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1971-06-11 |
1973-11-20 |
Colgate Palmolive Co |
Washing apparatus including means for removal of phosphates from the washing solution
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1973-04-26 |
1978-06-20 |
Francis A.L. Dullien |
Gas scrubber
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1973-05-08 |
1979-09-13 |
Metallgesellschaft Ag, 6000 Frankfurt |
Process for removing gaseous contaminants from exhaust gases from sulfuric acid contact systems
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1973-09-20 |
1977-11-15 |
Griffin John W |
Liquid filter apparatus
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1973-10-01 |
1976-02-03 |
United States Steel Corporation |
Removal of sulfur dioxide from stack gases with phosphate slimes
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1974-01-24 |
1975-11-06 |
Metallgesellschaft Ag |
PROCESS FOR THE SEPARATION OF HYDROGEN FROM ALUMINUM ELECTROLYSIS EXHAUST GASES BY DRY ADSORPTION OF ALUMINUM OXIDE WITH COMPLETE SEPARATION OF THE DAMAGING ELEMENTS
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1974-04-25 |
1976-07-13 |
Teller Environmental Systems, Inc. |
Abatement of high concentrations of acid gas emissions
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1974-08-19 |
1980-01-29 |
James J. Schwab |
Process and apparatus for electrostatic cleaning of gases
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1974-09-19 |
1978-09-12 |
Beamer/Wilkinson & Associates |
Process for the removal of sulfur dioxide from exhaust flue gases
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1974-11-13 |
1976-11-09 |
Exxon Research And Engineering Company |
Narrow particle size distribution catalysts and method therefor
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1974-12-12 |
1977-12-27 |
Owens-Corning Fiberglas Corporation |
Method and apparatus for removing particulate pollutants from stack gases
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1974-12-12 |
1977-06-07 |
Owens-Corning Fiberglas Corporation |
Method for removing particulate pollutants from stack gases
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1975-02-07 |
1976-05-25 |
Chemsep Corporation |
Extraction method for non-ferrous metals
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1975-02-27 |
1979-05-08 |
Occidental Petroleum Corporation |
Pyrolysis process for solid wastes
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1975-04-02 |
1976-08-17 |
Exxon Research And Engineering Company |
Process for gasifying carbonaceous solids and removing toxic constituents from aqueous effluents
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1975-04-11 |
1976-12-07 |
Envirotech Corporation |
Calcium reclamation process
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1975-06-04 |
1978-03-28 |
Exxon Research & Engineering Co. |
Process for reducing flue gas contaminants from fluid cracking catalyst regenerator
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1975-09-16 |
1977-10-03 |
Boliden Ab |
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1976-01-16 |
1980-05-20 |
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Process for removal of discrete particulates and solutes from liquids by foam flotation
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1976-03-03 |
1977-07-12 |
Sonoco Products Company |
Recovery process and apparatus for alkali metal-containing waste liquor
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1976-06-10 |
1977-12-13 |
Waldes Kohinoor, Inc. |
Non-polluting system for metal surface treatments
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1976-06-25 |
1978-04-18 |
Occidental Petroleum Corporation |
Pyrolysis of carbonaceous materials with solvent quench recovery
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1976-08-27 |
1978-03-15 |
Gamou Hideaki |
Dezincing method and mechanism for iron manufacture dust recovery process
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1976-09-20 |
1978-09-26 |
Kennecott Copper Corporation |
In-situ mining method and apparatus
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1976-09-24 |
1980-03-25 |
Air Pollution Systems, Inc. |
Electrostatic precipitator
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1976-12-17 |
1978-04-11 |
Arthur G. Mckee & Company |
Regenerative process for flue gas desulfurization
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1977-07-11 |
1981-08-18 |
Quad Environmental Technologies Corp. |
Condensation cleaning of particulate laden gases
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1978-01-16 |
1980-07-01 |
General Electric Company |
Process and apparatus for the drying of resinous materials
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1978-05-15 |
1981-05-12 |
Air Pollution Technology, Inc. |
Particle scrubber and related method
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1979-07-13 |
1981-01-13 |
Union Carbide Corporation |
High intensity ionization-electrostatic precipitation system for particle removal and method of operation
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1979-09-21 |
1981-02-17 |
Union Carbide Corporation |
High intensity ionization-electrostatic precipitation system for particle removal
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1979-09-21 |
1981-01-27 |
Union Carbide Corporation |
High intensity ionization-wet collection method and apparatus
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1980-04-14 |
1981-10-13 |
Betz Laboratories, Inc. |
Electrostatic precipitator efficiency enhancement
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1980-04-16 |
1981-10-19 |
Voest Alpine Ag |
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1980-07-05 |
1984-02-23 |
Metallgesellschaft Ag, 6000 Frankfurt |
Process for the production of zirconium tetrafluoride
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1981-05-20 |
1985-08-29 |
Silverton Tannery Limited |
Method of clarifying proteinaceous waste water containing solid impurities
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1983-01-28 |
1983-08-30 |
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Process for removing precious metals from ore
