Richard E. Davis
43Patents
20h-index
22Co-inventors
85Inventor score
Filing activity: Sep 25, 1985 → Oct 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6575991B1 | Apparatus for the percutaneous marking of a lesion | Human Necessities | 212 | Expired |
| US5820554A | Ultrasound biopsy needle | Human Necessities | 172 | Expired |
| US5490521A | Ultrasound biopsy needle | Human Necessities | 149 | Expired |
| US6018676A | Ultrasound biopsy needle | Human Necessities | 133 | Expired |
| US6385642B1 | Internet web server cache storage and session management system | Electricity | 94 | Expired |
| US7569065B2 | Apparatus for the percutaneous marking of a lesion | Human Necessities | 80 | Expired |
| US5336191A | Surgical needle assembly | Human Necessities | 78 | Expired |
| US5217438A | Needle stop and safety sheath | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5571091A | Surgical needle assembly | Human Necessities | 69 | Expired |
| US7577473B2 | Apparatus for subcutaneous placement of an imaging marker | Human Necessities | 56 | Expired |
| US8052708B2 | Apparatus for the percutaneous marking of a lesion | Human Necessities | 51 | Active |
| US6497698B1 | Method and apparatus for treating a patient | Human Necessities | 40 | Expired |
| US5196019A | Goniometer for needle placement | Human Necessities | 40 | Expired |
| US5466225A | Surgical needle assembly | Human Necessities | 35 | Expired |
| US8579931B2 | Apparatus for the percutaneous marking of a lesion | Human Necessities | 34 | Active |
| US5388589A | Core biopsy needle with spacer | Human Necessities | 29 | Expired |
| US6676650B1 | Perfusion cannula, method and system | Human Necessities | 26 | Expired |
| US5021218A | Apparatus for transporting specimen slides | Performing Operations; Transporting | 25 | Expired |
| US4846804A | Combined needle protector and guidewire feeder | Human Necessities | 24 | Expired |
| USD397626S | Tape measure | General | 24 | Expired |
| US7267660B2 | Method and apparatus for treating a patient | Human Necessities | 20 | Expired |
| USD439531S | SAE and metric measuring tape with fractional markings for a tape measure | General | 18 | Expired |
| US4760645A | Pole mounted pruning tool with adjustable length operating lever | Human Necessities | 16 | Expired |
| USD441308S | Measuring tape for a tape measure | General | 14 | Expired |
| USD442099S | Fractional indicia on measuring implements | General | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.