Interspiro, Inc.
5Patents
3Active
5Granted
39Portfolio score
Filing activity: Jul 29, 1983 → Feb 15, 2007 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7543584B2 | Powered air purifying respirator system and breathing apparatus | Human Necessities | 29 | Expired |
| US4567889A | Protective breathing aid device for diving or other operation under pressure | Human Necessities | 20 | Expired |
| US7758004B2 | Locking member for a self contained breathing apparatus | Performing Operations; Transporting | 8 | Active |
| US8074299B2 | Protective ensemble | Human Necessities | 8 | Active |
| US8011027B2 | Protective seal mechanism | Human Necessities | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.