Dana Wm. Ryan
44Patents
34h-index
20Co-inventors
85Inventor score
Filing activity: Mar 1, 1988 → Nov 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5336220A | Tubing for endoscopic electrosurgical suction-irrigation instrument | Human Necessities | 427 | Expired |
| US5312400A | Cautery probes for endoscopic electrosurgical suction-irrigation instrument | Human Necessities | 361 | Expired |
| US6113068A | Swabbable needleless injection port system having low reflux | Emerging Cross-Sectional Technologies | 332 | Expired |
| US5314406A | Endoscopic electrosurgical suction-irrigation instrument | Human Necessities | 281 | Expired |
| US6994315B2 | Swabbable needle-free injection port valve system with neutral fluid displacement | Human Necessities | 272 | Expired |
| US5549565A | Reusable surgical trocar with disposable valve assembly | Emerging Cross-Sectional Technologies | 262 | Expired |
| US5833213A | Multiple dose drug vial adapter for use with a vial having a pierceable septum and a needleless syringe | Emerging Cross-Sectional Technologies | 231 | Expired |
| US6299131A | Swabbable needleless injection port system having low reflux | Emerging Cross-Sectional Technologies | 209 | Expired |
| US5344407A | Safety holder for pre-filled disposable syringe cartridge | Human Necessities | 194 | Expired |
| US5395348A | Medical intravenous administration line connectors | Human Necessities | 187 | Expired |
| US5788215A | Medical intravenous administration line connectors having a luer or pressure activated valve | Human Necessities | 175 | Expired |
| US5312363A | Low friction slit valve | Emerging Cross-Sectional Technologies | 169 | Expired |
| US5429596A | Endoscopic electrosurgical suction-irrigation instrument | Human Necessities | 169 | Expired |
| US5139483A | Medical intravenous administration line connector | Emerging Cross-Sectional Technologies | 149 | Expired |
| US6099505A | Valve assembly with automatic valve | Emerging Cross-Sectional Technologies | 135 | Expired |
| US7530546B2 | Swabbable needle-free injection port valve system with zero fluid displacement | Emerging Cross-Sectional Technologies | 135 | Active |
| US8096525B2 | Swabbable needle-free injection port valve system with zero fluid displacement | Emerging Cross-Sectional Technologies | 132 | Active |
| US5292308A | Three piece intravenous line connector | Emerging Cross-Sectional Technologies | 129 | Expired |
| US5871471A | Disposable value assembly for reusable surgical trocar | Emerging Cross-Sectional Technologies | 129 | Expired |
| US5693031A | Method of using reusable surgical trocar with disposable valve assembly | Emerging Cross-Sectional Technologies | 122 | Expired |
| US5954313A | Medical intravenous administration line connectors having a luer activated valve | Emerging Cross-Sectional Technologies | 116 | Expired |
| US5312327A | Cautery override safety systems endoscopic electrosurgical suction-irrigation instrument | Human Necessities | 103 | Expired |
| US6158458A | Medical intravenous administration line connectors having a luer or pressure activated valve | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5088982A | Safety winged needle medical devices | Human Necessities | 74 | Expired |
| US5354291A | Probe for endoscopic suction-irrigation instruments having a proximal port for receiving an additional probe therethrough | Emerging Cross-Sectional Technologies | 72 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.