Robert J. Todd
24Patents
17h-index
25Co-inventors
81Inventor score
Filing activity: May 10, 1979 → Dec 21, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5437651A | Medical suction apparatus | Emerging Cross-Sectional Technologies | 1,527 | Expired |
| US5423745A | Irregular surface balloon catheters for body passageways and methods of use | Human Necessities | 299 | Expired |
| US5891017A | Surgical stabilizer and method for isolating and immobilizing cardiac tissue | Human Necessities | 260 | Expired |
| US6004329A | Shape-adjustable surgical implement handle | Human Necessities | 151 | Expired |
| US5021045A | Retrograde venous cardioplegia catheters and methods of use and manufacture | Human Necessities | 149 | Expired |
| US4804359A | Cardiovascular cannula and obturator | Human Necessities | 148 | Expired |
| US5556386A | Medical pressure relief valve | Emerging Cross-Sectional Technologies | 126 | Expired |
| US5226427A | Removable stylet for retrograde cardioplegia catheter and methods for use | Human Necessities | 123 | Expired |
| US5013296A | Antegrade cardioplegia cannula | Human Necessities | 83 | Expired |
| US6231601A | Method of surgery including adjusting the shape of an implement handle | Human Necessities | 77 | Expired |
| US4557269A | Disposable transducer apparatus for an electromanometry system | Human Necessities | 71 | Expired |
| US5358481A | Apparatus and methods for controlling mixtures of blood and cardioplegia | Human Necessities | 54 | Expired |
| US5084031A | Cardioplegia three-way double stopcock | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4395260A | Drip chamber | Human Necessities | 38 | Expired |
| US5876383A | Cannula | Human Necessities | 29 | Expired |
| US4282881A | Manometer for infusion apparatus | Human Necessities | 19 | Expired |
| US5221257A | Apparatus and method for femoral venous cannulation | Human Necessities | 17 | Expired |
| US4335729A | Apparatus and method for suppressing resonance in an electromanometry system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6254578A | Aortic cannula with tapered tip | Human Necessities | 16 | Expired |
| US4269387A | Needle valve and method of manufacturing a needle valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5324253A | Cannula apparatus and system for heparin removal from blood | Human Necessities | 14 | Expired |
| USRE33360E | Disposable transducer apparatus for an electromanometry system | General | 12 | Expired |
| USD335705S | Retrograde cardioplegia stylet | General | 9 | Expired |
| US4291693A | Fluid metering device | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.