Inventor · disambiguated record
Stephen W. Dvorak
Also filed as: DVORAK STEPHEN · DVORAK STEPHEN W
16 granted patents·9 pending applications·294 citations·filing 2000–2025
94Inventor score
Top patents by PatentIndex Score
25 records- 0195US6613562B2Method and apparatus for solids processingGHD INC·Filed 2002·Granted Sep 2, 2003·56 cites·2 claims
- 0295US6451589B1Method and apparatus for solids processingGHD INC·Filed 2000·Granted Sep 17, 2002·67 cites·26 claims
- 0393US8835155B2Biosolids digester and process for biosolids productionDVORAK STEPHEN W·Filed 2010·Granted Sep 16, 2014·9 cites·17 claims
- 0493US8414808B2Composite components from anaerobic digested fibrous materialsDVORAK STEPHEN W·Filed 2009·Granted Apr 9, 2013·12 cites·21 claims
- 0593US7179642B2Method and apparatus for solids processingGHD INC·Filed 2003·Granted Feb 20, 2007·43 cites·13 claims
- 0693US7078229B2Method and apparatus for solids processingGHD INC·Filed 2002·Granted Jul 18, 2006·41 cites·6 claims
- 0792US8613894B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2011·Granted Dec 24, 2013·15 cites·12 claims
- 0892US8202721B2Method and apparatus for solids processingDVORAK STEPHEN W·Filed 2006·Granted Jun 19, 2012·15 cites·16 claims
- 0990US9005918B2Algae bioreactor, system and processDVORAK STEPHEN W·Filed 2011·Granted Apr 14, 2015·13 cites·20 claims
- 1087US8394271B2Anaerobic digester employing circular tankDVORAK STEPHEN W·Filed 2006·Granted Mar 12, 2013·9 cites·24 claims
- 1182US8470177B2Method and apparatus for anaerobic digestion of organic liquid waste streamsDVORAK STEPHEN W·Filed 2006·Granted Jun 25, 2013·9 cites·67 claims
- 1277US2023286877A1Biosolids digester and process for biosolids productionDVO LICENSING INC·Filed 2023·Application pending·0 cites
- 1375US9339760B2Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogasKENNEDY NICHOLAS·Filed 2013·Granted May 17, 2016·4 cites·11 claims
- 1473US10556804B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2013·Granted Feb 11, 2020·1 cites·17 claims
- 1572US2025171324A1Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2025·Application pending·0 cites
- 1668US2020362378A1Composite components from anaerobic digested fibrous materialsDVORAK STEPHEN W·Filed 2020·Application pending·0 cites
- 1766US2020346989A1Biosolids digester and process for biosolids productionDVO LICENSING INC·Filed 2020·Application pending·0 cites
- 1865US12209026B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2020·Granted Jan 28, 2025·0 cites·6 claims
- 1956US10731190B2Composite components from anaerobic digested fibrous materialsDVORAK STEPHEN W·Filed 2013·Granted Aug 4, 2020·0 cites·20 claims
- 2056US2023150854A1Method and apparatus for anaerobic digestion of liquid waste streamsDVO LICENSING INC·Filed 2022·Application pending·0 cites
- 2154US10717684B2Biosolids digester and process for biosolids productionDVO LICENSING INC·Filed 2014·Granted Jul 21, 2020·0 cites·11 claims
- 2252US2022186164A1Methods and apparatuses for processing poultry litterDVO LICENSING INC·Filed 2021·Application pending·0 cites
- 2346US2016251587A1Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon Dioxide from BiogasKENNEDY NICHOLAS·Filed 2016·Application pending·0 cites
- 2442US2008277336A1Permanent access portDVORAK STEPHEN W·Filed 2007·Application pending·0 cites
- 2541US2011042307A1Methods and apparatuses to reduce hydrogen sulfide in a biogasGHD INC·Filed 2010·Application pending·0 cites
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