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GEN FILTER CO

Overview
  • Total Patents
    29
About

GEN FILTER CO has a total of 29 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets chemical engineering and environmental technology are EPCON NORGE AS, PIELKENROOD VINITEX BV and LEOPOLD CO INC F B.

Patent filings in countries

World map showing GEN FILTER COs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 11
#3 Australia 1
#4 United Kingdom 1

Patent filings per year

Chart showing GEN FILTER COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Lawlor Joseph P 10
#2 Scholten John J 9
#3 Young James C 7
#4 Biskner Charles D 4
#5 Roach Vincent M 4
#6 Anderson Merlin H 3
#7 Albertsen Hans C 3
#8 Kenny Forest R 1
#9 Scholten John James 1
#10 Scholten J 1

Latest patents

Publication Filing date Title
AU1262497A Granular media filter including media settler assembly
US5779895A Granular media filter including media settler assembly
CA1171364A Method of simultaneous air-water wash of multiple- media filters
US4322299A Method of simultaneous air-water wash of multiple-media filters
US4076625A Baffle and wash trough assembly for granular-media filters
US3876541A Packed bed reactor apparatus for wastewater treatment
US3765535A Aeration device for filter tanks
US3265370A Packaged unit water aeration and filtration apparatus
US3329272A Self-housed large capacity water filtration plant
US3279610A Water-treating apparatus
US2926856A Variable flow reactor
US3001722A Device for distributing sewerage water over an outdoor filter bed
US2981416A Apparatus for the cleaning of filtering equipment
US2838180A Sludge blanket clarifier
US2829776A Water treating apparatus
US2754971A Multicell filter apparatus
US2721173A Water treating apparatus
US2237882A Removing iron from water
CA629743A Vacuum leaf filter
CA640034A Variable flow reactor