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GRAHAM WILLIAM T

Overview
  • Total Patents
    28
About

GRAHAM WILLIAM T has a total of 28 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States and Canada. Its main competitors in its focus markets agriculture, machines and materials and metallurgy are JOHN DEERE KILLEFER COMPANY, MOLINE IMPLEMENT COMPANY and A ANDERSENS STAALVAREFABRIK AS.

Patent filings in countries

World map showing GRAHAM WILLIAM Ts patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 8

Patent filings per year

Chart showing GRAHAM WILLIAM Ts patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Graham William T 28

Latest patents

Publication Filing date Title
US2935144A Clamp for vibrating shank plow
US2918979A Rooting and raking apparatus
US2941607A Clamp for vibrating shank plow
US2833198A Mounting for the shanks of the ground working tool of a plow
US2935148A Spring clamp with limited spring compression
US2781733A Apparatus for dispensing material beneath the shank of a groundworking tool
US2627798A Clamp for vibrating shank plows
US2656778A Overriding shank for resilient shank plows
US2657652A Implement-seeder combination
US2653532A Plow with snubber attachment
US2595353A Filler pad for ground working tools
US2595352A Beam clamp
US2588918A Mechanism for raising and lowering plow frames relative to the ground wheels
US2641886A Winged wheeled harrow
US2595351A Adjustable weed cutting attachment
US2507783A Clamp
US2493811A Vibrating plow and mounting therefor
US2464225A Clamp
US2333371A Adjustable weed cutting attachment
US1491392A Method of treating iron and steel scrap