Fredrick M. Richards
29Patents
15h-index
20Co-inventors
81Inventor score
Filing activity: Mar 8, 1996 → Sep 30, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6026807A | Metered dose inhaler cloud chamber | Human Necessities | 154 | Expired |
| US6581598B1 | Positive expiratory pressure device | Human Necessities | 120 | Expired |
| US6776159B2 | Positive expiratory pressure device with bypass | Human Necessities | 109 | Expired |
| US7191776B2 | Nebulizer breathing system | Human Necessities | 77 | Expired |
| US7059324B2 | Positive expiratory pressure device with bypass | Human Necessities | 73 | Expired |
| USD412979S | Metered dose inhaler spacer | General | 71 | Expired |
| USD440651S | Positive expiratory pressure device | General | 70 | Expired |
| US7699054B2 | Positive expiratory pressure device | Human Necessities | 68 | Active |
| USD490519S1 | Respiratory therapy device | General | 61 | Expired |
| US8225785B2 | Vibratory PEP therapy system with medicated aerosol nebulizer | Emerging Cross-Sectional Technologies | 54 | Active |
| US7302949B2 | High flow humidifier for delivering heated and humidified breathing gases | Human Necessities | 48 | Active |
| US5984873A | Incentive spirometer | Human Necessities | 28 | Expired |
| US7036500B2 | Nebulizer with auxiliary inlet port | Human Necessities | 27 | Expired |
| US6539938B2 | Maximum expiratory pressure device | Human Necessities | 27 | Expired |
| USD388873S | Face mask for respiratory therapy | General | 24 | Expired |
| US8215301B2 | Nose cannula heated/humidified gas delivery system | Human Necessities | 15 | Active |
| US5692493A | Tongue Protector | Human Necessities | 15 | Expired |
| USD489129S1 | Respiratory therapy device | General | 14 | Expired |
| USD561330S1 | Respiratory therapy device | General | 12 | Expired |
| USD450381S | Maximum expiratory pressure and cough simulation device | General | 12 | Expired |
| US8196579B2 | Nose cannula heated/humidified gas delivery system | Human Necessities | 10 | Active |
| US8448639B2 | Nose cannula heated/humidified gas delivery system | Human Necessities | 10 | Active |
| US7896401B2 | Respiratory gas humidifier adapter with pressure relief valve and audible signal generator | Human Necessities | 8 | Active |
| USD465573S1 | Spirometer | General | 6 | Expired |
| USD403769S | Respiratory therapy device | General | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.