Patent assignee · FR · COMPANY

SERCEL, INC

160Patents
145Active
160Granted
59Portfolio score

Filing activity: Jun 2, 1999 → Mar 6, 2023 · 20 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6164399A Track-type carriage system for heavy vehicles Performing Operations; Transporting 53 Expired
US6853604B2 Solid marine seismic cable Physics 25 Expired
US7797998B2 Accelerometer with reduced extraneous vibrations owing to improved electrode shape Physics 24 Expired
US6497149B1 Mobile plate accelerometer with electrostatic feedback motor Physics 22 Expired
US6731389B2 Method and apparatus for the elimination of polarization fading in interferometric sensing systems Physics 22 Expired
US9523790B1 Hybrid sensing apparatus and method Physics 20 Active
US7869444B2 Mixed wireless and cabled data acquisition network Electricity 18 Active
US6786297B1 System for acquiring geophysical data Physics 17 Expired
US7929378B2 Container assembly for transport and handling of seismic source arrays including a basic structure and removable handles, and method of use Performing Operations; Transporting 15 Active
US6447319B1 Hermaphrodite electrical connection device Electricity 15 Expired
US7474591B2 Six-component seismic data acquisition system Physics 14 Active
US7548600B2 Apparatus and method for compensating the drift of a local clock used as sampling frequency Emerging Cross-Sectional Technologies 13 Active
US6957147B2 Data management for seismic acquisition using variable compression ratio as a function of background noise Physics 13 Expired
US6483775B1 Bird communications system in a marine seismic cable Physics 13 Expired
US7382689B2 Flexible hydrophone Physics 10 Expired
US7502120B2 Fiber optic interferometric sensor array Physics 9 Active
US7610871B2 Dynamic stabilisation device for a submarine vehicle Performing Operations; Transporting 7 Active
US8599862B2 Data acquisition module and cable connector Electricity 5 Active
US7438281B2 Pulley for assisting in the take-up or deployment of a heterogeneous system Physics 5 Active
US7612886B2 Fiber-optic seismic sensor Physics 4 Active
US9557428B2 Method for controlling quality of operation of a PAM system, corresponding computer program product, non-transitory computer-readable carrier medium and quality control device Physics 4 Active
US8189200B2 Fiber optic interferometric sensor array with increased multiplexing density Physics 4 Active
US9625592B2 Method for localizing a marine mammal in an underwater environment implemented by a PAM system, corresponding device, computer program product and non-transitory computer-readable carrier medium Physics 4 Active
US8893637B2 Underwater floating device Emerging Cross-Sectional Technologies 4 Active
US7552638B2 Accelerometer with reduced extraneous vibrations owing to improved return movement Physics 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.