JH

John D. Haas

3M: 20 patents #678 of 11,543Top 6%
Overall (All Time): #219,910 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11767454 Production tool to make abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris 2023-09-26
10987780 Shaped abrasive particles with a sloping sidewall Negus B. Adefris, Dwight D. Erickson, Scott R. Culler, John T. Boden 2021-04-27
10293466 Structured abrasive articles and methods of using the same Negus B. Adefris, Scott R. Culler 2019-05-21
9938439 Production tool to make abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris 2018-04-10
9890309 Abrasive article with shaped abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris 2018-02-13
9446502 Shaped, fractured abrasive particle, abrasive article using same and method of making Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden 2016-09-20
8845773 Shaped abrasive particles with an opening Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden 2014-09-30
8764865 Shaped abrasive particles with grooves John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris 2014-07-01
8425278 Structured abrasive article and method of using the same Scott R. Culler, Chaodi Li 2013-04-23
8142531 Shaped abrasive particles with a sloping sidewall Negus B. Adefris, Dwight D. Erickson, Scott R. Culler, John T. Boden 2012-03-27
8142532 Shaped abrasive particles with an opening Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden 2012-03-27
8142891 Dish-shaped abrasive particles with a recessed surface Scott R. Culler, Dwight D. Erickson, Negus B. Adefris, John T. Boden 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, Negus B. Adefris, John T. Boden 2012-02-28
8034137 Shaped, fractured abrasive particle, abrasive article using same and method of making Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden 2011-10-11
7267700 Structured abrasive with parabolic sides Stanley B. Collins 2007-09-11
6277160 Abrasive article and method of making such article Roy Stubbs, Scott R. Culler, Mara E. Liepa, Donna W. Bange 2001-08-21
6080215 Abrasive article and method of making such article Roy Stubbs, Scott R. Culler, Mara E. Liepa, Donna W. Bange 2000-06-27
5549961 Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface Todd J. Christianson, Wesley J. Bruxvoort 1996-08-27
5454844 Abrasive article, a process of making same, and a method of using same to finish a workpiece surface Louis D. Hibbard, Stanley B. Collins 1995-10-03
5453312 Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface Todd J. Christianson, Wesley J. Bruxvoort 1995-09-26