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STEWARD JOHN F

Overview
  • Total Patents
    26
About

STEWARD JOHN F has a total of 26 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets agriculture, transport and audio-visual technology are JOHNSTON HARVESTER COMPANY, KEMPER GMBH MASCHF and COERS BRUCE A.

Patent filings in countries

World map showing STEWARD JOHN Fs patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 2

Patent filings per year

Chart showing STEWARD JOHN Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Steward John F 26
#2 Rand Charles A Anderson 1

Latest patents

Publication Filing date Title
US1114714A Lug for traction-wheels.
US1056718A Support for harvesting-machine reels.
US1045210A Support for harvesting-machine reels.
US1045338A Attachment to agricultural tractors.
US742255A Bunching attachment for mowers.
US746756A Photographic-film-developing apparatus.
US723418A Windrowing attachment for mowing-machines.
US714253A Method of making metal wheels.
US707460A Finger-bar for harvesting-machines.
US720635A Grain-harvester.
CA76130A Grain divider for harvester machines
US703497A Grain-divider for harvesters.
US702602A Corn-shocker.
US701099A Spring-catch tongue-saddle for harvesters.
US694441A Grain-divider for harvesting-machines.
US682291A Corn-husking machine.
US673587A Display device.
US674484A Tongue-truck for harvesters.
US660597A Hinge-joint for mowing-machines.
US676780A Harvester-truck.