Dvorak; Stephen W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dvorak; Stephen W..The latest application filed is for "methods and apparatuses for processing poultry litter".

Company Profile

7.24.28

Dvorak; Stephen W. - Chilton WI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods And Apparatuses For Processing Poultry Litter App 20220186164 - VanOrnum; Doug ; et al.	2022-06-16
Nutrient Recovery Systems And Methods App 20210017034 - Zhao; Quanbao ; et al.	2021-01-21
Composite Components From Anaerobic Digested Fibrous Materials App 20200362378 - Dvorak; Stephen W. ; et al.	2020-11-19
Biosolids Digester And Process For Biosolids Production App 20200346989 - Dvorak; Stephen W.	2020-11-05
Composite components from anaerobic digested fibrous materials Grant 10,731,190 - Dvorak , et al.	2020-08-04
Biosolids digester and process for biosolids production Grant 10,717,684 - Dvorak	2020-07-21
Nutrient recovery systems and methods Grant 10,556,804 - Zhao , et al. Feb	2020-02-11
Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon Dioxide from Biogas App 20160251587 - Kennedy; Nicholas ; et al.	2016-09-01
Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas Grant 9,339,760 - Kennedy , et al. May 17, 2	2016-05-17
Algae bioreactor, system and process Grant 9,005,918 - Dvorak , et al. April 14, 2	2015-04-14
Biosolids Digester And Process For Biosolids Production App 20140377855 - Dvorak; Stephen W.	2014-12-25
Nutrient Recovery Systems And Methods App 20140314657 - Zhao; Quanbao ; et al.	2014-10-23
Biosolids digester and process for biosolids production Grant 8,835,155 - Dvorak September 16, 2	2014-09-16
Nutrient recovery systems and methods Grant 8,613,894 - Zhao , et al. December 24, 2	2013-12-24
Methods And Apparatuses For Removal Of Hydrogen Sulfide And Carbon Dioxide From Biogas App 20130309759 - Kennedy; Nicholas ; et al.	2013-11-21
Algae Bioreactor, System And Process App 20130280757 - Dvorak; Stephen W. ; et al.	2013-10-24
Composite Components From Anaerobic Digested Fibrous Materials App 20130224803 - Dvorak; Stephen W. ; et al.	2013-08-29
Method and apparatus for anaerobic digestion of organic liquid waste streams Grant 8,470,177 - Dvorak June 25, 2	2013-06-25
Composite components from anaerobic digested fibrous materials Grant 8,414,808 - Dvorak , et al. April 9, 2	2013-04-09
Anaerobic digester employing circular tank Grant 8,394,271 - Dvorak March 12, 2	2013-03-12
Biosolids Digester And Process For Biosolids Production App 20120329139 - Dvorak; Stephen W.	2012-12-27
Method and apparatus for solids processing Grant 8,202,721 - Dvorak June 19, 2	2012-06-19
Nutrient Recovery Systems And Methods App 20120118035 - Zhao; Quanbao ; et al.	2012-05-17
Methods And Apparatuses To Reduce Hydrogen Sulfide In A Biogas App 20110042307 - VanOrnum; Douglas ; et al.	2011-02-24
Composite Components From Anaerobic Digested Fibrous Materials App 20100201026 - Dvorak; Stephen W. ; et al.	2010-08-12
Anaerobic Digester Employing Circular Tank App 20100173391 - Dvorak; Stephen W.	2010-07-08
Method and Apparatus for Anaerobic Digestion of Organic Liquid Waste Streams App 20100140169 - Dvorak; Stephen W.	2010-06-10
Permanent Access Port App 20080277336 - Dvorak; Stephen W.	2008-11-13
Method And Apparatus For Solids Processing App 20070114173 - Dvorak; Stephen W.	2007-05-24
Method and apparatus for solids processing Grant 7,179,642 - Dvorak February 20, 2	2007-02-20
Method and apparatus for solids processing Grant 7,078,229 - Dvorak July 18, 2	2006-07-18
Method and apparatus for solids processing App 20040087011 - Dvorak, Stephen W.	2004-05-06
Method and apparatus for solids processing Grant 6,613,562 - Dvorak September 2, 2	2003-09-02
Method and apparatus for solids processing App 20020197665 - Dvorak, Stephen W.	2002-12-26
Method and apparatus for solids processing App 20020192810 - Dvorak, Stephen W.	2002-12-19
Method and apparatus for solids processing Grant 6,451,589 - Dvorak September 17, 2	2002-09-17

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