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BUTZBACHER WEICHENBAU GMBH

Overview
  • Total Patents
    523
About

BUTZBACHER WEICHENBAU GMBH has a total of 523 patent applications. Its first patent ever was published in 1967. 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, transport and materials and metallurgy are KANG WON RAIL WAY SYSTEM CO LT, HESSE G M B H E and COUGHLIN WILLIAM G.

Patent filings per year

Chart showing BUTZBACHER WEICHENBAU GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Benenowski Sebastian 273
#2 Kais Alfred 213
#3 Nuding Erich 138
#4 Dietze Hans-Ulrich 128
#5 Hoehne Hubertus 73
#6 Demmig Albrecht 62
#7 Ratz Gerhard 48
#8 Nuding Erich Dipl Ing 44
#9 Schmedders Stefan 37
#10 Kunitz Walter 37

Latest patents

Publication Filing date Title
DE102007043325A1 Rail expansion device
DE102007025034A1 concrete sleeper
DE102006051602A1 Tongue blade comprises a tongue pin welded to the foot lower side of the tongue blade and having passages forming a cross recession from which a vertical slit runs
CH699348B1 Tongue blade with tongue stud.
CN101104220A Method for manufacturing rail upper section and rail upper section
DE102006001145A1 Fastening holding rail to sleepers, comprises B-shaped resilient clamp used with guide plate having edge groove and elevation forming stop
DE102006001144A1 System for attaching rail to concrete sleeper, comprises plastic dowel and specifically shaped complementary screw
DE102005057647A1 concrete sleeper
CN1981089A Rail fixing device
DE102005024600A1 Attachment of a base plate
DE102005008828A1 Railway sleeper holding hot box or fixed brakes comprises hollow sleeper with U-shaped sides, flexible support points for rails, cover and holder containing sensor(s)
DE102005007520A1 Method for producing a track upper component and track top component
DE102005003799A1 Arrangement to fasten a rail with guide plate running along edge of rail foot uses tensioning clamp secured using screw running through peg in sleeper to press against guide plate and rail foot
DE102004057616A1 Support for a rail
DE102004044875A1 rail fastening
DE102004040878A1 Crossing or switch
DE102004031632A1 Arrangement for fastening a rail
DE102004026749A1 Arrangement for aligning rail sections of a deformation joint used in road construction comprises a bearing block with an adjusting element coming from a first support
EP1631721A2 Bearing and fixing device for a rail section and assembly of a switch or the like
DE102004021091A1 Attachment for a rail and arrangement for attaching rails