C22B 21/0053
From other aluminium compounds
Official title: {from other aluminium compounds}
C22B21/0053 (From other aluminium compounds) appears on 27 US grants and 15 published applications in this corpus.
Search patents in C22B- Granted patents
- 27
- Published applications
- 15
- Assignees
- 21
- Inventors
- 50
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing reduced form of metal oxides14 Apr 2026US 12,601,030 B2K.K. Sun Metalon
- Method using plasma-coupled solar thermal energy and related device10 Nov 2020US 10,829,837 B2
- Processes for preparing alumina and various other products8 Jan 2019US 10,174,402 B2Orbite Technologies Inc.
- Process for dissolving aluminum for recovering nuclear fuel20 Feb 2018US 9,896,738 B2Savannah River Nuclear Solutions, LLC
- Process for cold hydrochemical decomposition of sodium hydrogen aluminosilicate8 Aug 2017US 9,725,785 B2Pleason Ventures Ltd.
- Method for producing reduced form of metal oxide23 Jul 2026US 2026/0209886 A1K.K. Sun Metalon
- Method for producing reduced form of metal oxides4 Dec 2025US 2025/0369069 A1K.K. Sun Metalon
- Process For Dissolving Aluminum For Recovering Nuclear Fuel1 Dec 2016US 2016/0348210 A1Savannah River Nuclear Solutions, LLC
- Method using plasma-coupled solar thermal energy and related device1 Dec 2016US 2016/0348211 A1
- Processes for preparing alumina and various other products20 Oct 2016US 2016/0304987 A1Orbite Technologies Inc.
Most cited
By later US patents
- Method and apparatus for the production of aluminium19US 6,565,733 B1Corus Aluminium Walzprodukte GmbH · 2003
- Preparation of fine aluminum powders by solution methods14US 5,885,321 AThe United States of America as represented by the Secretary of the Navy · 1999
- Processes for preparing alumina and various other products11US 9,382,600 B2Orbite Technologies Inc. · 2016
- Preparation of fine aluminum powders by solution methods9US 6,179,899 B2The United States of America as represented by the Secretary of the Navy · 2001
- Method for the thermal production of metals8US 4,441,920 AVereinigte Aluminium-Werke Aktiengesellschaft · 1984