Vision Fire & Security Pty Ltd
7Patents
3Active
7Granted
35Portfolio score
Filing activity: May 14, 2004 → Jun 20, 2011 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8224621B2 | Sensing apparatus and method | Physics | 16 | Expired |
| US7983445B2 | Method of detecting particles by detecting a variation in scattered radiation | Physics | 14 | Expired |
| US8406471B2 | Method of detecting particles by detecting a variation in scattered radiation | Physics | 9 | Active |
| US8314710B2 | Method and system for a filter | Physics | 5 | Active |
| US8412481B2 | Method and apparatus for determining operational condition of pollution monitoring equipment | Physics | 5 | Expired |
| US7777633B2 | Method and system for determining particle transmittance of a filter in particle detection system | Physics | 4 | Expired |
| US8295541B2 | System and method for detecting a change in an object scene | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.