MAG INSTRUMENT, INC
194Patents
83Active
194Granted
49Portfolio score
Filing activity: Jun 22, 1981 → Mar 4, 2022 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4388673A | Variable light beam flashlight and recharging unit | Mechanical Engineering; Lighting; Heating | 184 | Expired |
| US4658336A | Miniature flashlight | Electricity | 123 | Expired |
| US4527223A | Flashlight | Mechanical Engineering; Lighting; Heating | 115 | Expired |
| US4656565A | Flashlight | Electricity | 99 | Expired |
| US4823242A | Double switch miniature flashlight | Electricity | 97 | Expired |
| US5860728A | Holder clamp assembly | Mechanical Engineering; Lighting; Heating | 95 | Expired |
| US4841417A | Tailcap switch-focus flashlight | Electricity | 94 | Expired |
| USD625847S1 | LED module | General | 90 | Expired |
| US4899265A | Miniature flashlight | Electricity | 81 | Expired |
| US7264372B2 | Apparatus and method for aligning a substantial point source of light with a reflector feature | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US4819141A | Flashlight | Electricity | 76 | Expired |
| US5113326A | Miniature flashlight | Electricity | 69 | Expired |
| US5795675A | Battery device | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4864474A | Single cell flashlight | Electricity | 68 | Expired |
| US5008785A | Rechargeable miniature flashlight | Electricity | 67 | Expired |
| US5260858A | Flashlight | Electricity | 65 | Expired |
| US9534751B2 | LED module | Electricity | 63 | Active |
| US5121308A | Miniature flashlight with two switches | Electricity | 62 | Expired |
| US4942505A | Miniature flashlight | Electricity | 61 | Expired |
| US5645955A | Battery | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5109321A | Flashlight holder clamp assembly | Emerging Cross-Sectional Technologies | 58 | Expired |
| USD643561S1 | Flashlight | General | 55 | Expired |
| US5003440A | Tailcap insert | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| USD308109S | Flashlight | General | 52 | Expired |
| US8366290B2 | Portable lighting device | Mechanical Engineering; Lighting; Heating | 49 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.