Inventor

Claude Beauducel

Inventor

Henonville, FR

Overview

40→

Patents

1977–2006

Patent span

Physics

Primary field (CPC G)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary

G01VGeophysics29%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

H04LTransmission of digital information, e.g. telegraphic communication6%

G01FMeasuring volume, volume flow, mass flow or liquid level5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

G11CStatic stores5%

H03GControl of amplification5%

H10NElectric solid-state devices not otherwise provided for4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%

PatentTitleYear

7,140,238'Method for determining the composition of a fluid'2006 6,546,810'Process and device for measuring the velocity of flow of a fluid stream'2003 6,356,511'Low distortion ratio hydrophone'2002 6,239,877'Polarized interferential measurement wherein the modulation signal is adjusted to be equal to the duration of the measurement window'2001 5,966,408'Method and device for regenerating by maxima detection, a clock signal punctuating the transmission of received digitized signals'1999 5,639,667'Process and device for monitoring by periodic excitation a flow of particles in a pipe'1997 5,550,785'Mobile seismic system of great length for wells'1996 5,549,008'Device and method for characterizing a medium comprising at least a conductive part'1996 5,483,344'Process and apparatus for performing differential refractive index measurements using interference of modulated light beams passing through reference and test samples'1996 5,465,270'Process and device for the digitized transmission of signals'1995 5,426,982'Process and device for controlling a flow of particles in a pipe'1995 5,363,094'Stationary system for the active and/or passive monitoring of an underground deposit'1994 5,243,337'Process and device for optimizing signal transmission rates on multifunctional well cables'1993 5,206,835'Modular device for reception, the acquisition and the transmission of seismic data with several multiplexing levels'1993 5,204,843'Integrated reception system of great length for sensing acoustic waves'1993 5,093,660'Acquisition method and device allowing to precisely digitize analog signals'1992 5,077,698'Method and device for the high-rate transmission of data following a quasi-asynchronous mode'1991 4,996,675'Signal sensor insensitive to static pressure variations'1991 4,990,913'Analog to digital converter for highly dynamic signals, using a variable reference voltage to floating decimal point output'1991 4,984,222'Piezoelectric sensor comprising at least one pair of flexible sensitive elements of great length'1991 4,983,925'Signal sampling device for minimizing the errors effecting successively stored signal samples'1991 4,918,666'Tubular piezo-electric sensor with high sensitivity'1990 4,849,946'Piezo-electric transducer comprising several coaxial sensitive elements'1989 4,810,913'Increased sensitivity piezoelectric hydrophones'1989 4,801,838'Method and device for improving the sensitivity and the signal to noise ratio of piezo-electric transducers having a plurality of sensors combined in parallel'1989 4,787,069'Device usable for offshore seismic prospection for receiving seismic signals and transmitting them to a central control and recording system'1988 4,779,055'Device for amplifying and sampling high dynamic signals'1988 4,774,474'Device for amplifying and sampling multiplexed analog signals'1988 4,768,173'Pressure wave sensing device of the piezoelectric type with continuous structure and a method of manufacturing same'1988 4,736,346'System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled'1988 4,636,992'Device for supplying electric power to electronic apparatuses of an acoustic wave receiving assembly of great length'1987 4,523,191'Device for interconnecting a series of data acquisition apparatuses to a remote receiving and recording system'1985 4,503,526'Device for water inflow detection inside a seismic streamer'1985 4,426,624'Device and method for amplifying and sampling multiplexed signals'1984 4,398,271'Device for data transmission between seismic data acquisition devices and a recording device'1983 4,378,527'Device for amplifying and sampling analog signals'1983 4,365,320'Device for determining the instant of reception of an acoustic wave'1982 4,352,070'Sample-and-hold unit'1982 4,015,242'Device for coupling several data processing units to a single memory'1977 4,007,444'Microprogrammed computing device'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2006Patents assigned to INST FRANCAIS DU PETROLE (40)· patent assignee history

1977Based in Franconville, FR· patent location history

1982–1996Based in Henouville, FR· patent location history

1983–1988Patents assigned to GEOPHYSIQUE CIE GLE (6)· patent assignee history

1988–2006Based in Henonville, FR· patent location history

1996Patents assigned to COUILLARD FRANCOIS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
INST FRANCAIS DU PETROLE	40	1977–2006
GEOPHYSIQUE CIE GLE	6	1983–1988
COUILLARD FRANCOIS	1	1996

Locations

Location	Patents	Span
Henonville, FR	28	1988–2006
Henouville, FR	10	1982–1996
Franconville, FR	2	1977