B22F 9/20
Starting from solid metal compounds
Official title: starting from solid metal compounds
B22F9/20 (Starting from solid metal compounds) appears on 505 US grants and 470 published applications in this corpus.
Search patents in B22F- Granted patents
- 505
- Published applications
- 470
- Assignees
- 362
- Inventors
- 1,464
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 6 |
| 2003 | 12 | 15 |
| 2004 | 6 | 12 |
| 2005 | 9 | 8 |
| 2006 | 9 | 14 |
| 2007 | 5 | 19 |
| 2008 | 8 | 17 |
| 2009 | 8 | 10 |
| 2010 | 13 | 21 |
| 2011 | 8 | 17 |
| 2012 | 13 | 18 |
| 2013 | 13 | 22 |
| 2014 | 13 | 22 |
| 2015 | 15 | 16 |
| 2016 | 11 | 22 |
| 2017 | 13 | 22 |
| 2018 | 19 | 24 |
| 2019 | 16 | 27 |
| 2020 | 24 | 30 |
| 2021 | 19 | 16 |
| 2022 | 26 | 23 |
| 2023 | 15 | 19 |
| 2024 | 11 | 35 |
| 2025 | 11 | 21 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-step thermal treatment of nickel-containing sulfides for the production of ferronickel22 Sep 2026US 12,741,314 B2The Governing Council of the University of Toronto
- Method for producing tantalum powder for capacitors by reducing tantalum oxide with alkaline earth metal15 Sep 2026US 12,734,580 B2Ningxia Orient Tantalum Industry Co., Ltd.
- Zigzag flow reactor for heterogenous thermochemical reduction8 Sep 2026US 12,728,457 B2Arizona Board of Regents on behalf of Arizona State University
- Samarium-iron-nitrogen based magnet powder and samarium-iron-nitrogen based magnet1 Sep 2026US 12,725,721 B2National Institute of Advanced Industrial Science and Technology
- Alloy powder and preparation method therefor26 May 2026US 12,636,701 B2LG Electronics Inc.
- Powder metallurgy hot isostatic pressing cost-effective components using metal hydride feedstock8 Oct 2026US 2026/0307147 A1The Boeing Company
- Zigzag flow reactor for heterogenous thermochemical reduction1 Oct 2026US 2026/0295671 A1Arizona Board of Regents on behalf of Arizona State University
- Tungsten carbide alloy filament and preparation method therefor, and heating device17 Sep 2026US 2026/0275463 A1Xiamen Honglu Tungsten Molybdenum Industry Co., Ltd.
- Mesoporous nickel powder and preparation method therefor, nickel-phosphorus catalyst system and adiponitrile preparation method3 Sep 2026US 2026/0257212 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging30 Jul 2026US 2026/0216789 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Process for the reduction of metallic compounds by polyols, and metallic powders obtained by this process101US 4,539,041 AUniversite Paris VII · 1985
- Tantalum powder, method for producing same powder and sintered anodes obtained from it101US 6,193,779 B1H. C. Starck GmbH · 2001
- Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium86US 6,171,363 B2H. C. Starck GmbH · 2001
- Magnetic metal or metal carbide nanoparticles and a process for forming same84US 5,456,986 ACarnegie Mellon University · 1995
- Method for producing a titanium metallic composition having titanium boride particles dispersed therein75US 7,410,610 B2General Electric Company · 2008