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HOLZMANN PHILIPP AG

Overview
  • Total Patents
    437
About

HOLZMANN PHILIPP AG has a total of 437 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets civil engineering, mechanical elements and engines, pumps and turbines are SHANGHAI MECHANIZED CONSTR GROUP CO LTD, SIEMENS BAUUNION GMBH and Beijing urban construction group co ltd.

Patent filings per year

Chart showing HOLZMANN PHILIPP AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krabbe Wilfried 12
#2 Zerna Wolfgang 9
#3 Schaefer Hans 9
#4 Krabbe W 7
#5 Fischer Joachim 6
#6 Pause Hans Dipl Ing 6
#7 Schreyegg Otmar 6
#8 Rang Emil 6
#9 Baumann Theodor 5
#10 Mueller Heinrich Dipl Ing 5

Latest patents

Publication Filing date Title
CN1223329A Method for pressure filling mortar into circular cavity between tubbing and rock
DE19844820A1 Drill tip for a drill pipe
DE19838487C1 Drill pipe used for jet injection into the subsoil
DE19808078A1 Mat consisting preferably of metal parts to form load-bearing and sealing concrete parts
DE19800963A1 Process for grouting the annular space between Tübbingen and the mountains
CN1240413A Heavy duty concrete with improved ductility
DE19730184A1 Reinforced concrete construction method for only three-dimensionally determinable structures
DE19654502A1 High strength concrete with improved ductility and process for its production
EP0767275A1 Sound absorber for ballastless railway superstructure
DE19533014A1 Sheet pile wall construction method
DE4443046A1 Tubbing arrangement for lining tunnels
DE4411976A1 Sliding formwork
EP0616839A1 Method and device for continuously mixing of several solid and/or liquid components especially for making concrete
DE4334801A1 Method and device for the continuous mixing of several solid and / or liquid material components, in particular for the production of concrete
DE4316116A1 Roll formwork
DE4314369A1 Landfill sealing
EP0580887A1 Method for assembling stranded anchors and transporting them to the construction site, and apparatus for carrying out the method
US5174394A Apparatus for cleaning layers of earth
DE4115735A1 Pipe with lining
IT9021658D0 Connection on joints of glass sealing plates, inserted in slot walls or sealing walls, and the process for producing it