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OLIVER CONTINUOUS FILTER COMPA

Overview
  • Total Patents
    11
About

OLIVER CONTINUOUS FILTER COMPA has a total of 11 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets chemical engineering, foods and drinks and materials and metallurgy are FLUXXION B V, JIANGSU GUOQIANG ENV PROTECTED GROUP CO LTD and VIRGIS FILTER SNC.

Patent filings in countries

World map showing OLIVER CONTINUOUS FILTER COMPAs patent filings in countries
# Country Total Patents
#1 United States 6
#2 United Kingdom 2
#3 Canada 1
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing OLIVER CONTINUOUS FILTER COMPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Borden John F 2
#2 Letts Oliver Edwin 2
#3 Oliver Edwin Letts 1
#4 Backus George S 1
#5 Duschak Lionel H 1

Latest patents

Publication Filing date Title
US1654717A Vacuum-filter liquid guard
US1653491A Process for treating cane-juice settlings
DE524433C Device for thickening porridge with filter tube sets
GB270108A Improvements in and connected with pulp thickeners or filters
GB270616A Improvements in and connected with pulp thickeners or filters
US1644854A Pulp thickener
US1699350A Method of separating precious metals and copper from cyanide solution
US1667139A Gas separator
US1659699A Rotary filter
CA272716A Pulp thickener