Drillflex
6Patents
0Active
6Granted
30Portfolio score
Filing activity: Mar 23, 1995 → Mar 6, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718288A | Method of cementing deformable casing inside a borehole or a conduit | Fixed Constructions | 176 | Expired |
| US5695008A | Preform or matrix tubular structure for casing a well | Textiles; Paper | 168 | Expired |
| US5494106A | Method for sealing between a lining and borehole, casing or pipeline | Fixed Constructions | 167 | Expired |
| US6044906A | Inflatable tubular sleeve for tubing or obturating a well or pipe | Mechanical Engineering; Lighting; Heating | 150 | Expired |
| US5964288A | Device and process for the lining of a pipe branch, particuarly in an oil well | Fixed Constructions | 71 | Expired |
| US6343652B1 | Method and device for cleaning out a well or piping blocked with gas hydrates | Fixed Constructions | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.