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ETANI KENJI

Overview
  • Total Patents
    11
About

ETANI KENJI has a total of 11 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, machines and environmental technology are NANJING HUANMEI TECH CO LTD, ECODIGM CO LTD and JIANGSU RUYI ENV ENGINEERING CO LTD.

Patent filings in countries

World map showing ETANI KENJIs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing ETANI KENJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Etani Kenji 11
#2 Etani Nancy A 1

Latest patents

Publication Filing date Title
US4853131A Method for water treatment
US4880547A Methods for water treatment
US4775485A Method for water treatment
US4692314A Water treatment systems
US4512955A Apparatus for water treatment
US4530120A Methods and apparatus for bathing
US4519914A Method for treating swimming pool water
CA1100243A Method and apparatus for water treatment
US4039448A Filter with an open-cell elastomeric foam
US3947362A Filter with an open-celled elastomer foam
US3954621A Filtration system having prefilter and main filter