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GRANTHAM FREDERICK W

Overview
  • Total Patents
    39
About

GRANTHAM FREDERICK W has a total of 39 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets consumer goods, machines and packaging and shipping are WEIR HENRY J, CHICAGO DRYER CO and PETERS & WENCK E & E CO.

Patent filings in countries

World map showing GRANTHAM FREDERICK Ws patent filings in countries

Patent filings per year

Chart showing GRANTHAM FREDERICK Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grantham Frederick W 35
#2 Furederitsuku Uiriamu Gurantam 2

Latest patents

Publication Filing date Title
US4787104A Convertible hospital bed
US4464159A Shop towel folder
US4463944A Laundry stacking apparatus
US4306495A Laundry extractor system using wringer rolls
US4327510A Multi-station laundry feeder
US4287753A Automatic moisture controller with stack sensor
US4159632A Automatic cleaning apparatus
US4059257A Laundry folder
US4015957A Extractor for airborne particulate matter
US4015930A Continuous laundry drying apparatus
US4002560A Automatic article sorting apparatus
US4059258A Double fold automatic folding apparatus
US3920425A Extractor for airborne particulate matter
US3861865A Drying system
US3879861A Character analysis educational game
US3961503A Laundering apparatus and method, continuous with recirculation
US3920237A Laundry folder for pieces of variable resilience
US3693382A Continuous washing apparatus
US3443323A Laundry dryer drum with external surface cleaning means
US3462138A Laundry folder