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SEL ALCATEL AG

Overview
  • Total Patents
    1,161
About

SEL ALCATEL AG has a total of 1,161 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets telecommunications, optics and digital networks are NORTHERN TELECOM LTD, ALCATEL AUSTRALIA and ALSTHOM CGE ALCATEL.

Patent filings per year

Chart showing SEL ALCATEL AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heidemann Rolf Dr 38
#2 Kopp Dieter Dipl Ing 24
#3 Pfeiffer Thomas 18
#4 Uebel Helmut 15
#5 Pfeiffer Thomas Dr 15
#6 Walker Michael 13
#7 Hopfensperger Reinhold 13
#8 Weis Bernd X Dr Ing 12
#9 Kopp Dieter 12
#10 Turban Karl-Albert Dipl Ing 11

Latest patents

Publication Filing date Title
DE10225240A1 Surface Mounted Device plug-in connector for electronic equipment, has housing, contact pins and guide element connected to housing with terminal tabs
DE10217021A1 Heater for use in road vehicle has control module with electrical connectors in housing and array of heating elements underneath held by fastening bolts
DE10158669A1 Procedure for assigning transmission rights
DE10157103A1 Method and control device for assigning variable time slots for data transmission in a packet-oriented data network
DE10157101A1 Method and control device for a packet-oriented data network for the transmission of data in variable time slots
DE10157078A1 Allocating variable time slices for data transmission in packet-oriented data network involves accessing data flows in table, allocating time slices, re-determining priority, updating table
DE10132124A1 Receiver for receiving optical signals
DE10123191A1 Optical system for optically coupled broad- and narrow-band optical signals such as telephone- and internet-signals, uses counter-phase time functions for modulating distributed and individual signals intensity
DE10103273A1 Optical waveguide structure, has planar waveguides, each with interruption in waveguide core intersection area at input to intersection and at output from intersection area
DE10058262A1 Process for improving the signal quality of optical signals, transmission system and modulator
DE10058255A1 Process for improving the signal quality of optical signals, transmission system and modulator
DE10047002A1 Method for operating a preferably mobile telecommunication system
DE10035074A1 Process for the transmission of optically coded signals, system and optical signal processor
DE10029336A1 Broadband optical light source, use of a broadband optical light source and methods for demultiplexing
DE10018283A1 Optical waveguide structure with lines, crossings, branches and connections interfacing to optical fibers, includes higher refractive index material in substrate trenches
DE10016889A1 Radio communication system and components for a radio transmission method according to different radio transmission modes
DE10015099A1 Optical network
DE10013790A1 Distorted input signal processing circuit has filter whose filter coefficients are influenced by comparison signal produced by equalized signal from filter and output signal of threshold decider
DE10013718A1 Broadband thermal light source for optical communications system has amplified spontaneous emission emitter with input connected to laser diode and output to transmission path
DE10007365A1 Optical transmission system has band selector in network node determining wavelength division multiplexing transmission band