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Negus B. Adefris

3M: 50 patents #149 of 11,543Top 2%
📍 Okabena, MN: #19 of 412 inventorsTop 5%
🗺 Minnesota: #872 of 52,454 inventorsTop 2%
Overall (All Time): #53,685 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
10611001 Method of making a coated abrasive article Scott R. Culler, John T. Boden, Steven J. Keipert 2020-04-07
10518388 Coated abrasive article maker apparatus Scott R. Culler, John T. Boden, Steven J. Keipert, Karan Jindal, Aaron K. Nienaber +4 more 2019-12-31
10300581 Methods of making abrasive articles and bonded abrasive wheel preparable thereby Melissa C. Schillo-Armstrong, Scott R. Culler, Brian D. Goers, Roger J. Eicheldinger 2019-05-28
10301518 Abrasive particles, method of making abrasive particles, and abrasive articles 2019-05-28
10293466 Structured abrasive articles and methods of using the same John D. Haas, Scott R. Culler 2019-05-21
10150900 Abrasive particles and abrasive articles including the same 2018-12-11
9938439 Production tool to make abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, John D. Haas 2018-04-10
9890309 Abrasive article with shaped abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, John D. Haas 2018-02-13
9771504 Abrasive particles, method of making abrasive particles, and abrasive articles 2017-09-26
9573250 Ceramic shaped abrasive particles, methods of making the same, and abrasive articles containing the same Mark G. Schwabel, Maiken Givot 2017-02-21
9446502 Shaped, fractured abrasive particle, abrasive article using same and method of making Dwight D. Erickson, Scott R. Culler, John T. Boden, John D. Haas 2016-09-20
9447311 Dual tapered shaped abrasive particles Ehrich J. Braunschweig, Steven J. Keipert 2016-09-20
8845773 Shaped abrasive particles with an opening Dwight D. Erickson, Scott R. Culler, John T. Boden, John D. Haas 2014-09-30
8764865 Shaped abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, John D. Haas 2014-07-01
8728185 Intersecting plate shaped abrasive particles 2014-05-20
8142531 Shaped abrasive particles with a sloping sidewall Dwight D. Erickson, Scott R. Culler, John T. Boden, John D. Haas 2012-03-27
8142891 Dish-shaped abrasive particles with a recessed surface Scott R. Culler, Dwight D. Erickson, John T. Boden, John D. Haas 2012-03-27
8142532 Shaped abrasive particles with an opening Dwight D. Erickson, Scott R. Culler, John T. Boden, John D. Haas 2012-03-27
8123828 Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles Scott R. Culler, Dwight D. Erickson, John T. Boden, John D. Haas 2012-02-28
8034137 Shaped, fractured abrasive particle, abrasive article using same and method of making Dwight D. Erickson, Scott R. Culler, John T. Boden, John D. Haas 2011-10-11
6951504 Abrasive article with agglomerates and method of use Carl P. Erickson, Brent D. Niccum, Thomas A. Sager, Craig F. Schroeder, Theodore J. Testen 2005-10-04
6702650 Porous abrasive article having ceramic abrasive composites, methods of making, and methods of use 2004-03-09
6645624 Composite abrasive particles and method of manufacture William D. Joseph, Kathleen A. Wagle-Peterson 2003-11-11
6354929 Abrasive article and method of grinding glass Louis Carpentier, Todd J. Christianson, Brian D. Goers, Ashu N. Mujumdar, Gary M. Palmgren +1 more 2002-03-12
6319108 Metal bond abrasive article comprising porous ceramic abrasive composites and method of using same to abrade a workpiece Carl P. Erickson 2001-11-20