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Golden, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compositionally gradient nickel-rich cathode materials and methods...
Patent number
11,664,498
Issue date
May 30, 2023
Hazen Research Inc.
Thomas A. Kodenkandath
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Recovery of rare earths from concentrates containing fluorine
Patent number
10,640,847
Issue date
May 5, 2020
Hazen Research, Inc.
Kang Sun
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dry dust control materials
Patent number
7,208,023
Issue date
Apr 24, 2007
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Methods of controlling the density and thermal properties of bulk m...
Patent number
6,786,941
Issue date
Sep 7, 2004
Hazen Research, Inc.
Robert A. Reeves
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Methods of controlling the density and thermal properties of bulk m...
Patent number
6,422,494
Issue date
Jul 23, 2002
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method to reduce oxidative deterioration of bulk materials
Patent number
6,231,627
Issue date
May 15, 2001
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method to reduce oxidative deterioration of bulk materials
Patent number
5,919,277
Issue date
Jul 6, 1999
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for reducing lead leaching in fixtures
Patent number
5,904,783
Issue date
May 18, 1999
Hazen Research, Inc.
John P. Hager
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for stabilization of arsenic
Patent number
5,762,891
Issue date
Jun 9, 1998
Hazen Research, Inc.
Jerome P. Downey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method to reduce oxidative deterioration of bulk materials
Patent number
5,725,613
Issue date
Mar 10, 1998
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for removing metals from waste solutions
Patent number
5,660,735
Issue date
Aug 26, 1997
Hazen Research, Inc.
Enzo Coltrinari
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for inhibiting the leaching of lead in water
Patent number
5,544,859
Issue date
Aug 13, 1996
Hazen Research, Inc.
Enzo L. Coltrinari
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for removing metals from a solution
Patent number
5,536,416
Issue date
Jul 16, 1996
Hazen Research, Inc.
Enzo Coltrinari
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective recovery of dissolved metals and preparation of metal sal...
Patent number
5,399,322
Issue date
Mar 21, 1995
Hazen Research, Inc.
Enzo Coltrinari
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Selective recovery of heavy metals using xanthates
Patent number
5,320,759
Issue date
Jun 14, 1994
Hazen Research, Inc.
Enzo Coltrinari
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the direct production of steel
Patent number
RE32247
Issue date
Sep 16, 1986
Hazen Research, Inc.
Frank M. Stephens
075 - Specialized metallurgical processes, compositions for use therein, cons...
Information
Patent Grant
Process for the recovery of lead and silver chlorides
Patent number
4,556,422
Issue date
Dec 3, 1985
Hazen Research, Inc.
James E. Reynolds
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Automatic volatile matter content analyzer
Patent number
4,459,103
Issue date
Jul 10, 1984
Hazen Research, Inc.
David H. Gieskieng
G01 - MEASURING TESTING
Information
Patent Grant
Manganese and zinc solvent extraction process
Patent number
4,423,012
Issue date
Dec 27, 1983
Hazen Research Incorporated
James E. Reynolds
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for beneficiating sulfide ores
Patent number
4,289,529
Issue date
Sep 15, 1981
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for beneficiating sulfide ores
Patent number
4,289,528
Issue date
Sep 15, 1981
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical process for the recovery of lead
Patent number
4,276,084
Issue date
Jun 30, 1981
Hazen Research, Inc.
James E. Reynolds
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for beneficiating ores
Patent number
4,276,081
Issue date
Jun 30, 1981
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for enhancing the fuel value of low BTU gas
Patent number
4,257,781
Issue date
Mar 24, 1981
Hazen Research, Inc.
Frank M. Stephens
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for beneficiating oxide ores
Patent number
4,257,881
Issue date
Mar 24, 1981
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering arsenic compounds by sodium hydroxide leaching
Patent number
4,244,927
Issue date
Jan 13, 1981
Hazen Research, Inc.
James E. Reynolds
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Chloride leach process for recovering metal values in the presence...
Patent number
4,244,735
Issue date
Jan 13, 1981
Hazen Research, Inc.
James E. Reynolds
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering metal values from materials containing arsenic
Patent number
4,244,734
Issue date
Jan 13, 1981
Hazen Research, Inc.
James E. Reynolds
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for beneficiating sulfide ores
Patent number
4,239,529
Issue date
Dec 16, 1980
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for beneficiating gold
Patent number
4,229,209
Issue date
Oct 21, 1980
Hazen Research, Inc.
James K. Kindig
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patents Applications
last 30 patents
Information
Patent Application
COMPOSITIONALLY GRADIENT NICKEL-RICH CATHODE MATERIALS AND METHODS...
Publication number
20200365890
Publication date
Nov 19, 2020
HAZEN RESEARCH, INC.
Thomas A. Kodenkandath
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RECOVERY OF RARE EARTHS FROM CONCENTRATES CONTAINING FLUORINE
Publication number
20180209015
Publication date
Jul 26, 2018
HAZEN RESEARCH, INC.
Kang SUN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Methods of controlling the density and thermal properties of bulk m...
Publication number
20030132326
Publication date
Jul 17, 2003
Hazen Research, Inc.
Robert A. Reeves
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Trademark
last 30 trademarks
Information
Trademark
76196563 - DENSEPAC
Serial number
76196563
Filing date
Jan 17, 2001
Hazen Research, Inc.
4 - Industrial oils and greases
NSF Awards
last 12 months
processing...
Count: 3
NSF Awards
Information
NSF Award
STTR Phase I: Novel Thermal Method of Synthesizing Nanocrystalline...
Award Id
9903571
Effective date
Jul 1, 1999
Information
NSF Award
By-Product Molybdenum Recovery
Award Id
8010576
Effective date
Sep 1, 1980
Information
NSF Award
Separation of Radium-226 and Thorium-230 From Uranium Ore
Award Id
7917408
Effective date
Oct 1, 1979