CLEVELAND-CLIFFS STEEL PROPERTIES INC. (F/K/A AK STEEL PROPERTIES, INC

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COLUMBUS, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Tundish funnel
- Patent number 11,958,107
- Issue date Apr 16, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Michael Ryan Hartley
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Grain oriented electrical steel with improved forsterite coating ch...
- Patent number 11,942,247
- Issue date Mar 26, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Jerry William Schoen
- C21 - METALLURGY OF IRON
Information Patent Grant
Snout for use in a hot dip coating line
- Patent number 11,939,656
- Issue date Mar 26, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Press hardened steel with extremely high strength and method for pr...
- Patent number 11,913,099
- Issue date Feb 27, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Erik James Pavlina
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Snout for use in a hot dip coating line
- Patent number 11,898,251
- Issue date Feb 13, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Joining of Al-Si coated press hardened steel using flash butt welding
- Patent number 11,660,699
- Issue date May 30, 2023
- Cleveland-Cliffs Steel Properties Inc.
- Matthew James Duffey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of colorizing stainless steel using strip anneal processing
- Patent number 11,584,997
- Issue date Feb 21, 2023
- Cleveland-Cliffs Steel Properties Inc.
- Frederick A. Myers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Press hardened steel with tailored properties
- Patent number 11,491,581
- Issue date Nov 8, 2022
- Cleveland-Cliffs Steel Properties Inc.
- Erik James Pavlina
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rare earth metal oxide coatings prepared with rare earth metal nitr...
- Patent number 11,326,260
- Issue date May 10, 2022
- Cleveland-Cliffs Steel Properties Inc.
- Zhuangfei Zhou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for extending the campaign life of stabilizers for a coating...
- Patent number 11,242,589
- Issue date Feb 8, 2022
- Cleveland-Cliffs Steel Properties Inc.
- Joyce C. Niedringhaus
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Weld wheel cleaning system
- Patent number 11,207,745
- Issue date Dec 28, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for extending the campaign life of stabilizers...
- Patent number 11,168,388
- Issue date Nov 9, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Joyce C. Niedringhaus
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Roll for use in a hot dip coating line
- Patent number 11,142,817
- Issue date Oct 12, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Roll for use in a hot dip coating line
- Patent number 11,142,816
- Issue date Oct 12, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
High manganese 3rd generation advanced high strength steels
- Patent number 11,136,656
- Issue date Oct 5, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Luis Gonzalo Garza-Martinez
- C21 - METALLURGY OF IRON
Information Patent Grant
Submerged entry nozzle for continuous casting
- Patent number 11,052,459
- Issue date Jul 6, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Ken Morales Higa
- B22 - CASTING POWDER METALLURGY

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Patents Applicationslast 30 patents

Information Patent Application
METHOD OF DROSS EXTRACTION USING HEATED NITROGEN AND ACCUMULATED PR...
- Publication number 20240026510
- Publication date Jan 25, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Joshua Wayne THOMPSON
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PREVENTION OF PREMATURE EDGE FRACTURE AT DRAW BEAD
- Publication number 20240001424
- Publication date Jan 4, 2024
- Cleveland-Cliffs Steel Properties Inc.
- Feng Zhu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SLURRY-BLASTED HOT-ROLL-BASED HOT DIP ALUMINIZED STEEL STRIP
- Publication number 20230323520
- Publication date Oct 12, 2023
- Cleveland-Cliffs Steel Properties Inc.
- James F. EVANS
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SUPER CQHT HIGH TEMPERATURE ALLOY-RESISTANT ALUMINIZED STEEL WITH M...
- Publication number 20230323522
- Publication date Oct 12, 2023
- Cleveland-Cliffs Steel Properties Inc.
- James F. EVANS
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR THE PRODUCTION OF HIGH PERMEABILITY GRAIN ORIENTED ELECT...
- Publication number 20230212720
- Publication date Jul 6, 2023
- Cleveland-Cliffs Steel Properties Inc.
- Jerry W. Schoen
- C21 - METALLURGY OF IRON
Information Patent Application
DIGITAL ROLL GAP VERIFICATION TOOL AND RELATED CALIBRATION STAND
- Publication number 20230110043
- Publication date Apr 13, 2023
- Cleveland-Cliffs Steel Properties Inc.
- Zachary Duwayne Emmons
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
WELD WHEEL CLEANING SYSTEM
- Publication number 20220063013
- Publication date Mar 3, 2022
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SNOUT FOR USE IN A HOT DIP COATING LINE
- Publication number 20210404043
- Publication date Dec 30, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SNOUT FOR USE IN A HOT DIP COATING LINE
- Publication number 20210363624
- Publication date Nov 25, 2021
- Cleveland-Cliffs Steel Properties Inc.
- Daniel J. Cadotte
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

CLEVELAND-CLIFFS STEEL PROPERTIES INC. (F/K/A AK STEEL PROPERTIES, INC

Organization

Patents Grantslast 30 patents

Tundish funnel

Grain oriented electrical steel with improved forsterite coating ch...

Snout for use in a hot dip coating line

Press hardened steel with extremely high strength and method for pr...

Snout for use in a hot dip coating line

Joining of Al-Si coated press hardened steel using flash butt welding

Method of colorizing stainless steel using strip anneal processing

Press hardened steel with tailored properties

Rare earth metal oxide coatings prepared with rare earth metal nitr...

Method for extending the campaign life of stabilizers for a coating...

Weld wheel cleaning system

Method and apparatus for extending the campaign life of stabilizers...

Roll for use in a hot dip coating line

Roll for use in a hot dip coating line

High manganese 3rd generation advanced high strength steels

Submerged entry nozzle for continuous casting

Patents Applicationslast 30 patents

METHOD OF DROSS EXTRACTION USING HEATED NITROGEN AND ACCUMULATED PR...

METHOD FOR PREVENTION OF PREMATURE EDGE FRACTURE AT DRAW BEAD

SLURRY-BLASTED HOT-ROLL-BASED HOT DIP ALUMINIZED STEEL STRIP

SUPER CQHT HIGH TEMPERATURE ALLOY-RESISTANT ALUMINIZED STEEL WITH M...

METHOD FOR THE PRODUCTION OF HIGH PERMEABILITY GRAIN ORIENTED ELECT...

DIGITAL ROLL GAP VERIFICATION TOOL AND RELATED CALIBRATION STAND

WELD WHEEL CLEANING SYSTEM

SNOUT FOR USE IN A HOT DIP COATING LINE

SNOUT FOR USE IN A HOT DIP COATING LINE