Fridolin Wiget
18Patents
6h-index
9Co-inventors
59Inventor score
Filing activity: Dec 23, 1976 → Sep 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5517469A | Timepiece driven by a source of mechanical energy and regulated by an electric circuit | Physics | 28 | Expired |
| US4968930A | Display device for measuring instruments | Physics | 16 | Expired |
| US5539289A | Ultrasonic detection device, notably for an automatically controlled windscreen cleaning system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4382692A | Analog-display electronic timepiece comprising a divider with an adjustable division factor | Physics | 9 | Expired |
| US4155218A | Electronic watch | Physics | 8 | Expired |
| US5532602A | Diagnostic circuit and method for amperometrically determining the current passing through a sensor | Physics | 7 | Expired |
| US4430007A | Method of reducing the power consumption of the stepping motor of an electronic timepiece and an electronic timepiece employing the method | Physics | 6 | Expired |
| US5920167A | Ultrasound detection device in particular for an automatically controlled windscreen cleaning system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5361013A | Device comprising a piezoelectric transducer | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4367959A | Pseudo-analog display device | Physics | 4 | Expired |
| US5267067A | Frequency controllable optical device | Physics | 4 | Expired |
| US5123035A | Processing circuit for signals supplied by two transducers measuring a physical parameter in the differential mode | Physics | 3 | Expired |
| US6563422B1 | Non acoustic alarm device | Physics | 2 | Expired |
| US5834876A | Method and circuit for exciting and monitoring a piezoelectric motor in stepping mode | Electricity | 2 | Expired |
| US4084404A | Electronic watch | Physics | 1 | Expired |
| USRE36733E | Timepiece driven by a source of mechanical energy and regulated by an electric circuit | General | 1 | Expired |
| US4960000A | Device for measuring a physical quantity | Physics | 1 | Expired |
| US4292836A | Apparatus for measuring the rate of an analog-display electronic timepiece | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.