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BRUCE DOUGLAS G

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    172,326
About

BRUCE DOUGLAS G has a total of 38 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets agriculture, machine tools and machines are MOLINE IMPLEMENT COMPANY, CROSSE PLOW COMPANY and MOLINE PLOW CO.

Patent filings per year

Chart showing BRUCE DOUGLAS Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bruce Douglas G 37
#2 Bruce Douglas 1

Latest patents

Publication Filing date Title
US2020367419A1 Agricultural drill/planter/coulter/disc blade with step plane notch edge
WO2020236172A1 Agricultural disc blade with step plane notch edge
US2016000001A1 Agricultural drill/planter/coulter/disc blade with sine wave edge
US2015075413A1 Drill/planter blade with concave edge
US2015034344A1 Wavy agricultural tillage blade with sharpened edge
US2014299343A1 Disc and Coulter with Center Depression for Strength
US2011162856A1 Wavy disc and coulter with notches
US2011147018A1 Tillage blade configured to stay sharp longer
US2011005785A1 Notched coulter/disc and method of making same
US2009272470A1 Method of heat treating cultivating disc, coulter, and seed drill blades made from heat quenched boron steels, such that they can be roller re-edged and re-sharpened, and yet retain excellent toughness, hardness and wear characteristics, and are especially useful in dry sandy soils such as found in certain wheat growing regions
CA2561846A1 Variable wave coulter
US2007068690A1 Variable wave coulter
US2007068688A1 Vertical cultivator
BR0103317A Agricultural implement for working the land
AU4895000A Earth working sweep
AU3943600A Method of making an earth sweep from disc scrap
CA2238675A1 Agricultural disc
CA2181311A1 Wavy coulter
US5366568A Method of producing primarily tempered martensite steel