Ralf Birken
7Patents
5h-index
17Co-inventors
56Inventor score
Filing activity: Mar 15, 2001 → Mar 22, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6766253B2 | Method for merging position information with measurements and filtering to obtain high-quality images that are positioned accurately with respect to global coordinates | Physics | 41 | Expired |
| US6735888B2 | Virtual camera on the bucket of an excavator displaying 3D images of buried pipes | Fixed Constructions | 27 | Expired |
| US7526384B2 | Method for correcting a 3D location measured by a tracking system assuming a vertical offset | Physics | 21 | Expired |
| US8909141B2 | Secure inductively-coupled communications systems | Electricity | 18 | Active |
| US9377528B2 | Roaming mobile sensor platform for collecting geo-referenced data and creating thematic maps | Physics | 13 | Active |
| US6525539B2 | Apparatus and method for locating subsurface objects in conductive soils by measurements of magnetic fields by induced currents with an array of multiple receivers | Physics | 3 | Expired |
| US9891315B2 | Conformal and configurable millimeter-wave integrated array radar in a compact package | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.