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CPC
C22B21/00
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
Current Industry
C22B21/00
Obtaining aluminium
Sub Industries
C22B21/0007
Preliminary treatment of ores or scrap or any other metal source
C22B21/0015
by wet processes
C22B21/0023
from waste materials
C22B21/003
from spent catalysts
C22B21/0038
by other processes
C22B21/0046
from aluminium halides
C22B21/0053
from other aluminium compounds
C22B21/0061
using metals
C22B21/0069
from scrap, skimmings or any secondary source aluminium
C22B21/0076
from spent catalysts
C22B21/0084
melting and handling molten aluminium
C22B21/0092
Remelting scrap, skimmings or any secondary source aluminium
C22B21/02
with reducing
C22B21/04
with alkali metals earth alkali metals included
C22B21/06
refining
C22B21/062
using salt or fluxing agents
C22B21/064
using inert or reactive gases
C22B21/066
Treatment of circulating aluminium
C22B21/068
handling in vacuum
Industries
Overview
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Patents Grants
last 30 patents
Information
Patent Grant
Process for extracting lithium, aluminum, and silicon materials fro...
Patent number
12,091,727
Issue date
Sep 17, 2024
James G. Blencoe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for recovering metals using oxalate compounds
Patent number
12,054,805
Issue date
Aug 6, 2024
University of Kansas
Mark Brandon Shiflett
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing thermally processed material
Patent number
12,043,880
Issue date
Jul 23, 2024
Norsk Hydro ASA
Roland Scharf-Bergmann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy for high pressure die casting applications
Patent number
12,024,759
Issue date
Jul 2, 2024
Magna International Inc.
Randy S. Beals
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for recycling lithium batteries
Patent number
12,018,350
Issue date
Jun 25, 2024
DUSENFELD GMBH
Christian Hanisch
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus and methods for filtering metals
Patent number
11,986,881
Issue date
May 21, 2024
ALCOA CANADA CO.
Robert Dumont
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal recovery system and method
Patent number
11,970,754
Issue date
Apr 30, 2024
BEST PROCESS SOLUTIONS, INC.
Timothy F. Conway
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Lithium ion battery scrap treatment method
Patent number
11,961,980
Issue date
Apr 16, 2024
JX Metals Corporation
Junichi Arakawa
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Product comprising recycled aluminum alloy wheel fragments and an a...
Patent number
11,946,117
Issue date
Apr 2, 2024
House of Metals Company Limited
Daniel Bitton
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for regenerating copper-containing aluminum alloy from alumi...
Patent number
11,939,644
Issue date
Mar 26, 2024
The Boeing Company
Zhi Sun
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Device for trapping hydrogen
Patent number
11,932,920
Issue date
Mar 19, 2024
CONSTELLIUM ISSOIRE
Jocelyn Prigent
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of recovering cobalt and nickel
Patent number
11,929,473
Issue date
Mar 12, 2024
Mitsubishi Materials Corporation
Hiroki Muraoka
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and installation for removing slag from metallurgical melts
Patent number
11,926,879
Issue date
Mar 12, 2024
RIA Cast House Enginering GmbH
David Roth
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Volatiles capture educator system
Patent number
11,904,283
Issue date
Feb 20, 2024
GPRE IP LLC
John M. Peterman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Preparation of rare earth metals and other chemicals from industria...
Patent number
11,866,804
Issue date
Jan 9, 2024
Purdue Research Foundation
Nien-Hwa Linda Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Dross handling methods and apparatus
Patent number
11,859,906
Issue date
Jan 2, 2024
Altek Europe Limited
Alan Peel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Articles and methods for processing scrap aluminum
Patent number
11,821,055
Issue date
Nov 21, 2023
Massachusetts Institute of Technology
Peter Godart
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Recovery of critical metals from SX-EW copper raffinate and other s...
