Ralf Kaufmann
18Patents
9h-index
31Co-inventors
72Inventor score
Filing activity: Sep 9, 1992 → Jun 8, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8043353B2 | Delivery system having a self-expanding braided stent | Human Necessities | 38 | Active |
| US5263978A | Blood pump for pulsating operation | Human Necessities | 35 | Expired |
| US7985250B2 | Insertion system for stents, comprising tension-compression kinematics | Human Necessities | 28 | Active |
| US9011432B2 | Irrigation catheter device and ablation system | Human Necessities | 24 | Active |
| US6354814B1 | Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7275527B2 | Method and apparatus for venting a crankcase of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5820503A | Tensioner for traction means with predefined tensioning displacement | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US8876886B2 | Braided stent to be implanted in a blood vessel | Textiles; Paper | 15 | Active |
| US6615944B1 | Vehicle with auxiliary rear wheel steering mechanism | Performing Operations; Transporting | 13 | Expired |
| US8668729B2 | Stent for implantation in a blood vessel, especially in the region of the aortic arch | Human Necessities | 9 | Active |
| US6644998B2 | Electrical connecting element | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8002820B2 | Marker element for the precise implantation of stents | Human Necessities | 4 | Active |
| US8608736B2 | Steerable catheters and methods for making them | Human Necessities | 3 | Active |
| US6450285B1 | Steering device | Performing Operations; Transporting | 3 | Expired |
| US9592364B2 | Catheter and method for producing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US11759112B2 | Catheter device for placing a sensor | Human Necessities | 0 | Active |
| US10667933B2 | Delivery system comprising a self expanding stent | Human Necessities | 0 | Active |
| US9833317B2 | Catheter device for minimally invasive implantation | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.