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WOLFHART ANDRAE

Overview
  • Total Patents
    21
About

WOLFHART ANDRAE has a total of 21 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Germany, United Kingdom and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, mechanical elements and macromolecular chemistry and polymers are CHOI HA JUNG, BETTIGOLE NEAL H and PETER EMIL.

Patent filings in countries

World map showing WOLFHART ANDRAEs patent filings in countries
# Country Total Patents
#1 Germany 15
#2 United Kingdom 3
#3 EPO (European Patent Office) 2
#4 Switzerland 1

Patent filings per year

Chart showing WOLFHART ANDRAEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Andrae Wolfhart Dr Ing 6
#2 Wintergerst Dipl-Ing Louis 4
#3 Andrae Dr-Ing Wolfhart 4
#4 Andrae Hans-Peter Dr Ing 4
#5 Leonhardt Fritz Prof Dr Ing 3
#6 Leonhardt Dr-Ing Fritz 3
#7 Beyer Dipl-Ing Erwin 3
#8 Goehler Bernhard Dipl Ing 2
#9 Falkner Horst Dr Ing 2
#10 Kunzl Willi Dipl Ing 2

Latest patents

Publication Filing date Title
DE3723534A1 Anchoring of a bundle of 7-wired prestressing cables in a steel anchor body
DE3644414A1 Plastic material for filling hollow spaces within a plastic tube filled with a bundle of parallel steel wires or steel litz wires
DE3541896A1 Process for the tension-resistant and compression-resistant joint connection of ribbed steel reinforcing bars with the aid of a pipe sleeve
EP0215148A1 Connecting means for a composite concrete supporting construction
DE3507197A1 Joining means for steel/concrete composite structures
DE3417330C1 Connection of an in-situ concrete slab to a prefabricated support
DE3236936A1 Production of two-layered plastic sheathings of tendons with subsequent bonding for prestressed concrete structures
DE3210587A1 Anchoring of bar prestressing members having a double-layer plastics sheath
DE3108802A1 Device for anchoring a tensioning bar and for transferring the anchor force to the concrete
DE3042965A1 Movable thermo-bonded concreting stress members joint - has hardening fluid or pasty plastics packing throughout cavity between sleeve and socket
DE1202813B Tilt bearings, especially for bridges
DE1263805B Plain bearings for bridges or similar structures
GB991469A Tiltable thrust bearings for heavy structures
DE1199305B Tilt bearings for bridges or similar structures
DE1264482B Slide and tilt bearings for bridges and similar structures