Learn more

H O CANFIELD COMPANY

Overview
  • Total Patents
    23
About

H O CANFIELD COMPANY has a total of 23 patent applications. Its first patent ever was published in 1905. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets consumer goods, machines and machine tools are BELLANDER WANJA, HAKEMANN FRITZ and JOSEPH MILLER.

Patent filings in countries

World map showing H O CANFIELD COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 6
#3 United Kingdom 4
#4 France 3
#5 Belgium 2
#6 Germany 1

Patent filings per year

Chart showing H O CANFIELD COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reahard Daniel F 4
#2 Shriver Harry D 4
#3 Cowles Raymond H 3
#4 Freshour Henry C 2
#5 Miller Keith W 2
#6 Cowles Raymond Hinkley 1
#7 Reahard Daniel Francis 1
#8 Canfield Albert H 1
#9 Francis Reahard Daniel 1
#10 Champ George Williard 1

Latest patents

Publication Filing date Title
GB1131917A Sealing gasket
FR1474436A Seal
US3393439A Bushing assembling apparatus
US3345724A Method and apparatus for manufacturing resilient bushings
FR1324512A Vacuum cleaner hoses
FR1315506A Seals for refrigerator doors
US3067083A Suction cleaner hose
US926239A Reversible valve for flushing-tanks.
US837679A Method of making bath and basin stoppers.
US852501A Bath and basin stopper.
CA717267A Sealing gasket with magnet insert
CA711051A Non-slip door gasket
CA689850A Refrigerator seal
CA841873A Method and apparatus for manufacturing resilient bushings
CA642747A Suction cleaner hose
CA828408A Bushing assembling method and apparatus
CA834611A Sealing gasket of combined rigid and flexible extrusions