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DOUBLE CONTAINMENT SYSTEMS

Overview
  • Total Patents
    18
About

DOUBLE CONTAINMENT SYSTEMS has a total of 18 patent applications. Its first patent ever was published in 1991. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements and civil engineering are MARUI SANGYO KK, BIWATER IND LTD and NAMITEI KK.

Patent filings in countries

World map showing DOUBLE CONTAINMENT SYSTEMSs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 8
#2 United States 7
#3 EPO (European Patent Office) 3

Patent filings per year

Chart showing DOUBLE CONTAINMENT SYSTEMSs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Civil engineering

Focus technologies

# Technology
#1 Pipes
#2 Foundations and excavations

Top inventors

# Name Total Patents
#1 Ziu Christopher G 17
#2 Zin Christopher G 1

Latest patents

Publication Filing date Title
WO9217725A1 Elbow fittings for double containment pipe assemblies
US5152635A Underground containment tank with removable piping assembly
US5197518A Centering support assembly for double containment pipe systems
US5141184A Universal centering support device for double containment pipe assemblies
US5141256A Double containment pipe assembly access housing
US5205592A Underground containment tank and piping assembly
US5141261A Double containment pipe joint assembly
US5085471A Double containment pipe joint assembly