Wilfried Meyer
13Patents
4h-index
13Co-inventors
57Inventor score
Filing activity: Jan 21, 1994 → Apr 8, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5431270A | Coin accepting apparatus | Physics | 12 | Expired |
| US5494145A | Coin validator for testing the mass of a coin | Physics | 12 | Expired |
| US7708130B2 | Method for testing coins | Physics | 5 | Active |
| US5769200A | Coin collection apparatus | Physics | 4 | Expired |
| US8535125B2 | Feed unit for filling a coin module with coins | Physics | 2 | Active |
| US5454463A | Electric starting sensor for battery-operated coin acceptors | Physics | 1 | Expired |
| US9894966B2 | Coin and method for testing the coin | Emerging Cross-Sectional Technologies | 1 | Active |
| US8920223B2 | Coin sorter | Physics | 0 | Active |
| US8992291B2 | Coin sorter | Physics | 0 | Active |
| US7104384B2 | Method and apparatus for measuring the diameter of coins | Physics | 0 | Expired |
| US9401060B2 | Device for dispensing coins | Physics | 0 | Active |
| US8162126B2 | Inductive measuring arrangement for free-fall coin-operated devices | Physics | 0 | Active |
| US9613479B2 | Device for separating coins with a rotating driver disc | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.