Patents and Licenses


Patent Number	Title	License Status	Type	Issue Date
6821425	Biomass concentrator reactor	Available	Land	11/23/2004
6777374	Process for photo-induced selective oxidation of organic chemicals to alcohols, ketones, and aldehydes using flame-deposited nanostructured photocatalyst	Available	Sustainability	08/17/2004
6663781	Contaminant adsorption and oxidation via the Fenton reaction	Available	Ecosystems	12/16/2003
6655402	System and method for vacuum flushing sewer solids	Available	Water	12/02/2003
6544419	Method of preparing a composite polymer and silica-based membrane	Assigned	Sustainability	04/08/2003
6544418	Preparing and regenerating a composite polymer and silica-based membrane	Assigned	Sustainability	04/08/2003
6489157	Medium for cultivating microorganisms	Available	Land	12/03/2002
6306301	Silica-based membrane sorbent for heavy metal sequestration	Assigned	Sustainability	10/23/2001
6207073	Remediation of environmental contaminants using a metal and a sulfur-containing compound	Available	Ecosystems	03/27/2001
6165251	On-line gas chromatograph with sample preparation, concentration, and calibration apparatus for measuring trace organic species from combustor flue gas	Available	Air	12/26/2000
6152988	Enhancement of electrostatic precipitation with pre-charged particles and electrostatic field augmented fabric filtration	Exclusive	Air	11/28/2000
6139742	Membrane-based sorbent for heavy metal sequestration	Assigned	Sustainability	10/31/2000
6103121	Membrane-based sorbent for heavy metal sequestration	Assigned	Sustainability	08/15/2000
6100382	Method and composition for remediating environmental contaminants	Available	Ecosystems	08/08/2000
6063305	Refrigerant compositions containing a hydrofluoropropane and a hydrofluorocarbon	Available	Air	05/16/2000
6039882	Remediation of environmental contaminants using a metal and a sulfur-containing compound	Available	Ecosystems	03/21/2000
5972301	Minimizing emission of hexavalent chromium from combustion sources	Available	Air	10/26/1999
5858763	Thermophilic methanotrophs for high-temperature oxidations	Available	Land	01/12/1999
5832468	Method for improving process control by reducing lag time of sensors using artificial neural networks	Available	Air	11/03/1998
5711020	Method for remediating environmental contaminants	Available	Ecosystems	01/20/1998
5652485	Fuzzy logic integrated electrical control to improve variable speed wind turbine efficiency and performance	Available	Air	07/29/1997
5650089	Refrigerant compositions with fluorinated dimethyl ether and either difluoroethane or cyclopropane, and use thereof	Available	Air	07/22/1997
5601791	Electrostatic precipitator for collection of multiple pollutants	Available	Air	02/11/1997
5577522	Transportable, electronically controlled system for on-site decontamination of solid and hazardous waste	Available		11/26/1996
5451249	Landfill gas treatment system	Exclusive	Air	09/19/1995
5401481	Processes for removing acid components from gas streams	Assigned	Air	03/28/1995
5270015	Apparatus for removing sulfur from sulfur-containing gases	Assigned	Air	12/14/1993
4885139	Combined electrostatic precipitator and acidic gas removal system	Available	Air	12/05/1989
4882309	Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection	Available	Air	11/21/1989
4786485	Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection	Available	Air	11/22/1988

Patents and Licenses

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