Drillflex
FR· latest recorded location
Drillflex is named on 5 US grants and 0 published applications in this corpus. Its most frequent classification is E21B (Earth or rock drilling).
- Granted patents
- 5
- Published applications
- 0
- Inventors
- 5
- Granted in 2026 so far
- 0
- Most recent grant
- 4 Apr 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
By publication year.
Technology areas
Share of 5 documents
Recent patents
- Inflatable tubular sleeve for tubing or obturating a well or pipe4 Apr 2000US 6,044,906 A
- Device and process for the lining of a pipe branch, particuarly in an oil well12 Oct 1999US 5,964,288 A
- Method of cementing deformable casing inside a borehole or a conduit17 Feb 1998US 5,718,288 A
- Preform or matrix tubular structure for casing a well9 Dec 1997US 5,695,008 A
- Method for sealing between a lining and borehole, casing or pipeline27 Feb 1996US 5,494,106 A
No published applications.
Most cited
By later US patents
- Method of cementing deformable casing inside a borehole or a conduit176US 5,718,288 A1998
- Preform or matrix tubular structure for casing a well168US 5,695,008 A1997
- Method for sealing between a lining and borehole, casing or pipeline165US 5,494,106 A1996
- Inflatable tubular sleeve for tubing or obturating a well or pipe150US 6,044,906 A2000
- Device and process for the lining of a pipe branch, particuarly in an oil well71US 5,964,288 A1999