Richard D. Herr
11Patents
5h-index
15Co-inventors
63Inventor score
Filing activity: Jan 11, 2002 → Jun 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6668969B2 | Manifold for a horn loudspeaker and method | Electricity | 27 | Expired |
| USD598897S1 | Loudspeaker | General | 26 | Expired |
| USD505942S1 | Front of a loudspeaker | General | 21 | Expired |
| USD599325S1 | Loudspeaker horn | General | 8 | Expired |
| US8238588B2 | Loudspeaker system and method for producing synthesized directional sound beam | Electricity | 6 | Active |
| US11190867B2 | Non-blocking dual driver earphones | Electricity | 3 | Active |
| US8406445B1 | Loudspeaker system with extended constant vertical beamwidth control | Electricity | 3 | Active |
| US9525936B1 | Wireless earbud communications using magnetic induction | Electricity | 2 | Active |
| US11722812B2 | Non-blocking dual driver earphones | Electricity | 1 | Active |
| US12133043B2 | Non-blocking dual driver earphones | Electricity | 0 | Active |
| US9596536B2 | Microphone arranged in cavity for enhanced voice isolation | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.