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WHATMAN REEVE ANGEL LTD

Overview
  • Total Patents
    41
About

WHATMAN REEVE ANGEL LTD has a total of 41 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and textiles and paper are WIX CORP, PUROLATOR PRODUCTS INC and BERZ W.

Patent filings in countries

World map showing WHATMAN REEVE ANGEL LTDs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 10
#3 United Kingdom 7
#4 Germany 5
#5 Japan 4

Patent filings per year

Chart showing WHATMAN REEVE ANGEL LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Head Brian Arthur 9
#2 Perrotta Kenneth A 7
#3 Kimball Philip C 6
#4 Strauss Richard 6
#5 Head Brian A 5
#6 Kimball Philip Cowling 2
#7 Buraian Aasaa Hetsudo 2
#8 Fuiritsupu Kauringu Kinbooru 2
#9 Cole John B 1
#10 Kenesu Aran Paarotsuta 1

Latest patents

Publication Filing date Title
US4342730A Apparatus for and method of removing volatile boiler-feed additives from pressurized steam
US4376675A Method of manufacturing an inorganic fiber filter tube and product
US4213044A Method and apparatus for determining oil mist in compressed air
US4210540A Improved filter tube
GB1600371A Oil coalescing filter cartridge
US4116761A Porous element and the preparation thereof
US4169754A Filter tube and method of preparing same
CA1103175A Inside-to-outside flow filter tube and method of manufacturing same
GB1574014A Filter tubes
GB1566264A Inside-to-outside flow filter tube and method of manufacturing same
US4055403A Compressed air dryer
US4062781A Disposable filter with interchangeable end elements
DE2613413A1 Highly uniform, porous element prodn. - from aq. dispersion of binder-coated, crushable fibres
US4006054A Method of making filter tubes
CA1057675A Filter tube and method of making same
GB1517272A Liquid treatment apparatus
CA1030454A Inorganic filter with inorganic bonding
US3954618A Filter tube holder and filter assembly
US3972694A Filter tube
GB1475193A Porous element and the preparation thereof