Patent assignee · FR · COMPANY

Cegelec

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25Patents
0Active
25Granted
33Portfolio score

Filing activity: Dec 27, 1989 → Jan 29, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US5826080A Method of scheduling successive tasks Physics 66 Expired
US5606695A Method of scheduling successive tasks subject only to timing constraints Physics 55 Expired
US5488723A Software system having replicated objects and using dynamic messaging, in particular for a monitoring/control installation of redundant architecture Physics 50 Expired
US5203089A Railroad vehicle for measuring the geometrical parameters of railroad track Performing Operations; Transporting 49 Expired
US5764230A Window manager suitable for multiple window workstations Physics 33 Expired
US5551034A System for synchronizing replicated tasks Emerging Cross-Sectional Technologies 20 Expired
US5483520A Method of broadcasting data by means of a data train Electricity 17 Expired
US5044978A Cable connector block, in particular for a screened pair Electricity 12 Expired
US5575667A Junction box for connecting a plurality of screened cables Electricity 8 Expired
US6693425B2 Sensor having an electric coil and giant magnetoresistor for detecting defects in a component Physics 8 Expired
US5235657A Optical fiber tapping coupler Physics 7 Expired
US5180314A Connector for shielded pair cable with grounding drain conductor Electricity 6 Expired
US6357310B1 Device for displacing a member inside an elongate tube from one end of the tube Emerging Cross-Sectional Technologies 6 Expired
US5923136A System for powering auxiliary equipment in a remotely-powered pumping station Electricity 6 Expired
US5752855A Branch connector device for a shielded cable Electricity 6 Expired
US5848228A Method of ordering a plurality of messages from a plurality of sources and system for implementing the method Physics 6 Expired
US6715370B2 Method of inspecting district heating pipes Mechanical Engineering; Lighting; Heating 5 Expired
US5309123A Device for connecting a data communication network to a plurality of subscribers Electricity 4 Expired
US5357417A Disturbance-limiting circuit of redundant type for regulation equipment Physics 4 Expired
US5023471A Testable input/output circuit for a load decoupled by a transformer Emerging Cross-Sectional Technologies 2 Expired
US5773944A Electric machine control system including a torque smoothing device Performing Operations; Transporting 2 Expired
US5082377A Optical fiber connector endpiece, a method of assembling it, and a method of connecting two optical fibers using such endpieces Physics 2 Expired
US5038355A Matrix of multiplexed synchronized counters for an integrated circuit Electricity 1 Expired
US6534976B2 Device having active and reference coils for performing non-destructive inspection by eddy current Physics 1 Expired
US5497259A Local area network with optical transmission Electricity 0 Expired

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