Patent number
11,821,057
Issue date
Nov 21, 2023
Scandium Internatlonal Mlning Corporatlon
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and system for improving waste metal batch composition
Patent number
11,795,523
Issue date
Oct 24, 2023
House of Metals Company Limited
Daniel Bitton
B24 - GRINDING POLISHING
Information
Patent Grant
Molten metal transfer structure and method
Patent number
11,759,854
Issue date
Sep 19, 2023
Molten Metal Equipment Innovations, LLC
Paul V. Cooper
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for recycling iron and aluminum in nickel-cobalt-manganese s...
Patent number
11,760,655
Issue date
Sep 19, 2023
HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD.
Haozhen Deng
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and methods for recycling waste metal pieces using shot bla...
Patent number
11,761,056
Issue date
Sep 19, 2023
House of Metals Company Limited
Daniel Bitton
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Furnace controller and method of operating a furnace
Patent number
11,740,022
Issue date
Aug 29, 2023
Air Products and Chemicals, Inc.
Martin Lawrence
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for producing 2024 and 7075 aluminum alloys by recycling wa...
Patent number
11,685,966
Issue date
Jun 27, 2023
The Boeing Company
Shengen Zhang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal recovery system and method
Patent number
11,629,390
Issue date
Apr 18, 2023
BEST PROCESS SOLUTIONS, INC.
Timothy F. Conway
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and device for producing feedstock in piece form from metal
Patent number
11,624,102
Issue date
Apr 11, 2023
Norsk Hydro ASA
Roland Scharf-Bergmann
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Apparatus and methods for filtering metals
Patent number
11,541,454
Issue date
Jan 3, 2023
ALCOA CANADA CO.
Robert Dumont
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Multi-chamber melting furnace and method for melting non-ferrous sc...
Patent number
11,486,642
Issue date
Nov 1, 2022
GAUTSCHI ENGINEERING GMBH
Tom Jumelet
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Decision-making method of comprehensive alumina production indexes...
Patent number
11,487,962
Issue date
Nov 1, 2022
Northeastern University
Changxin Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Automated device for degassing and/or foaming of metals and their a...
Patent number
11,473,167
Issue date
Oct 18, 2022
Chirag Satish Shah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF RECOVERING ELECTRODE MATERIAL AND METHOD OF MANUFACTURING...
Publication number
20240387893
Publication date
Nov 21, 2024
Prime Planet Energy & Solutions, Inc.
Yozo UCHIDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING VALUABLE METAL
Publication number
20240387894
Publication date
Nov 21, 2024
Sumitomo Metal Mining Co., Ltd.
Yu Yamashita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR DRY BENEFICIATION OF BAUXITE MINERALS BY ELECTROSTATIC...
Publication number
20240376563
Publication date
Nov 14, 2024
SEPARATION TECHNOLOGIES LLC
Kyle P. Flynn
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SUSTAINABLE REMELTING LINE FOR ALUMINIUM ALLOY SCRAP
Publication number
20240368732
Publication date
Nov 7, 2024
Constellium Issoire
Marc BERTHERAT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS
Publication number
20240372169
Publication date
Nov 7, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
Xingen Chen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE
Publication number
20240356099
Publication date
Oct 24, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
Shibao Ouyang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SUSTAINABLY RECYCLING ALUMINIUM ALLOY SCRAP
Publication number
20240352556
Publication date
Oct 24, 2024
Constellium Issoire
Anne PICHAT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR MELTING A CHARGE OF ALUMINIUM USING AN INDUCTION FURNACE
Publication number
20240352555
Publication date
Oct 24, 2024
Constellium Issoire
Marc BERTHERAT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALUMINUM PRODUCTION POWERED BY GEOTHERMAL ENERGY
Publication number
20240327949
Publication date
Oct 3, 2024
EnhancedGEO Holdings, LLC
Greg Lindberg
B22 - CASTING POWDER METALLURGY
Information
Patent Application
A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES
Publication number
20240318277
Publication date
Sep 26, 2024
BRAIN BIOTECH AG
Gina DUNLEVY
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR RECOVERING PROCESSED ALUMINUM SCRAPS OF AERONAUTICAL ALU...
