Inventor · disambiguated record
Negus B. Adefris
Also filed as: ADEFRIS NEGUS B
50 granted patents·17 pending applications·2,174 citations·filing 1999–2024
98Inventor score
Files with3M INNOVATIVE PROPERTIES CO373M INNOVATIVE PROPERTIES COMPANY18ADEFRIS NEGUS B4CULLER SCOTT R3ERICKSON DWIGHT D3
Top patents by PatentIndex Score
67 records- 0199US8034137B2Shaped, fractured abrasive particle, abrasive article using same and method of making3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Oct 11, 2011·239 cites·25 claims
- 0299US6702650B2Porous abrasive article having ceramic abrasive composites, methods of making, and methods of use3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 9, 2004·173 cites·16 claims
- 0398US8142532B2Shaped abrasive particles with an openingERICKSON DWIGHT D·Filed 2008·Granted Mar 27, 2012·268 cites·34 claims
- 0498US8142531B2Shaped abrasive particles with a sloping sidewallADEFRIS NEGUS B·Filed 2008·Granted Mar 27, 2012·326 cites·21 claims
- 0598US8142891B2Dish-shaped abrasive particles with a recessed surfaceCULLER SCOTT R·Filed 2008·Granted Mar 27, 2012·269 cites·20 claims
- 0698US8123828B2Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particlesCULLER SCOTT R·Filed 2008·Granted Feb 28, 2012·137 cites·33 claims
- 0797US11970650B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Apr 30, 2024·2 cites·20 claims
- 0897US9771504B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Sep 26, 2017·16 cites·14 claims
- 0996US10301518B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted May 28, 2019·9 cites·15 claims
- 1096US8764865B2Shaped abrasive particles with groovesBODEN JOHN T·Filed 2009·Granted Jul 1, 2014·44 cites·26 claims
- 1196US6319108B1Metal bond abrasive article comprising porous ceramic abrasive composites and method of using same to abrade a workpiece3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Nov 20, 2001·359 cites·67 claims
- 1294US10150900B2Abrasive particles and abrasive articles including the same3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Dec 11, 2018·8 cites·19 claims
- 1394US9447311B2Dual tapered shaped abrasive particlesADEFRIS NEGUS B·Filed 2010·Granted Sep 20, 2016·9 cites·20 claims
- 1493US12275884B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Granted Apr 15, 2025·0 cites·24 claims
- 1593US10888973B2Methods of making metal bond abrasive articles and metal bond abrasive articles3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Jan 12, 2021·8 cites·21 claims
- 1693US8728185B2Intersecting plate shaped abrasive particlesADEFRIS NEGUS B·Filed 2011·Granted May 20, 2014·13 cites·14 claims
- 1793US6354929B1Abrasive article and method of grinding glass3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Mar 12, 2002·120 cites·20 claims
- 1891US11072115B2Methods of making metal bond and vitreous bond abrasive articles, and abrasive article precursors3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Jul 27, 2021·4 cites·3 claims
- 1991US6645624B2Composite abrasive particles and method of manufacture3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 11, 2003·83 cites·17 claims
- 2090US9573250B2Ceramic shaped abrasive particles, methods of making the same, and abrasive articles containing the sameSCHWABEL MARK G·Filed 2011·Granted Feb 21, 2017·13 cites·13 claims
- 2189US10611001B2Method of making a coated abrasive article3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Apr 7, 2020·2 cites·9 claims
- 2289US6951504B2Abrasive article with agglomerates and method of use3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Oct 4, 2005·56 cites·23 claims
- 2386US11905451B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Feb 20, 2024·0 cites·20 claims
- 2486US11072053B2Methods of making metal bond and vitreous bond abrasive articles, and abrasive article precursors3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Jul 27, 2021·2 cites·10 claims
- 2586US2024010893A1Production tool to make abrasive particles with grooves3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 2684US10300581B2Methods of making abrasive articles and bonded abrasive wheel preparable thereby3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted May 28, 2019·3 cites·20 claims
- 2781US11607776B2Shaped vitrified abrasive agglomerate, abrasive articles, and method of abrading3M INNOVATIVE PROPERTIES COMPANY·Filed 2017·Granted Mar 21, 2023·1 cites·20 claims
- 2877US12006464B2Shaped siliceous abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Jun 11, 2024·1 cites·20 claims
- 2977US11634618B2Abrasive particles, method of making abrasive particles, and abrasive articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Apr 25, 2023·0 cites·13 claims
- 3077US9446502B2Shaped, fractured abrasive particle, abrasive article using same and method of makingERICKSON DWIGHT D·Filed 2011·Granted Sep 20, 2016·2 cites·18 claims
- 3176US8845773B2Shaped abrasive particles with an openingERICKSON DWIGHT D·Filed 2012·Granted Sep 30, 2014·2 cites·26 claims
- 3275US11478899B2Shaped vitrified abrasive agglomerate with shaped abrasive particles, abrasive articles, and related methods3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Oct 25, 2022·1 cites·19 claims
- 3375US2024343961A1Shaped abrasive particles with sharp tips3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 3474US11597058B2Methods of making metal bond abrasive articles and metal bond abrasive articles3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Mar 7, 2023·0 cites·14 claims
- 3573US11607841B2Vitreous bonded abrasive articles and methods of manufacture thereof3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Mar 21, 2023·0 cites·1 claims
- 3671US11702576B2Abrasive particle with enhanced retention features3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 3771US10696883B2Shaped abrasive particles, methods of making, and abrasive articles including the same3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Jun 30, 2020·1 cites·17 claims
- 3870US11767454B2Production tool to make abrasive particles with grooves3M INNOVATIVE PROPERTIES COMPANY·Filed 2018·Granted Sep 26, 2023·0 cites·35 claims
- 3970US11530345B2Shaped abrasive particles, methods of making, and abrasive articles including the same3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Dec 20, 2022·0 cites·18 claims
- 4070US10293466B2Structured abrasive articles and methods of using the same3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted May 21, 2019·1 cites·9 claims
- 4170US2021362297A1Methods of making metal bond and vitreous bond abrasive articles, and abrasive article precursors3M INNOVATIVE PROPERTIES CO·Filed 2021·Application pending·0 cites
- 4269US10988648B2Elongated abrasive particle with enhanced retention features3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Apr 27, 2021·1 cites·24 claims
- 4369US10675734B2Coated abrasive article maker apparatus3M INNOVATIVE PROPERTIES CO·Filed 2019·Granted Jun 9, 2020·0 cites·13 claims
- 4469US9938439B2Production tool to make abrasive particles with grooves3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Apr 10, 2018·1 cites·9 claims
- 4566US11274237B2Elongated abrasive particles, method of making the same, and abrasive articles containing the same3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Mar 15, 2022·0 cites·18 claims
- 4666US2021301186A1Abrasive article containing elongated abrasive particles3M INNOVATIVE PROPERTIES CO·Filed 2021·Application pending·0 cites
- 4765US9890309B2Abrasive article with shaped abrasive particles with grooves3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Feb 13, 2018·0 cites·10 claims
- 4863US11344998B2Method of making a coated abrasive article3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted May 31, 2022·0 cites·10 claims
- 4960US10518388B2Coated abrasive article maker apparatus3M INNOVATIVE PROPERTIES CO·Filed 2014·Granted Dec 31, 2019·0 cites·16 claims
- 5059US2023294247A1Shaped abrasive particles and methods of manufacture the same3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →