Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3791898A | Windable flexible shaft capable of withstanding high tractive forces and torsional stresses and process for manufacturing the same | IFP Energies nouvelles | Expired / Lapsed | 1970-10-06 | 1974-02-12 | 1990-10-06 | 0.0 yrs | 13 | |
| US3650068A | Process for growing algae | IFP Energies nouvelles | Expired / Lapsed | 1969-06-26 | 1972-03-21 | 1989-06-26 | 0.0 yrs | 8 | |
| FR1330130A | Surface device for maneuvering the sounding train in the case of drilling carried out by means of a downhole motor suspended from a flexible tube | IFP Energies nouvelles | Expired / Lapsed | 1961-01-30 | 1963-06-21 | 1981-01-30 | 0.0 yrs | 0 |