Hazen Research, Inc.

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Golden, CO, US

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Patents Grantslast 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...

Patents Applicationslast 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...

Trademarklast 30 trademarks

Information Trademark
76196563 - DENSEPAC
- Serial number 76196563
- Filing date Jan 17, 2001
- Hazen Research, Inc.
- 4 - Industrial oils and greases

Hazen Research, Inc.

Organization

Patents Grantslast 30 patents

Compositionally gradient nickel-rich cathode materials and methods...

Recovery of rare earths from concentrates containing fluorine

Dry dust control materials

Methods of controlling the density and thermal properties of bulk m...

Methods of controlling the density and thermal properties of bulk m...

Method to reduce oxidative deterioration of bulk materials

Method to reduce oxidative deterioration of bulk materials

Method for reducing lead leaching in fixtures

Process for stabilization of arsenic

Method to reduce oxidative deterioration of bulk materials

Method for removing metals from waste solutions

Apparatus and method for inhibiting the leaching of lead in water

Method for removing metals from a solution

Selective recovery of dissolved metals and preparation of metal sal...

Selective recovery of heavy metals using xanthates

Process for the direct production of steel

Process for the recovery of lead and silver chlorides

Automatic volatile matter content analyzer

Manganese and zinc solvent extraction process

Process for beneficiating sulfide ores

Process for beneficiating sulfide ores

Hydrometallurgical process for the recovery of lead

Process for beneficiating ores

Process for enhancing the fuel value of low BTU gas

Process for beneficiating oxide ores

Process for recovering arsenic compounds by sodium hydroxide leaching

Chloride leach process for recovering metal values in the presence...

Process for recovering metal values from materials containing arsenic

Process for beneficiating sulfide ores

Process for beneficiating gold

Patents Applicationslast 30 patents

COMPOSITIONALLY GRADIENT NICKEL-RICH CATHODE MATERIALS AND METHODS...

RECOVERY OF RARE EARTHS FROM CONCENTRATES CONTAINING FLUORINE

Methods of controlling the density and thermal properties of bulk m...

Trademarklast 30 trademarks

76196563 - DENSEPAC