Individual holder
BRUCE DOUGLAS G
US·17 granted patents·3 pending applications·177 citations·filing 1993–2019
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
20 records- 0197USD796559SAgricultural bladeBRUCE DOUGLAS G·Filed 2017·Granted Sep 5, 2017·14 cites·1 claims
- 0294US9192088B2Drill/planter blade with concave edgeBRUCE DOUGLAS G·Filed 2013·Granted Nov 24, 2015·35 cites·9 claims
- 0393USD878430SCoulter bladeBRUCE DOUGLAS G·Filed 2018·Granted Mar 17, 2020·7 cites·1 claims
- 0492USD878431SDisc bladeBRUCE DOUGLAS G·Filed 2018·Granted Mar 17, 2020·6 cites·1 claims
- 0588US7992651B2Wavy disc and coulter with notchesBRUCE DOUGLAS G·Filed 2010·Granted Aug 9, 2011·20 cites·7 claims
- 0688US7497270B2Variable wave coulterBRUCE DOUGLAS G·Filed 2005·Granted Mar 3, 2009·26 cites·34 claims
- 0785US7905968B2Method 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 regionsBRUCE DOUGLAS G·Filed 2008·Granted Mar 15, 2011·5 cites·20 claims
- 0875USD694286SAgricultural discBRUCE DOUGLAS G·Filed 2012·Granted Nov 26, 2013·19 cites·1 claims
- 0972US9027664B2Wavy agricultural tillage blade with sharpened edgeBRUCE DOUGLAS G·Filed 2013·Granted May 12, 2015·6 cites·11 claims
- 1072US8100194B2Notched coulter/discBRUCE DOUGLAS G·Filed 2010·Granted Jan 24, 2012·6 cites·8 claims
- 1171US9485901B2Drill/planter blade with concave edgeBRUCE DOUGLAS G·Filed 2015·Granted Nov 8, 2016·3 cites·1 claims
- 1265US10390471B2Agricultural drill/planter/coulter/disc blade with sine wave edgeBRUCE DOUGLAS G·Filed 2014·Granted Aug 27, 2019·3 cites·26 claims
- 1365US7878262B1Notched coulter/disc and method of making sameBRUCE DOUGLAS G·Filed 2009·Granted Feb 1, 2011·4 cites·4 claims
- 1461USD693377SAgricultural coulterBRUCE DOUGLAS G·Filed 2012·Granted Nov 12, 2013·11 cites·1 claims
- 1553US2011147018A1Tillage blade configured to stay sharp longerBRUCE DOUGLAS G·Filed 2009·Application pending·0 cites
- 1649USD896851SAgricultural drill / planter / coulter / disc blade with a step plane notchBRUCE DOUGLAS G·Filed 2019·Granted Sep 22, 2020·4 cites·1 claims
- 1748US5366568AMethod of producing primarily tempered martensite steelBRUCE DOUGLAS G·Filed 1993·Granted Nov 22, 1994·6 cites·13 claims
- 1846US2007068688A1Vertical cultivatorBRUCE DOUGLAS G·Filed 2005·Application pending·0 cites
- 1942US2014299343A1Disc and Coulter with Center Depression for StrengthBRUCE DOUGLAS G·Filed 2013·Application pending·0 cites
- 2040USD897380SStep plane notch edge of an agricultural drill/planter/coulter/disc bladeBRUCE DOUGLAS G·Filed 2019·Granted Sep 29, 2020·2 cites·1 claims
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