Publication number
20240295007
Publication date
Sep 5, 2024
The Boeing Company
Zhi Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MAGNESIUM REDUCTION IN MOLTEN ALUMINUM
Publication number
20240279772
Publication date
Aug 22, 2024
Oculatus LLC
Robert B. Wagstaff
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PREPARATION OF RARE EARTH METALS AND OTHER CHEMICALS FROM INDUSTRIA...
Publication number
20240271247
Publication date
Aug 15, 2024
Purdue Research Foundation
Nien-Hwa Linda Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING WASTE LITHIUM COBALT OXIDE BATTERY
Publication number
20240274913
Publication date
Aug 15, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD
Yingsheng ZHONG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND EQUIPMENT FOR TREATMENT OF MOLTEN ALUMINIUM METAL
Publication number
20240263270
Publication date
Aug 8, 2024
Norsk Hydro ASA
Inge JOHANSEN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
APPARATUS AND METHODS FOR FILTERING METALS
Publication number
20240261852
Publication date
Aug 8, 2024
ALCOA CANADA CO.
Robert Dumont
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR RECOVERING LITHIUM PRECURSOR FROM LITHIUM SECONDARY BATTERY
Publication number
20240262703
Publication date
Aug 8, 2024
SK INNOVATION CO., LTD.
Hyeon Jung KIM
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR CO-PRODUCING LITHIUM, ALUMINUM, AND SILICON-OXYGEN (Si-...
Publication number
20240247337
Publication date
Jul 25, 2024
JAMES GUY BLENCOE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DIE-CASTING ALUMINUM ALLOY MATERIAL PRODUCED ENTIRELY FROM RECYCLED...
Publication number
20240240289
Publication date
Jul 18, 2024
Huajin New Materials Research Institute (Guangzhou) Co., Ltd.
Weizhong FAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING VALUABLE METAL
Publication number
20240240281
Publication date
Jul 18, 2024
Sumitomo Metal Mining Co., Ltd.
Yu Yamashita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALUMINUM WHEELS AND METHODS FOR CASTING ALUMINUM WHEELS USING HIGH...
Publication number
20240227433
Publication date
Jul 11, 2024
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Henry ZHAN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE M...
Publication number
20240229189
Publication date
Jul 11, 2024
Coogee Titanium Pty Ltd
Daniel Jewell
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PROCESS FOR RECOVERING SILVER FROM SCRAP PHOTOVOLTAIC CELLS
Publication number
20240229192
Publication date
Jul 11, 2024
9-TECH S.r.l.
Pietrogiovanni CERCHIER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECYCLING LITHIUM BATTERIES
Publication number
20240218481
Publication date
Jul 4, 2024
DUSENFELD GMBH
Christian HANISCH
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD FOR RECYCLING AN ELECTRODE
Publication number
20240213560
Publication date
Jun 27, 2024
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES M
Emmanuel Billy
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MELTING SYSTEM, AND PROCESS FOR MELTING ALUMINUM SCRAP
Publication number
20240200872
Publication date
Jun 20, 2024
CONSTELLIUM NEUF-BRISACH SAS
Anne PICHAT
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL
Publication number
20240204277
Publication date
Jun 20, 2024
METSO FINLAND OY
Tuomas VAN DER MEER
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE HIGH EFFICIENCY RECYCLING OF IRON PHOSPHATE BLACK PO...
Publication number
20240182304
Publication date
Jun 6, 2024
Watix Technology LLC
Robert Brian Huang
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for dissolving a positive electrode material
Publication number
20240183005
Publication date
Jun 6, 2024
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Emmanuel Billy
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Lithium Battery Recycling Method
Publication number
20240178471
Publication date
May 30, 2024
JEREH ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD.
Qun YU
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL