C22B 34/1272
Reduction of titanium halides
Official title: {reduction of titanium halides, e.g. Kroll process}
C22B34/1272 (Reduction of titanium halides) appears on 81 US grants and 78 published applications in this corpus.
Search patents in C22B- Granted patents
- 81
- Published applications
- 78
- Assignees
- 49
- Inventors
- 171
- Latest grant
- 25 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 4 |
| 2004 | 1 | 7 |
| 2005 | 4 | 4 |
| 2006 | 3 | 7 |
| 2007 | 0 | 6 |
| 2008 | 2 | 12 |
| 2009 | 5 | 8 |
| 2010 | 5 | 5 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 5 |
| 2014 | 6 | 2 |
| 2015 | 4 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Producing titanium alloy materials through reduction of titanium tetrachloride25 Oct 2022US 11,478,851 B2General Electric Company
- Producing titanium alloy materials through reduction of titanium tetrachloride7 Dec 2021US 11,193,185 B2General Electric Company
- Methods using high surface area per volume reactive particulate30 Mar 2021US 10,960,469 B2Coogee Titanium Pty Ltd
- Molten salt electrolyzer, and method for producing metal magnesium using the same and method for producing a titanium sponge17 Nov 2020US 10,837,084 B2Toho Titanium Co., Ltd.
- Separation method31 Jul 2018US 10,035,078 B2Commonwealth Scientific and Industrial Research Organisation
- Pyrophoric metals and metal alloys26 Mar 2026US 2026/0084210 A1Coogee Titanium Pty Ltd
- Method for producing metal titanium27 Apr 2023US 2023/0125127 A1IHI Corporation
- Metal titanium production apparatus and method29 Jul 2021US 2021/0230715 A1IHI Corporation
- Sponge titanium, method for producing sponge titanium, and method for producing titanium ingot or titanium alloy ingot15 Apr 2021US 2021/0108287 A1Toho Titanium Co., Ltd.
- Producing titanium alloy materials through reduction of titanium tetrachloride17 Oct 2019US 2019/0314896 A1General Electric Company
Most cited
By later US patents
- Method of making metals and other elements59US 5,779,761 AKroftt-Brakston International, Inc. · 1998
- Method of making metals and other elements from the halide vapor of the metal54US 5,958,106 AInternational Titanium Powder, LLC · 1999
- Electrolytic recovery system for obtaining titanium metal from its ore48US 4,487,677 AMetals Production Research, Inc. · 1984
- Production of metal powders by reduction of metal salts in fused bath40US 4,820,339 ACerex Corporation · 1989
- Method for manufacturing titanium powder or titanium composite powder38US 5,032,176 AKokan Mining Co., Ltd. · 1991