Opus Services, Inc.
2Patents
1Active
2Granted
34Portfolio score
Filing activity: Oct 15, 1993 → Jan 9, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5730780A | Method for capturing nitrogen from air using gas separation membrane | Performing Operations; Transporting | 22 | Expired |
| US8239994B2 | Scraping element for a pipeline pig | Mechanical Engineering; Lighting; Heating | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.