John D. Burr
14Patents
12h-index
20Co-inventors
78Inventor score
Filing activity: Nov 9, 1978 → Mar 21, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5785049A | Method and apparatus for dispersion of dry powder medicaments | Human Necessities | 274 | Expired |
| US5740794A | Apparatus and methods for dispersing dry powder medicaments | Human Necessities | 248 | Expired |
| US6543448B1 | Apparatus and methods for dispersing dry powder medicaments | Human Necessities | 170 | Expired |
| US6089228A | Apparatus and methods for dispersing dry powder medicaments | Human Necessities | 157 | Expired |
| US4523379A | Knife with retractable sheath | Performing Operations; Transporting | 107 | Expired |
| US6257233A | Dry powder dispersing apparatus and methods for their use | Human Necessities | 101 | Expired |
| US6546929B2 | Dry powder dispersing apparatus and methods for their use | Human Necessities | 85 | Expired |
| US7422013B2 | Dry powder dispersing apparatus and methods for their use | Human Necessities | 62 | Expired |
| USD390651S | Medicament inhaler housing | General | 55 | Expired |
| US4219017A | Pilot regulator | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6901929B2 | Dry powder dispersing apparatus and methods for their use | Human Necessities | 22 | Expired |
| US7516741B2 | Aerosolization apparatus with feedback mechanism | Human Necessities | 20 | Expired |
| US8161969B2 | Dry powder dispersing apparatus and methods for their use | Human Necessities | 2 | Active |
| US10124128B2 | Aerosolization apparatus with removable mouthpiece | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.