Learn more

NO JOINT CONCRETE PIPE COMPANY

Overview
  • Total Patents
    12
About

NO JOINT CONCRETE PIPE COMPANY has a total of 12 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and Spain. Its main competitors in its focus markets mechanical elements and civil engineering are VEREINIGTER ROHRLEITUNGSBAU PH, LEVIVIER YVES and SAKAI IRON WORKS CO LTD.

Patent filings in countries

World map showing NO JOINT CONCRETE PIPE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 3
#2 Canada 2
#3 Spain 2
#4 United Kingdom 2
#5 Germany 1
#6 France 1
#7 Greece 1

Patent filings per year

Chart showing NO JOINT CONCRETE PIPE COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Civil engineering

Focus technologies

# Technology
#1 Pipes
#2 Dredging

Top inventors

# Name Total Patents
#1 Blixt Clarence H 2
#2 Roy Tunsen Elmer Le 2
#3 Tunsen Elmer Le Roy 2
#4 Tunsen Helmer Le Roy 1
#5 Cozby Warren E 1

Latest patents

Publication Filing date Title
ES359079A1 Apparatus for forming concrete pipe in situ
US3106760A Apparatus for producing cast-in-place pipe
US3113364A Apparatus for producing cast-in-place pipe
ES234721A3 An apparatus to produce cementitial ducts in a trench or trench (Machine-translation by Google Translate, not legally binding)
GB775336A Method and apparatus for forming concrete pipe in situ
US2731698A Apparatus for forming concrete pipe in situ
CA550392A Apparatus for forming concrete pipe in situ
CA890679A Apparatus for forming concrete pipe in situ (improved)