John W. Bryant
23Patents
19h-index
16Co-inventors
74Inventor score
Filing activity: Oct 13, 1992 → Dec 17, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6584976B2 | Face mask that has a filtered exhalation valve | Human Necessities | 120 | Expired |
| US6123077A | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 108 | Expired |
| US5724677A | Multi-part headband and respirator mask assembly and process for making same | Human Necessities | 97 | Expired |
| US6148817A | Multi-part headband and respirator mask assembly and process for making same | Human Necessities | 63 | Expired |
| US6484722B2 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 61 | Expired |
| USD431647S | Personal respiratory protection device having an exhalation valve | General | 53 | Expired |
| USD424688S | Respiratory protection mask | General | 45 | Expired |
| US6886563B2 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 45 | Expired |
| US6568392B1 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 42 | Expired |
| US6070579A | Elastomeric composite headband | Human Necessities | 41 | Expired |
| USD620104S1 | Personal respiratory protection device | General | 36 | Expired |
| US6536434B1 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 31 | Expired |
| US6715489B2 | Processes for preparing flat-folded personal respiratory protection devices | Human Necessities | 31 | Expired |
| US7069930B2 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 29 | Expired |
| US6722366B2 | Method of making a flat-folded personal respiratory protection device | Human Necessities | 27 | Expired |
| USD458364S1 | Personal respiratory protection device that has left and right tabs | General | 25 | Expired |
| USD347299S | Valve cover | General | 23 | Expired |
| USD449377S | Tabs on a personal respiratory protection device | General | 22 | Expired |
| USD459471S1 | Personal respiratory protection device that has a three panelled look | General | 22 | Expired |
| US6805124B2 | Face mask that has a filtered exhalation valve | Human Necessities | 18 | Expired |
| US8146594B2 | Flat-folded personal respiratory protection devices | Human Necessities | 14 | Active |
| US8375950B2 | Flat-folded personal respiratory protection devices and processes for preparing same | Human Necessities | 12 | Active |
| USD533800S1 | Audible messaging device for encouraging a patron to employ proper hygiene habits | General | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.