Robert Buck
34Patents
10h-index
19Co-inventors
72Inventor score
Filing activity: Jan 22, 1973 → Mar 28, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4728433A | Ultrafiltration regulation by differential weighing | Emerging Cross-Sectional Technologies | 78 | Expired |
| US5197228A | Method of and machine for grinding a workpiece | Physics | 30 | Expired |
| US4663542A | Electronic proximity sensor | Electricity | 29 | Expired |
| US4995476A | Safety attachments for ladders | Fixed Constructions | 19 | Expired |
| US4424458A | Contactless proximity sensor with multilevel response | Physics | 14 | Expired |
| US5359814A | System for grinding a workpiece | Physics | 13 | Expired |
| US4135124A | Electronic monitoring system with selective signal inverter | Electricity | 13 | Expired |
| US4477695A | Microprocessor operated telecommunications interface for a terminal of an automatic teletypewriter switching service | Electricity | 12 | Expired |
| US4525699A | Electronic monitoring system with malfunction indicator | Electricity | 11 | Expired |
| US4225748A | Switching device, especially for electronic contactless switches, e.g. proximity switches | Electricity | 10 | Expired |
| US4900879A | Insulation system for magnetic windings | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3935542A | Contactless oscillator-type proximity sensor with constant-voltage impedance | Electricity | 8 | Expired |
| US4481559A | Mounting structure for components of electronic switching device | Electricity | 8 | Expired |
| US3932803A | Electronic monitoring system including contactless motion detector | Electricity | 8 | Expired |
| US4543566A | Electronic monitoring system with malfunction indicator | Electricity | 6 | Expired |
| US4748740A | Automatic component mounting machine | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7893775B2 | Frequency diverse discrete-time phase-lock device and apparatus | Electricity | 5 | Active |
| US4551637A | Electronic monitoring system with direct-current power supply | Electricity | 5 | Expired |
| US4336491A | Electronic monitoring system stabilized against accidental triggering | Electricity | 5 | Expired |
| US4849874A | Single mag amp control system for regulating bipolar voltage output of a power converter | Electricity | 5 | Expired |
| US4193023A | Electronic monitoring system with low energy consumption in quiescent state | Electricity | 5 | Expired |
| US5363601A | Grinding bit | Physics | 5 | Expired |
| US4856329A | Heat transfer measurement device, in particular flow monitor | Physics | 5 | Expired |
| US4100479A | Electronic monitoring system with Zener diode to control capacitor charging current | Electricity | 4 | Expired |
| US3932774A | Electronic monitoring system with short-circuit protection | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.