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1983-06-08 |
1985-03-12 |
Norandy, Incorporated |
Apparatus for comminuting materials to extremely fine size using a circulating stream jet mill and a discrete but interconnected and interdependent rotating anvil-jet impact mill
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1983-07-01 |
1985-08-13 |
Chevron Research Company |
Sulfur extraction process
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1984-04-30 |
1986-10-28 |
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Apparatus for dielectrophoretically enhanced particle collection
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1984-04-30 |
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1986-10-28 |
Isca Management Limited |
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1987-05-08 |
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Shell Oil Company |
Removal of hydrogen selenide
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1987-07-20 |
1988-05-31 |
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1989-04-12 |
1993-11-30 |
Miltox Holdings Pte, Limited |
Method and apparatus for waste treatment
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1989-09-21 |
1992-03-17 |
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Iron removal system and method
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1990-03-30 |
1992-01-28 |
Croll-Reynolds Company, Inc. |
Wet wall electrostatic precipitator with liquid recycle
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1990-09-04 |
1992-06-23 |
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Apparatus for treatment of effluent
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1990-12-11 |
1991-11-12 |
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High velocity gas particulate sampling system
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1991-01-30 |
1992-06-09 |
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Pre-treatment sewer discharge system
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1991-04-08 |
1994-02-15 |
Ari Technologies, Inc. |
Multi-bed cocurrent downflow mass transfer column with spherical packing
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1994-04-12 |
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Multi-bed mass transfer column with mobile packing
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1994-03-22 |
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Multi-bed mass transfer column with mobile packing
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1995-06-27 |
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Method of separating solid and/or liquid particles and/or polluting gas from a gas stream, and apparatus for carrying out the method
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1991-07-08 |
1999-02-09 |
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Method for treating fluent materials
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1991-08-08 |
1993-08-10 |
Idaho Research Foundation, Inc. |
Recovery of non-ferrous metals from smelter flue dusts and sludges
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1993-07-02 |
1995-03-21 |
Camacho; Salvador L. |
Method for vitrification of fine particulate matter and products produced thereby
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1994-05-06 |
1995-12-19 |
Greenfield Environmental |
Method for extracting metals from sediment
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1994-12-16 |
1996-11-26 |
United States Of America |
Transportable, electronically controlled system for on-site decontamination of solid and hazardous waste
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1995-05-03 |
1997-11-25 |
The United States Of America As Represented By The United States Department Of Energy |
Process for treating effluent from a supercritical water oxidation reactor
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1995-05-19 |
2001-08-14 |
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Method for recovering and separating metals from waste streams
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1995-05-19 |
2001-08-07 |
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Method for recovering and separating metals from waste streams
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1996-10-16 |
1998-10-20 |
Long; Ron |
Ozone treatment system for point of use purification of water and sanitizing agent for surfaces, articles and foods
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1997-02-27 |
1999-05-18 |
David H. Manz |
Closed chemically enhanced treatment system
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1997-05-20 |
1999-03-09 |
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Water purification and recovery system
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1997-09-30 |
2001-04-18 |
Mortimer Tech Holdings |
A PROCEDURE FOR THE TREATMENT OF PARTICULATED MATERIALS, IN WHICH PARTICLES OF THE MATERIAL TO BE TREATED INTERACT WITH NON-STATIC PARTICLES OF A SECOND MATERIAL, A CALCINATED LESS THAT IS OBTAINED THROUGH SUCH PROCEDURE, A REACTOR TO EXPOSURE A FLOW
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1999-04-23 |
2001-05-29 |
The Babcock & Wilcox Company |
Ultra-high particulate collection of sub-micron aerosols
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2000-11-10 |
2003-05-13 |
Watermark Technologies, Llc |
Methods for negative atmospheric pressure removal of arsenic and other metals
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2002-11-15 |
2005-04-19 |
M-I Llc |
Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid
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2001-06-26 |
2003-07-22 |
Delozier Ii Gerald Edward |
Potable water treatable process using hydrogen peroxide and metallic coagulant
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2001-10-11 |
2003-02-18 |
Jeremy Mathew Rasmussen |
Method and apparatus for fluid entrainment
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2004-05-11 |
2005-08-30 |
Water Missions International |
Transportable water treatment system
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