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Societe D'Etudes, Recherches et Constructions Electroniques - Sercel
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Patents Grants
last 30 patents
Information
Patent Grant
Atomic clock
Patent number
4,943,955
Issue date
Jul 24, 1990
Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
Jean Rabian
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Angle encoder for encoding the zenithal angle between a variable de...
Patent number
4,664,519
Issue date
May 12, 1987
Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
Francois Hullein
G01 - MEASURING TESTING
Information
Patent Grant
Transmission of time referenced radio waves
Patent number
4,334,314
Issue date
Jun 8, 1982
Societe d'Etudes, Recherches et Construction Electroniques Sercel
Georges P. Nard
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring distances
Patent number
4,297,700
Issue date
Oct 27, 1981
Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
Georges Nard
G01 - MEASURING TESTING
Information
Patent Grant
Angle coder with variable input angle
Patent number
4,240,069
Issue date
Dec 16, 1980
Societe d'Etudes, Recherches et Constructions Electroniques SERCEL
Francois M. L. Hullein
G01 - MEASURING TESTING
Information
Patent Grant
Digital coding of angles
Patent number
4,064,504
Issue date
Dec 20, 1977
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Marc Lepetit
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Velocity pickups of the horizontal seismometer type
Patent number
4,010,443
Issue date
Mar 1, 1977
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Jean-Baptiste Lacorre
G01 - MEASURING TESTING
Information
Patent Grant
Transmission of radio navigation phase corrections
Patent number
3,997,902
Issue date
Dec 14, 1976
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Georges Nard
G01 - MEASURING TESTING
Information
Patent Grant
System for the multiplexed transmission of signals from seismic rec...
Patent number
3,986,162
Issue date
Oct 12, 1976
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Roger Cholez
G01 - MEASURING TESTING
Information
Patent Grant
Point by point positioning apparatus
Patent number
3,944,902
Issue date
Mar 16, 1976
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Jean Lacorre
G05 - CONTROLLING REGULATING
Information
Patent Grant
Amplifier for analogue signal samples with automatic gain control,...
Patent number
3,936,819
Issue date
Feb 3, 1976
Societe D'Etudes, Recherches Et Constructions Electroniques Sercel
Philippe Angelle
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
74281553 - GPS WIN
Serial number
74281553
Registration number
1874531
Filing date
Jun 4, 1992
Societe d'Etudes, Recherches et Constructions Electroniques Sercel
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73373314 - SYLEDIS
Serial number
73373314
Registration number
1245128
Filing date
Jul 6, 1982
Societe D'Etudes, Recherches et Constructions Electroniques - Sercel
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73156543 - SERCEL
Serial number
73156543
Registration number
1152189
Filing date
Jan 26, 1978
Societe D'Etudes, Recherches et Constructions Electroniques - Sercel
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments