Inventor · disambiguated record
Stephen O'Brien
Also filed as: O'BRIEN STEPHEN · O'BRIEN STEPHEN E · O'BRIEN STEPHEN EDWIN
15 granted patents·12 pending applications·314 citations·filing 1991–2019
93Inventor score
Files withDEERE & CO9UNIV COLUMBIA6O'BRIEN STEPHEN4UNIV CITY NEW YORK RES FOUND4CITY UNIVERSITY OF NEW YORK1
Top patents by PatentIndex Score
27 records- 0197US5343680ASuspension mechanism for reel mowersDEERE & CO·Filed 1992·Granted Sep 6, 1994·108 cites·35 claims
- 0296US8182786B2Nano-sized particles, processes of making, compositions and uses thereofO'BRIEN STEPHEN·Filed 2006·Granted May 22, 2012·33 cites·48 claims
- 0393US8925672B2Steering control system for hydrostatically driven front vehicle ground wheels and steerable rear caster wheelsDEERE & CO·Filed 2012·Granted Jan 6, 2015·23 cites·4 claims
- 0488US5476794ADetection method for checking surfaces for nitrogen-containing explosives or drugsTHERMEDICS INC·Filed 1994·Granted Dec 19, 1995·80 cites·2 claims
- 0587US11051456B2Bale weight measurement and control system using liftgateDEERE & CO·Filed 2019·Granted Jul 6, 2021·4 cites·20 claims
- 0679US10212886B2Retraction mechanism for extendable carriages of an agricultural accumulatorDEERE & CO·Filed 2017·Granted Feb 26, 2019·4 cites·12 claims
- 0778US9120504B2Steering linkage interface between steering cylinder and ground drive pump displacement control armsDEERE & CO·Filed 2013·Granted Sep 1, 2015·8 cites·16 claims
- 0871US8367034B2Methods for preparing single-walled carbon nanotubesUNIV COLUMBIA·Filed 2005·Granted Feb 5, 2013·4 cites·27 claims
- 0970US9108850B2Preparing nanoparticles and carbon nanotubesO'BRIEN STEPHEN·Filed 2011·Granted Aug 18, 2015·1 cites·14 claims
- 1061US5950410AHydraulically powered baler plunger drive mechanismDEERE & CO·Filed 1998·Granted Sep 14, 1999·32 cites·8 claims
- 1159US2007059775A1Synthesis and conjugation of iron oxide nanoparticles to antibodies for targeting specific cells using fluorescence and MR imaging techniquesUNIV COLUMBIA·Filed 2006·Application pending·0 cites
- 1258US10118862B2Multi-metal oxide ceramic nanomaterialUNIV CITY NEW YORK RES FOUND·Filed 2016·Granted Nov 6, 2018·0 cites·9 claims
- 1358US2009297626A1Methods for preparing metal oxidesUNIV COLUMBIA·Filed 2007·Application pending·0 cites
- 1456US10537064B2Retraction mechanism for extendable carriages of an agricultural accumulatorDEERE & CO·Filed 2019·Granted Jan 21, 2020·0 cites·19 claims
- 1555US9359259B2Multi-metal oxide ceramic nanomaterialUNIV CITY NEW YORK RES FOUND·Filed 2014·Granted Jun 7, 2016·0 cites·13 claims
- 1652US2012225006A1Nano-sized particles, processes of making, compositions and uses thereofO'BRIEN STEPHEN·Filed 2012·Application pending·0 cites
- 1752US2009075035A1Preparing nanoparticles and carbon nanotubesO'BRIEN STEPHEN·Filed 2008·Application pending·0 cites
- 1851US5170613AReel motor cutting unit frameDEERE & CO·Filed 1991·Granted Dec 15, 1992·17 cites·7 claims
- 1949US2009269269A1Copper oxide nanoparticle systemUNIV COLUMBIA·Filed 2008·Application pending·0 cites
- 2049US2013224473A1Prevention of hydrophobic dewetting through nanoparticle surface treatmentUNIV CITY NEW YORK RES FOUND·Filed 2013·Application pending·0 cites
- 2148US2010135937A1Metal oxide nanocrystals: preparation and usesUNIV COLUMBIA·Filed 2009·Application pending·0 cites
- 2247US11096331B2Bale wrap removal device utilizing shape memory wireDEERE & CO·Filed 2019·Granted Aug 24, 2021·0 cites·20 claims
- 2346US2010209352A1Synthesis and conjugation of iron oxide nanoparticles to antibodies for targeting specific cells using fluorescence and mr imaging techniquesUNIV COLUMBIA·Filed 2010·Application pending·0 cites
- 2444US2017348728A1Prevention of hydrophobic dewetting through nanoparticle surface treatmentUNIV CITY NEW YORK RES FOUND·Filed 2017·Application pending·0 cites
- 2539US2006140868A1Method of preparation of biomagnetic nanoparticles coated with a noble metal layerGRANCHAROV STEPHANIE·Filed 2005·Application pending·0 cites
- 2638US2013207231A1Dielectric film with nanoparticlesCITY UNIVERSITY OF NEW YORK·Filed 2013·Application pending·0 cites
- 2737US2018371632A1Method for producing a lithium filmCLEAN LITHIUM CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →