Robert Stephen Matchett
16Patents
13h-index
15Co-inventors
75Inventor score
Filing activity: Sep 8, 1997 → Jul 26, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6119693A | Forehead support for facial mask | Human Necessities | 540 | Expired |
| US6532961B1 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 386 | Expired |
| US6463931B1 | Forehead support for facial mask | Human Necessities | 170 | Expired |
| USD419658S | Humidifier | General | 145 | Expired |
| US6691708B2 | Forehead support for facial mask | Human Necessities | 136 | Expired |
| US6860269B2 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 125 | Expired |
| US6557556B2 | Forehead support for facial mask | Human Necessities | 103 | Expired |
| US7234466B2 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 56 | Expired |
| US7610916B2 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 43 | Active |
| US8186348B2 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 38 | Active |
| US6997188B2 | Forehead support for facial mask | Human Necessities | 36 | Expired |
| US7882837B2 | Forehead support for facial mask | Human Necessities | 24 | Active |
| US5956399A | Cradle for mobile telephone or other electrical device | Performing Operations; Transporting | 20 | Expired |
| US10826154B2 | Concealed communications antenna and lighting feature | Electricity | 1 | Active |
| US9220861B2 | Forehead support for facial mask | Human Necessities | 1 | Active |
| US9592359B2 | Forehead support for facial mask | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.