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WIRTHWEIN UDO

Overview
  • Total Patents
    28
About

WIRTHWEIN UDO has a total of 28 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, electrical machinery and energy and transport are WEBER RAILWAY JOINT MFG COMPANY, KUEDO KONG YOUNG CO LTD and YOUNG JOONG INDUSTRY CO LTD.

Patent filings per year

Chart showing WIRTHWEIN UDOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wirthwein Udo 27
#2 Kaulbersch Otto 4
#3 Frenzel Juergen 4
#4 Michel Juergen 3
#5 Suess Joachim 2
#6 Bonewitz Wilfried 2
#7 Spies Johann Werner Dipl Ing 1
#8 Bonewitz Wilfried Dipl Ing 1
#9 Frenzel Jurgen 1
#10 Ludeck Wolfgang 1

Latest patents

Publication Filing date Title
DE19651017C1 Cable duct
DE4423331A1 Noise-reducing railway permanent way construction
DE4411833A1 Noise-damped tramway track
DE4314578A1 Elastic rail pad
WO9317891A1 Support for conductor rails
DE4307260A1 Cable duct element
DE4230063A1 Elastic rail fastening system with rail nail and spring washer made of plastic
DE4220110A1 Adhesives and processes for making or renovating rail fasteners
DE4220109A1 Bracket for attachments to sleepers
DE4219546A1 Guide plates for connection of rails to sleepers - has plastics plate secured by fixing bolt to sleeper, plate having groove with electrically conductive elements passing through
DE4207622A1 Busbar support
DE4037849A1 Device for adjusting railroad tracks
DE3736405A1 Fastening arrangement for rails
EP0167106A2 Hollow plug for railway construction