Claude Beauducel
40Patents
12h-index
26Co-inventors
81Inventor score
Filing activity: Nov 13, 1975 → Apr 2, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5363094A | Stationary system for the active and/or passive monitoring of an underground deposit | Physics | 236 | Expired |
| US5206835A | Modular device for reception, the acquisition and the transmission of seismic data with several multiplexing levels | Physics | 28 | Expired |
| US5639667A | Process and device for monitoring by periodic excitation a flow of particles in a pipe | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5465270A | Process and device for the digitized transmission of signals | Electricity | 21 | Expired |
| US4810913A | Increased sensitivity piezoelectric hydrophones | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4352070A | Sample-and-hold unit | Physics | 18 | Expired |
| US4996675A | Signal sensor insensitive to static pressure variations | Performing Operations; Transporting | 18 | Expired |
| US4990913A | Analog to digital converter for highly dynamic signals, using a variable reference voltage to floating decimal point output | Electricity | 18 | Expired |
| US4787069A | Device usable for offshore seismic prospection for receiving seismic signals and transmitting them to a central control and recording system | Physics | 18 | Expired |
| US4015242A | Device for coupling several data processing units to a single memory | Physics | 16 | Expired |
| US4398271A | Device for data transmission between seismic data acquisition devices and a recording device | Physics | 15 | Expired |
| US4849946A | Piezo-electric transducer comprising several coaxial sensitive elements | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4984222A | Piezoelectric sensor comprising at least one pair of flexible sensitive elements of great length | Electricity | 12 | Expired |
| US5093660A | Acquisition method and device allowing to precisely digitize analog signals | Electricity | 10 | Expired |
| US4774474A | Device for amplifying and sampling multiplexed analog signals | Physics | 9 | Expired |
| US4523191A | Device for interconnecting a series of data acquisition apparatuses to a remote receiving and recording system | Physics | 9 | Expired |
| US4768173A | Pressure wave sensing device of the piezoelectric type with continuous structure and a method of manufacturing same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4918666A | Tubular piezo-electric sensor with high sensitivity | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4503526A | Device for water inflow detection inside a seismic streamer | Physics | 8 | Expired |
| US5550785A | Mobile seismic system of great length for wells | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5077698A | Method and device for the high-rate transmission of data following a quasi-asynchronous mode | Electricity | 6 | Expired |
| US5483344A | Process and apparatus for performing differential refractive index measurements using interference of modulated light beams passing through reference and test samples | Physics | 6 | Expired |
| US5549008A | Device and method for characterizing a medium comprising at least a conductive part | Physics | 6 | Expired |
| US5243337A | Process and device for optimizing signal transmission rates on multifunctional well cables | Electricity | 6 | Expired |
| US6239877A | Polarized interferential measurement wherein the modulation signal is adjusted to be equal to the duration of the measurement window | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.