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DYCKERHOFF & WIDMANN AG

Overview
  • Total Patents
    1,538
About

DYCKERHOFF & WIDMANN AG has a total of 1,538 patent applications. Its first patent ever was published in 1907. It filed its patents most often in Germany, United States and Austria. Its main competitors in its focus markets civil engineering and machines are VSL INT AG, BONASSO S G and SOC CIV D BREVETS MATIERE.

Patent filings per year

Chart showing DYCKERHOFF & WIDMANN AGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Herbst Thomas 54
#2 Finsterwalder Klemens 47
#3 Jungwirth Dieter 45
#4 Finsterwalder Ulrich 31
#5 Lieske Helmut 27
#6 Auer Peter 26
#7 Schnitzler Lorenz 20
#8 Schambeck Herbert 19
#9 Wlodkowski Johann 19
#10 Dyckerhoff Widmann Aktiengesel 17

Latest patents

Publication Filing date Title
MXPA02001031A Intermediate anchorage for concrete structures.
WO0218728A1 Reinforced concrete construction, especially a prefabricated garage
CA2353441A1 Torque-tension anchor fitting
WO0202203A2 Light liquid separator
DE10130574A1 Track bearer for vehicles on tracks, especially magnetic levitation vehicles, has arrangement for varying lower part temperature when temperature variations, especially of upper part, occur
DE10127987A1 Continuous reinforced girder for bridge extends between end abutments and has thickened portions resting on intermediate support columns
DE10062227A1 Method for installing and tensioning a freely tensioned tension member, in particular a stay cable for a stay cable bridge, and anchoring device for carrying out the method
FR2782102A1 Deviation device for a pressure element of a structure
DE19918438A1 Steel tensioning member protected against corrosion comprises plastic cover element which is provided with protrusions distributed as far as possible uniformly over its length and circumference
CA2253077A1 Tensionable cable truss support system
DE19833332C1 Corrosion protected tension cable for building
DE19831984A1 Component with external tendons
DE19801330A1 Method for measuring outer surfaces of component parts, especially concrete finished products e.g. linings or casings, for quality control
EP0843053A1 Frictional connection between column and beam or between beams
DE19740032A1 Device for anchoring a rebar and method for anchoring a sealing base
NL1006828C1 Device for anchoring reinforcing bars.
DE19733822A1 Method for installing and tensioning a freely tensioned tension member and device for carrying out the method
DE19726973A1 Method for applying a tubular covering to a tension member and device for spreading a tubular covering
CZ59297A3 Apparatus for separating liquid-liquid and liquid-solid matter dispersion systems
JPH09165718A Bearing section of free tension member of diagonal cable fordiagonal cable bridge