Unitron Industries Ltd.
10Patents
0Active
10Granted
32Portfolio score
Filing activity: May 17, 1976 → Aug 27, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5201008A | Modular hearing aid with lid hinged to faceplate | Electricity | 173 | Expired |
| US5008943A | Modular hearing aid with lid hinged to faceplate | Electricity | 160 | Expired |
| US5204917A | Modular hearing aid | Electricity | 88 | Expired |
| US4051330A | Hearing aid having adjustable directivity | Electricity | 75 | Expired |
| US4553627A | Hearing aid wax guard | Electricity | 61 | Expired |
| US5357576A | In the canal hearing aid with protruding shell portion | Electricity | 55 | Expired |
| US5278360A | Hearing aid wax guard with integral bridge | Electricity | 42 | Expired |
| US4349082A | Acoustical damping element and method of forming same | Physics | 26 | Expired |
| US4539439A | Plugs, receptacles and hearing aids | Electricity | 21 | Expired |
| US5084224A | Method for making hearing aid vent passage | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.