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PETERSON FILTERS & ENG

Overview
  • Total Patents
    46
About

PETERSON FILTERS & ENG has a total of 46 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, foods and drinks and machines are AMAFILTER BV, HARMSCO INC and BERZ MAX.

Patent filings in countries

World map showing PETERSON FILTERS & ENGs patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 8
#3 United Kingdom 4
#4 Belgium 3
#5 Germany 3
#6 France 3
#7 Sweden 1

Patent filings per year

Chart showing PETERSON FILTERS & ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lynn Peterson C 16
#2 Peterson C Lynn 15
#3 Peterson John G 5
#4 Peterson Clarence J 4
#5 Peterson C L 4
#6 Peterson Clarence Lynn 3
#7 Peterson C J 2
#8 Bleair Burwell 1
#9 Leonard Derringe Bloddie 1
#10 Eugene Kroff 1

Latest patents

Publication Filing date Title
US4032442A By-pass and synchronized blow system and method for rotary vacuum filters
US3960729A Flow conducting connectors for disc filter sectors and internal passages of filter shaft
US3960726A Automatic filter level control by dilution with filtrate
DE2133177A1 A filter assembley - with flow control elements
US3945924A Apparatus for impact discharge of filter cake from a moving filter medium and for compacting filter cake thereon
GB1273606A Disc filter sector assembly and separable components thereof
US3659716A Filter assembly with filtrate flow control and control components
US3595400A Conveyor-type filter
US3291312A Disc filter assembly
US3227281A Filter medium
US3120492A Filter medium tracking control
GB942760A Contour scraper for rotary disc filters
US3077990A Filter medium guide
US3113926A Drum filter
US2885083A Filter assembly
US2946448A High density thickener
US2933190A Quick opening pressure filter
GB764500A Coutinuous filter and method of operation thereof
US2776229A Method of liming raw sugar juice
US2720315A Filter and method for using same