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WEISS GMBH & CO LEONHARD

Overview
  • Total Patents
    56
About

WEISS GMBH & CO LEONHARD has a total of 56 patent applications. Its first patent ever was published in 1983. 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, environmental technology and transport are FERROVIAL AGROMAN SA, CHINA RAILWAY EIGHTH ENGINEERING CO LTD and KUNZEWITSCH FELIX.

Patent filings per year

Chart showing WEISS GMBH & CO LEONHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Fritz Joachim 24
#2 Vogel Heiner 15
#3 Schmidt Fritz J 13
#4 Schmidt Ralf 13
#5 Petersen Volker 11
#6 Vogel Heinrich 10
#7 Schmidt Werner 8
#8 Rieger Juergen 7
#9 Rapp Walter Dr 6
#10 Frueh Ulrich 5

Latest patents

Publication Filing date Title
DE10114087A1 Device for laying Y-shaped sleepers on a track bed
DE19848404A1 For the decontamination of ground at a given depth a continuous trench is dug and the spoil from the leading end is cleaned and decontaminated before return at the trailing end with actions to stabilize the soil structure
DE19840789A1 Permanent way trackside drainage provided by disk or band tool slotting for immediate flexible matting all from rail vehicle.
DE19833522A1 Process for the renovation and / or structural improvement of a floor area
DE19833520A1 Process for laying railway track grate comprises placing grate on ballast track formation, filling with ballast, and shaking
DE19833521A1 Process for working up ballast excavated from railway tracks
DE19822178A1 Track structure in endless construction
DE19802691C1 Salvage method for cables, leads or other comparable elongated units from ground
DE19737003A1 Automatically progressing trench excavation device with knife shields
DE19733664A1 Use of a trench excavation and treatment facility for the renovation and / or structural improvement of water protection dams
DE19733663C1 Trench digger and soil processing self-propelled machine
DE19718861A1 Excavators, in particular telescopic excavators
DE19718330A1 Trench processing machine
ZA9700443B Method of and device for constructing a ballastless and tieless railrod track.
AU1923097A Method and device for producing a ballastless and sleeper-less line of rails
EP0786558A1 Mobile soil removing and processing unit for railway tracks
DE19650443A1 Mobile preparation device for excavating soil on a railway track
DE19641716A1 Ballast composition for a railway track bed
DE19641717A1 Process for working up ballast from train tracks
DE19609159A1 Track with rails supported on sleepers lying on gravel bed