Stephen W. Dvorak

Person

Chilton, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nutrient recovery systems and methods
- Patent number 12,209,026
- Issue date Jan 28, 2025
- DVO, Inc.
- Quanbao Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composite components from anaerobic digested fibrous materials
- Patent number 10,731,190
- Issue date Aug 4, 2020
- DVO. Inc.
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Biosolids digester and process for biosolids production
- Patent number 10,717,684
- Issue date Jul 21, 2020
- DVO Licensing, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Nutrient recovery systems and methods
- Patent number 10,556,804
- Issue date Feb 11, 2020
- DVO, Inc.
- Quanbao Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods and apparatuses for removal of hydrogen sulfide and carbon...
- Patent number 9,339,760
- Issue date May 17, 2016
- DVO, Inc.
- Nicholas Kennedy
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Algae bioreactor, system and process
- Patent number 9,005,918
- Issue date Apr 14, 2015
- DVO, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Biosolids digester and process for biosolids production
- Patent number 8,835,155
- Issue date Sep 16, 2014
- DVO Licensing, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Nutrient recovery systems and methods
- Patent number 8,613,894
- Issue date Dec 24, 2013
- DVO, Inc.
- Quanbao Zhao
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method and apparatus for anaerobic digestion of organic liquid wast...
- Patent number 8,470,177
- Issue date Jun 25, 2013
- DVO Licensing, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Composite components from anaerobic digested fibrous materials
- Patent number 8,414,808
- Issue date Apr 9, 2013
- DVO. Inc.
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Anaerobic digester employing circular tank
- Patent number 8,394,271
- Issue date Mar 12, 2013
- DVO, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method and apparatus for solids processing
- Patent number 8,202,721
- Issue date Jun 19, 2012
- DVO, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method and apparatus for solids processing
- Patent number 7,179,642
- Issue date Feb 20, 2007
- GHD, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method and apparatus for solids processing
- Patent number 7,078,229
- Issue date Jul 18, 2006
- GHD, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method and apparatus for solids processing
- Patent number 6,613,562
- Issue date Sep 2, 2003
- GHD, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method and apparatus for solids processing
- Patent number 6,451,589
- Issue date Sep 17, 2002
- GHD, Inc.
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL

