Helmut Kess
14Patents
6h-index
6Co-inventors
59Inventor score
Filing activity: Aug 17, 1984 → Apr 8, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7944210B2 | Magnetic resonance rf transmission arrangement and method with commonly fed labeling and excitation antennas | Physics | 34 | Active |
| US5144244A | Error-proof decoupling of transmission and reception antennas in a nuclear magnetic resonance apparatus | Physics | 17 | Expired |
| US4801885A | Nuclear magnetic resonance apparatus for the identification of spectra or images of an examination subject | Physics | 16 | Expired |
| US4883984A | PIN diode switch | Electricity | 15 | Expired |
| US5280249A | Circularly polarizing local antenna for a nuclear magnetic resonance apparatus | Physics | 11 | Expired |
| US4902975A | NMR tomography apparatus having iron-free dc motors for capacitor adjustment | Physics | 9 | Expired |
| US5572128A | Double resonance antenna arrangement for a nuclear magnetic resonance apparatus | Physics | 4 | Expired |
| US8111139B2 | Arrangement for monitoring a switching state of a switch | Electricity | 3 | Active |
| US7170293B2 | Circuit arrangement for transferring signals form local MR coils to evaluation units | Physics | 2 | Expired |
| US7696754B2 | Magnetic resonance local coil arrangement and method for communicating an overload occurrence | Physics | 2 | Active |
| US7372345B2 | Circuit for connection of at least two signal sources with at least one signal output | Electricity | 1 | Expired |
| US4701710A | Nuclear magnetic resonance tomography apparatus | Physics | 0 | Expired |
| US8324889B2 | Magnetic resonance system with orientation detection of tools | Physics | 0 | Active |
| US9588199B2 | Detecting unplugged local coils in a nuclear magnetic resonance tomograph | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.