Inventor · disambiguated record
Douglas G. Bruce
Also filed as: BRUCE DOUGLAS · BRUCE DOUGLAS G · DOUGLAS BRUCE
30 granted patents·9 pending applications·372 citations·filing 1988–2024
97Inventor score
Files withBRUCE DOUGLAS G20OSMUNDSON MFG CO9BFS DIVERSIFIED PRODUCTS LLC1BRUCE DOUGLAS1SECURE SPECIALTY CHEMICALS CORP1
Top patents by PatentIndex Score
39 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
- 0589US7882671B2Multi-layer co-extruded roofing membraneBFS DIVERSIFIED PRODUCTS LLC·Filed 2007·Granted Feb 8, 2011·27 cites·61 claims
- 0688US7992651B2Wavy disc and coulter with notchesBRUCE DOUGLAS G·Filed 2010·Granted Aug 9, 2011·20 cites·7 claims
- 0788US7497270B2Variable wave coulterBRUCE DOUGLAS G·Filed 2005·Granted Mar 3, 2009·26 cites·34 claims
- 0887US5649602AWavy coulterFiled 1995·Granted Jul 22, 1997·61 cites·7 claims
- 0985US7905968B2Method 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
- 1084US12446481B2Agricultural drill/planter/coulter/disc blade with step plane notch edgeOSMUNDSON MFG CO·Filed 2024·Granted Oct 21, 2025·0 cites·17 claims
- 1183US6554079B2Earth working disc with large notchesFiled 2001·Granted Apr 29, 2003·29 cites·6 claims
- 1282US6508147B1Earth working sweepFiled 2000·Granted Jan 21, 2003·14 cites·8 claims
- 1381US2024164234A1Agricultural sweep with wear resistant coatingOSMUNDSON MFG CO·Filed 2024·Application pending·0 cites
- 1475USD694286SAgricultural discBRUCE DOUGLAS G·Filed 2012·Granted Nov 26, 2013·19 cites·1 claims
- 1574US9545046B1Agricultural drill/planter/coulter/disc blade with ribs for strengthOSMUNDSON MFG CO·Filed 2015·Granted Jan 17, 2017·5 cites·25 claims
- 1673US11944025B2Agricultural drill/planter/coulter/disc blade with step plane notch edgeOSMUNDSON MFG CO·Filed 2019·Granted Apr 2, 2024·2 cites·23 claims
- 1772US9027664B2Wavy agricultural tillage blade with sharpened edgeBRUCE DOUGLAS G·Filed 2013·Granted May 12, 2015·6 cites·11 claims
- 1872US8100194B2Notched coulter/discBRUCE DOUGLAS G·Filed 2010·Granted Jan 24, 2012·6 cites·8 claims
- 1971US11882777B2Agricultural sweep with wear resistant coatingOSMUNDSON MFG CO·Filed 2021·Granted Jan 30, 2024·0 cites·20 claims
- 2071US9485901B2Drill/planter blade with concave edgeBRUCE DOUGLAS G·Filed 2015·Granted Nov 8, 2016·3 cites·1 claims
- 2167US6119321AMethod of making an earth tilling sweep from disc scrapFiled 1999·Granted Sep 19, 2000·21 cites·5 claims
- 2267US2024224829A1Row cleaner bladeOSMUNDSON MFG CO·Filed 2024·Application pending·0 cites
- 2365US10390471B2Agricultural drill/planter/coulter/disc blade with sine wave edgeBRUCE DOUGLAS G·Filed 2014·Granted Aug 27, 2019·3 cites·26 claims
- 2465US7878262B1Notched coulter/disc and method of making sameBRUCE DOUGLAS G·Filed 2009·Granted Feb 1, 2011·4 cites·4 claims
- 2561USD693377SAgricultural coulterBRUCE DOUGLAS G·Filed 2012·Granted Nov 12, 2013·11 cites·1 claims
- 2653US5452673AAnhydrous ammonia knifeFiled 1994·Granted Sep 26, 1995·21 cites·9 claims
- 2753US2022022357A1Agricultural sweep with wear resistant coatingOSMUNDSON MFG CO·Filed 2020·Application pending·0 cites
- 2853US2022022358A1Circular ground engaging blade with wear resistant coatingOSMUNDSON MFG CO·Filed 2020·Application pending·0 cites
- 2953US2011147018A1Tillage blade configured to stay sharp longerBRUCE DOUGLAS G·Filed 2009·Application pending·0 cites
- 3051US5855246AAgricultural discFiled 1997·Granted Jan 5, 1999·14 cites·10 claims
- 3149USD896851SAgricultural drill / planter / coulter / disc blade with a step plane notchBRUCE DOUGLAS G·Filed 2019·Granted Sep 22, 2020·4 cites·1 claims
- 3248US5366568AMethod of producing primarily tempered martensite steelBRUCE DOUGLAS G·Filed 1993·Granted Nov 22, 1994·6 cites·13 claims
- 3346US2007068688A1Vertical cultivatorBRUCE DOUGLAS G·Filed 2005·Application pending·0 cites
- 3443US2022210961A1Agricultural drill/planter/coulter/disc blade with step plane notch edgeBRUCE DOUGLAS·Filed 2019·Application pending·0 cites
- 3542US2014299343A1Disc and Coulter with Center Depression for StrengthBRUCE DOUGLAS G·Filed 2013·Application pending·0 cites
- 3640USD897380SStep plane notch edge of an agricultural drill/planter/coulter/disc bladeBRUCE DOUGLAS G·Filed 2019·Granted Sep 29, 2020·2 cites·1 claims
- 3739US12410357B2Use of percitric acid in oil- and gas-field operationsSECURE SPECIALTY CHEMICALS CORP·Filed 2022·Granted Sep 9, 2025·0 cites·19 claims
- 3838US2003010157A1Earth working sweepFiled 2002·Application pending·0 cites
- 3923USD308974SSpacer block for fertilizer tube on blade shankOSMUNDSON MFG CO·Filed 1988·Granted Jul 3, 1990·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →