DH

David W. Hendrickson

NL Nu-Iron Technology, Llc.: 4 patents #6 of 24Top 25%
UM University of Minnesota: 3 patents #431 of 2,951Top 15%
Philips: 2 patents #2,426 of 7,731Top 35%
NU Nucor: 2 patents #68 of 250Top 30%
LF Leprino Foods: 1 patents #21 of 43Top 50%
Overall (All Time): #373,531 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11834728 Method and system of reducing non-ferrous metal content of scrap steel Brad True 2023-12-05
11427877 Direct reduced iron (DRI) heat treatment, products formed therefrom, and use thereof Bradford G. True 2022-08-30
9464338 Reclaiming and inhibiting activation of DRI dust and fines John Brandon, Les Hart, John A. Anderson 2016-10-11
9238253 Processed DRI material Gary Levanduski, Kyle Bartholomew, Christopher P. Manning, Anthony Ramjewan 2016-01-19
9045809 Reclaiming and inhibiting activation of DRI fines John Brandon, Les Hart, John A. Anderson 2015-06-02
8535411 Production of iron from metallurgical waste Iwao Iwasaki 2013-09-17
8020706 Fines removal apparatus and methods/systems regarding same Richard F. Kiesel, Rodney L. Bleifuss 2011-09-20
7939154 Road and repair materials including magnetite and methods regarding same Donald R. Fosnacht, Richard F. Kiesel, Lawrence M. Zanko, Tamara R. Diedrich 2011-05-10
7347331 Fines removal apparatus and methods/systems regarding same Richard F. Kiesel, Rodney L. Bleifuss 2008-03-25
6882271 Automated medical imaging system repair diagnostics 2005-04-19
6865512 Automated medical imaging system maintenance diagnostics 2005-03-08
6536691 Apparatus for and method of shredding a product William Prewitt, Chris Hildreth, James G. Leprino 2003-03-25
6532804 Method and apparatus for on-line moisture analysis of a concentrate 2003-03-18