1
Hugh McTavish, John D Offerman: Bio-recycling of carbon dioxide emitted from power plants. Hugh McTavish, October 27, 2009: US07608439 (22 worldwide citation)

The invention provides a method to decrease emission of carbon dioxide from combustion of fossil fuels or other hydrocarbons and to enhance the efficiency of methane production from anaerobic biodigesters. The invention involves feeding carbon dioxide from the exhaust gas of hydrocarbon fuel combust ...


2
John D Offerman, Delman R Hogen, Jeffrey W Lighthart, Hugh McTavish: Ethanol production from biological wastes. Novus Energy, Cyr & Associates P A, December 18, 2007: US07309592 (12 worldwide citation)

The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane; converting at least a portion of the biogas to synthesis gas comprising CO and H2; and contacting ...


3
John D Offerman, Hugh McTavish: Bio-recycling of carbon dioxide emitted from power plants. Hugh McTavish, April 5, 2011: US07919290 (2 worldwide citation)

The invention provides a method to decrease emission of carbon dioxide from combustion of fossil fuels or other hydrocarbons and to enhance the efficiency of methane production from anaerobic biodigesters. The invention involves feeding carbon dioxide from the exhaust gas of hydrocarbon fuel combust ...


4
Delman R Hogen, Jeffrey W Lighthart, Hugh McTavish, John D Offerman: Ethanol production from biological wastes. Novus Energy, Hugh McTavish, March 30, 2010: US07687250 (1 worldwide citation)

The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane; converting at least a portion of the biogas to synthesis gas comprising CO and H2; and contacting ...


5
John D Offerman: Efficient use of biogas carbon dioxide in liquid fuel synthesis. Hugh McTavish, June 12, 2012: US08198058

The invention provides methods for producing methanol, higher alcohols (containing 2 or more carbons), in particular ethanol, or diesel fuel from biological wastes such as manure, sewage, and crop wastes, as well as from other organic materials. In the methods, organic material is first fermented by ...


6
John D Offerman, Delman R Hogen, Jeffrey W Lighthart, Hugh McTavish: Ethanol production from biological wastes. Hugh McTavish, November 24, 2009: US07622285

The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane; converting at least a portion of the biogas to synthesis gas comprising CO and H2; and contacting ...


7
John D Offerman: Evaporite method to sequester carbon dioxide. Hugh McTavish, December 18, 2012: US08333942

The invention uses evaporites, e.g., from dried prehistoric lake beds to sequester carbon. The invention provides a method of sequestering carbon comprising: (a) dissolving crude naturally formed evaporites in water to form dissolved evaporite cations and anions; (b) contacting aqueous dissolved car ...


8
John D Offerman, Hugh McTavish: Bio-recycling of carbon dioxide emitted from power plants. Novus Energy, Hugh McTavish, McTavish Patent Firm, December 27, 2007: US20070298478-A1

The invention provides a method to decrease emission of carbon dioxide from combustion of fossil fuels or other hydrocarbons and to enhance the efficiency of methane production from anaerobic biodigesters. The invention involves feeding carbon dioxide from the exhaust gas of hydrocarbon fuel combust ...


9
John D Offerman: Efficient use of biogas carbon dioxide in liquid fuel synthesis. Novus Engergy, Hugh Mctavish, Mctavish Patent Firm, September 11, 2008: US20080220489-A1

The invention provides methods for producing methanol, higher alcohols (containing 2 or more carbons), in particular ethanol, or diesel fuel from biological wastes such as manure, sewage, and crop wastes, as well as from other organic materials. In the methods, organic material is first fermented by ...


10
John D Offerman, Delman R Hogen, Jeffrey W Lighthart, Hugh McTavish: Ethanol production from biological wastes. Novus Energy, Hugh McTavish, McTavish Patent Firm, December 1, 2005: US20050266540-A1

The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising methane; converting at least a portion of the biogas to synthesis gas comprising CO and H2; and contacting ...