Patents Applicationslast 30 patents

Information Patent Application
COMBINED GASIFICATION AND STEAM METHANE REFORMATION SYSTEMS AND MET...
- Publication number 20230348790
- Publication date Nov 2, 2023
- Agra Energy
- Steve Dvorak
- C01 - INORGANIC CHEMISTRY
Information Patent Application
BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION
- Publication number 20230286877
- Publication date Sep 14, 2023
- DVO Licensing, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
METHOD AND APPARATUS FOR ANAEROBIC DIGESTION OF LIQUID WASTE STREAMS
- Publication number 20230150854
- Publication date May 18, 2023
- DVO Licensing, Inc.
- Stephen Dvorak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS AND APPARATUSES FOR PROCESSING POULTRY LITTER
- Publication number 20220186164
- Publication date Jun 16, 2022
- DVO Licensing Inc.
- Doug VanOrnum
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
NUTRIENT RECOVERY SYSTEMS AND METHODS
- Publication number 20210017034
- Publication date Jan 21, 2021
- Quanbao Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS
- Publication number 20200362378
- Publication date Nov 19, 2020
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION
- Publication number 20200346989
- Publication date Nov 5, 2020
- DVO Licensing, Inc.
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon...
- Publication number 20160251587
- Publication date Sep 1, 2016
- Nicholas Kennedy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION
- Publication number 20140377855
- Publication date Dec 25, 2014
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
NUTRIENT RECOVERY SYSTEMS AND METHODS
- Publication number 20140314657
- Publication date Oct 23, 2014
- Quanbao Zhao
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
METHODS AND APPARATUSES FOR REMOVAL OF HYDROGEN SULFIDE AND CARBON...
- Publication number 20130309759
- Publication date Nov 21, 2013
- Nicholas Kennedy
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ALGAE BIOREACTOR, SYSTEM AND PROCESS
- Publication number 20130280757
- Publication date Oct 24, 2013
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS
- Publication number 20130224803
- Publication date Aug 29, 2013
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION
- Publication number 20120329139
- Publication date Dec 27, 2012
- DVO, INC.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
NUTRIENT RECOVERY SYSTEMS AND METHODS
- Publication number 20120118035
- Publication date May 17, 2012
- Quanbao Zhao
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
METHODS AND APPARATUSES TO REDUCE HYDROGEN SULFIDE IN A BIOGAS
- Publication number 20110042307
- Publication date Feb 24, 2011
- GHD, Inc.
- Douglas VanOrnum
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS
- Publication number 20100201026
- Publication date Aug 12, 2010
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
Anaerobic Digester Employing Circular Tank
- Publication number 20100173391
- Publication date Jul 8, 2010
- Stephen W. Dvorak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Method and Apparatus for Anaerobic Digestion of Organic Liquid Wast...
- Publication number 20100140169
- Publication date Jun 10, 2010
- Stephen W. Dvorak
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PERMANENT ACCESS PORT
- Publication number 20080277336
- Publication date Nov 13, 2008
- Stephen W. Dvorak
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
METHOD AND APPARATUS FOR SOLIDS PROCESSING
- Publication number 20070114173
- Publication date May 24, 2007
- GHD, Inc.
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
Method and apparatus for solids processing
- Publication number 20040087011
- Publication date May 6, 2004
- GHD, Inc.
- Stephen W. Dvorak
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
Method and apparatus for solids processing
- Publication number 20020197665
- Publication date Dec 26, 2002
- CHD Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Method and apparatus for solids processing
- Publication number 20020192810
- Publication date Dec 19, 2002
- GHD, Inc.
- Stephen W. Dvorak
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Stephen W. Dvorak

Person

Patents Grantslast 30 patents

Nutrient recovery systems and methods

Composite components from anaerobic digested fibrous materials

Biosolids digester and process for biosolids production

Nutrient recovery systems and methods

Methods and apparatuses for removal of hydrogen sulfide and carbon...

Algae bioreactor, system and process

Biosolids digester and process for biosolids production

Nutrient recovery systems and methods

Method and apparatus for anaerobic digestion of organic liquid wast...

Composite components from anaerobic digested fibrous materials

Anaerobic digester employing circular tank

Method and apparatus for solids processing

Method and apparatus for solids processing

Method and apparatus for solids processing

Method and apparatus for solids processing

Method and apparatus for solids processing

Patents Applicationslast 30 patents

COMBINED GASIFICATION AND STEAM METHANE REFORMATION SYSTEMS AND MET...

BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION

METHOD AND APPARATUS FOR ANAEROBIC DIGESTION OF LIQUID WASTE STREAMS

METHODS AND APPARATUSES FOR PROCESSING POULTRY LITTER

NUTRIENT RECOVERY SYSTEMS AND METHODS

COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS

BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION

Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon...

BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION

NUTRIENT RECOVERY SYSTEMS AND METHODS

METHODS AND APPARATUSES FOR REMOVAL OF HYDROGEN SULFIDE AND CARBON...

ALGAE BIOREACTOR, SYSTEM AND PROCESS

COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS

BIOSOLIDS DIGESTER AND PROCESS FOR BIOSOLIDS PRODUCTION

NUTRIENT RECOVERY SYSTEMS AND METHODS

METHODS AND APPARATUSES TO REDUCE HYDROGEN SULFIDE IN A BIOGAS

COMPOSITE COMPONENTS FROM ANAEROBIC DIGESTED FIBROUS MATERIALS

Anaerobic Digester Employing Circular Tank

Method and Apparatus for Anaerobic Digestion of Organic Liquid Wast...

PERMANENT ACCESS PORT

METHOD AND APPARATUS FOR SOLIDS PROCESSING

Method and apparatus for solids processing

Method and apparatus for solids processing

Method and apparatus for solids processing