Bernard Plaquin
7Patents
5h-index
4Co-inventors
48Inventor score
Filing activity: Jul 15, 1981 → May 6, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4426105A | Joints for pipes, particularly intended for the oil industry | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US4614120A | Determination of the make-up torque for pipe joints | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4828295A | Steel tube threaded joint having an impervious device at the level of the threading | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4665780A | Method of machining threaded pipe-ends | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4828294A | Threaded joint for steel pipes containing a sealing device located at the level of the threading | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4641410A | Method and apparatus for making a joint for steel tubes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4515020A | Method and apparatus for ensuring correct thread make-up of a pipejoint | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.