Stephen E. Chase
12Patents
6h-index
11Co-inventors
55Inventor score
Filing activity: Mar 23, 1998 → Feb 8, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6176239A | Advanced chemical-biological mask | Human Necessities | 72 | Expired |
| US6763835B1 | Chemical/biological special operations mask | Human Necessities | 35 | Expired |
| US6826783B1 | Chemical/biological helmet | Human Necessities | 22 | Expired |
| US9155924B1 | Modular chemical/biological headgear system | Human Necessities | 18 | Active |
| US7028688B1 | Operationally adaptable chemical-biological mask | Human Necessities | 12 | Expired |
| US7861719B1 | High surface area chemical/biological air-purifying filter | Performing Operations; Transporting | 9 | Active |
| US7007690B1 | Advanced chemical/biological crew mask | Human Necessities | 6 | Expired |
| US7299709B1 | Aerosol collecting device for a chemical detector | Physics | 5 | Expired |
| US7934497B1 | Modular helmet-mask assembly | Human Necessities | 4 | Active |
| US6412945B1 | Non-uniform mask lens | Physics | 3 | Expired |
| US7743433B1 | Neck dam collar for use with chemical-biological protective masks and hoods | Human Necessities | 3 | Active |
| US8479727B2 | Enhanced chemical/biological respiratory protection system | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.