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DUMEZ

Overview
  • Total Patents
    12
About

DUMEZ has a total of 12 patent applications. Its first patent ever was published in 1933. It filed its patents most often in France, Tunisia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, control and macromolecular chemistry and polymers are ACE ENC INC, SON KI TECK and HONEL HOLDINGS AG.

Patent filings in countries

World map showing DUMEZs patent filings in countries

Patent filings per year

Chart showing DUMEZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gaston Quiedeville 3
#2 Tourmen Louis 2
#3 Vincent Georges 2
#4 Alain Lalisse 1
#5 Loic Guyacane 1

Latest patents

Publication Filing date Title
FR2693492A1 Cable stayed bridge - comprises tower(s) with cables extending from top(s) to deck and longitudinal steel beams with deck slabs spanning between
FR2693491A1 Factory made site assembled steel sheet bridge beams and deck units - comprise steel main beams fixed to deck spanning between and acting as permanent shuttering for concrete with stiffeners below
WO9301359A1 Artificial block for ocean, river and land structures, method of manufacture and means of assembly
FR2692919A1 Prefixed reinforcement and shuttering modules for bridge decks - comprises steel bolted to shuttering modules fixed side by side spanning bridge width between main beams permanent part of structure
FR2683360A1 Signalling system for a motor vehicle, especially for a destination indicator
FR2109161A5 Thickening bitumen emulsions - for road - surfacing by adding inverse emulsion of salt in light petroleum