12Co-inventors
82Inventor score
Filing activity: Jan 27, 1984 → Nov 4, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5019075A | Method and apparatus for angioplasty | Human Necessities | 714 | Expired |
| US4799479A | Method and apparatus for angioplasty | Human Necessities | 508 | Expired |
| US5226430A | Method for angioplasty | Human Necessities | 190 | Expired |
| US4878492A | Laser balloon catheter | Human Necessities | 161 | Expired |
| US4773899A | Method of treatment of artherosclerosis and balloon catheter the same | Human Necessities | 148 | Expired |
| US5797876A | High pressure perfusion device | Human Necessities | 115 | Expired |
| US5957899A | High pressure transluminal fluid delivery device | Human Necessities | 104 | Expired |
| US6123698A | Angioscopy apparatus and methods | Human Necessities | 100 | Expired |
| US7008535B1 | Apparatus for oxygenating wastewater | Emerging Cross-Sectional Technologies | 97 | Expired |
| US6344489B1 | Stabilized gas-enriched and gas-supersaturated liquids | Performing Operations; Transporting | 91 | Expired |
| US4577636A | Method for diagnosis of atherosclerosis | Human Necessities | 88 | Expired |
| US5976119A | High pressure perfusion device | Human Necessities | 82 | Expired |
| US6607698B1 | Method for generalized extracorporeal support | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6248087A | Apparatus for generalized extracorporeal support | Emerging Cross-Sectional Technologies | 66 | Expired |
| US7294278B2 | Method for oxygenating wastewater | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6238645A | Methods of oxygenating tissues | Human Necessities | 54 | Expired |
| US6315942A | System for delivery of gas-enriched fluids | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6241802A | Method for delivery of gas-enriched fluids | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5834519A | Stabilized gas-supersaturated emulsions and suspensions | Human Necessities | 28 | Expired |
| USRE34544E | Method of treatment of artherosclerosis and balloon catheter the same | General | 28 | Expired |
| US5958377A | Methods of delivering gases to gas-depleted environments | Human Necessities | 26 | Expired |
| US5922305A | Methods of treating tissues with oxygen-supersaturated emulsions | Human Necessities | 26 | Expired |
| US6197279A | Methods of delivering oxygen with emulsions | Human Necessities | 23 | Expired |
| US6169117A | Stabilized gas-supersaturated emulsions | Human Necessities | 22 | Expired |
| US6746417B2 | Apparatus for generalized extracorporeal support | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.