Ziebel AS
6Patents
6Active
6Granted
47Portfolio score
Filing activity: May 18, 2006 → Aug 26, 2019 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8434515B2 | Sleeve valve | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8602688B2 | Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7857065B2 | Device for selective movement of well tools and also a method of using same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8944170B2 | Real time downhole intervention during wellbore stimulation operations | Fixed Constructions | 0 | Active |
| US11085261B2 | Well logging assembly | Electricity | 0 | Active |
| US12066342B2 | Apparatus for obtaining wellbore pressure measurements | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.