David R. Tholfsen
14Patents
13h-index
16Co-inventors
71Inventor score
Filing activity: Mar 31, 1999 → Jun 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6544230B1 | Catheters, systems and methods for percutaneous in situ arterio-venous bypass | Human Necessities | 713 | Expired |
| US6375615B1 | Tissue penetrating catheters having integral imaging transducers and their methods of use | Human Necessities | 600 | Expired |
| US6660024B1 | Tissue penetrating catheters having integral imaging transducers and their methods of use | Human Necessities | 374 | Expired |
| US6602241B2 | Methods and apparatus for acute or chronic delivery of substances or apparatus to extravascular treatment sites | Human Necessities | 348 | Expired |
| US7606615B2 | Methods and apparatus for acute or chronic delivery of substances or apparatus to extravascular treatment sites | Human Necessities | 200 | Expired |
| US8090430B2 | Methods and apparatus for acute or chronic delivery or substances or apparatus to extravascular treatment sites | Human Necessities | 160 | Active |
| US7357794B2 | Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites | Human Necessities | 150 | Expired |
| US8727988B2 | Tissue penetrating catheters having integral imaging transducers and their methods of use | Human Necessities | 103 | Active |
| US7637870B2 | Tissue penetrating catheters having integral imaging transducers and their methods of use | Human Necessities | 88 | Expired |
| US8585596B1 | Catheters, systems and methods for percutaneous in situ arterio-venous bypass | Human Necessities | 38 | Active |
| US8672920B2 | Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites | Human Necessities | 30 | Active |
| US9345858B2 | Catheters, systems and methods for percutaneous in situ arterio-venous bypass | Human Necessities | 22 | Active |
| US9597184B2 | Devices, systems, and methods for reshaping a heart valve annulus, including the use of a bridge implant having an adjustable bridge stop | Human Necessities | 17 | Active |
| US9907932B2 | Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.