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CHRISTIANI & NIELSEN AS

Overview
  • Total Patents
    28
About

CHRISTIANI & NIELSEN AS has a total of 28 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Denmark, Germany and United Kingdom. Its main competitors in its focus markets civil engineering, environmental technology and machines are KIM HEON TAE, MORILLON CORVOL COURBOT and MOEBIUS JOSEF BAU.

Patent filings in countries

World map showing CHRISTIANI & NIELSEN ASs patent filings in countries
# Country Total Patents
#1 Denmark 11
#2 Germany 5
#3 United Kingdom 4
#4 France 3
#5 United States 3
#6 Brazil 1
#7 Sweden 1

Patent filings per year

Chart showing CHRISTIANI & NIELSEN ASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lundgren Helge 2
#2 Lassen-Nielsen Morten 2
#3 Havno Kaj 2
#4 Havno K 2
#5 Lassen-Nielsen Dipl-Ing Morten 1
#6 Christiani Nielsen As 1
#7 Nielsen Morten Lassen 1
#8 Havnoe K 1
#9 Pallesen Jes 1
#10 Hansen F 1

Latest patents

Publication Filing date Title
DK23090D0 Method for concreting steel bears
US3665720A Method of stabilizing sand foundations under building works submerged in water
US3577738A Apparatus for injecting sand beneath submerged constructions
GB1088804A Support for subaqueous bases for marine structures, and method for erecting the same
GB994628A Underwater digging machine
GB845180A Method and apparatus of laying submerged tunnel units
US3012406A Method and apparatus for the laying of tunnel units below water
GB877057A Improvements in navigable waterways