Jean Laurent
30Patents
11h-index
30Co-inventors
75Inventor score
Filing activity: Nov 20, 1973 → Feb 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4775009A | Process and device for installing seismic sensors inside a petroleum production well | Physics | 111 | Expired |
| US5303773A | Device for monitoring a deposit for a production well | Fixed Constructions | 53 | Expired |
| US5243562A | Method and equipment for acoustic wave prospecting in producing wells | Physics | 36 | Expired |
| US4428422A | Device provided with retractable arms for the anchoring of an instrument in a cavity | Physics | 22 | Expired |
| US5382760A | Seismic well source | Physics | 20 | Expired |
| US4616703A | Device for anchoring a probe in a well, by opening mobile arms | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4648478A | Device for generating sound pulses inside a well, by percussion | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5724311A | Method and device for the long-term seismic monitoring of an underground area containing fluids | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4647703A | Process for producing a hydrocarbon cut of high octane number by etherification of olefins | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4609066A | Mixed device for generating longitudinal or shear waves | Physics | 11 | Expired |
| US4796723A | System for transmitting energy through an apparatus usable for subsoil prospection, lowered inside a well or drill hole | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4103501A | Device for embedding flexible elements of great length in the ground | Physics | 10 | Expired |
| US4874060A | Device for receiving sound waves in a well | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4773501A | Device for generating seismic impulses inside a drilling through the fall of a weight onto an anchored target element | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4074224A | Acoustic wave transducer with automatic compensation of the static pressure variations | Performing Operations; Transporting | 7 | Expired |
| US5550785A | Mobile seismic system of great length for wells | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5635685A | Electroacoustic transducer with mechanical impedance transformer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6182012A | Method and device intended for permanent monitoring of an underground formation | Physics | 6 | Expired |
| US3944031A | Shock absorber | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4957162A | Device for anchoring a probe in a well by spreading mobile anchorage arms | Fixed Constructions | 5 | Expired |
| US5889731A | Vibration detector | Physics | 4 | Expired |
| US4682309A | Device for generating acoustic pulses by implosion, inside a well | Physics | 4 | Expired |
| US4103280A | Device for emitting acoustic waves in a liquid medium | Physics | 4 | Expired |
| US4203501A | Device for emitting acoustic waves in a liquid medium | Physics | 3 | Expired |
| US6332507A | Seismic prospecting method and device in wells allowing guided waves filtering | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.