SD

Stephen W. Dvorak

DV Dvo: 9 patents #1 of 10Top 10%
GH Ghd: 4 patents #1 of 10Top 10%
WU Washington State University: 4 patents #25 of 424Top 6%
US USDA: 2 patents #601 of 2,828Top 25%
Overall (All Time): #282,094 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12209026 Nutrient recovery systems and methods Quanbao Zhao, Shulin Chen, Craig Frear, Bryan J. VanLoo 2025-01-28
10731190 Composite components from anaerobic digested fibrous materials John F. Hunt 2020-08-04
10717684 Biosolids digester and process for biosolids production 2020-07-21
10556804 Nutrient recovery systems and methods Quanbao Zhao, Shulin Chen, Craig Frear, Bryan J. VanLoo 2020-02-11
9339760 Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas Nicholas Kennedy, Quan-Bao Zhao, Anping Jiang, Craig Frear 2016-05-17
9005918 Algae bioreactor, system and process Douglas Van Ornum 2015-04-14
8835155 Biosolids digester and process for biosolids production 2014-09-16
8613894 Nutrient recovery systems and methods Quanbao Zhao, Shulin Chen, Craig Frear, Bryan J. VanLoo 2013-12-24
8470177 Method and apparatus for anaerobic digestion of organic liquid waste streams 2013-06-25
8414808 Composite components from anaerobic digested fibrous materials John F. Hunt 2013-04-09
8394271 Anaerobic digester employing circular tank 2013-03-12
8202721 Method and apparatus for solids processing 2012-06-19
7179642 Method and apparatus for solids processing 2007-02-20
7078229 Method and apparatus for solids processing 2006-07-18
6613562 Method and apparatus for solids processing 2003-09-02
6451589 Method and apparatus for solids processing 2002-09-17