B22F 3/22
Manufacture of workpieces or articles from metallic powder characterised by the manner
Official title: for producing castings from a slip
B22F3/22 (Manufacture of workpieces or articles from metallic powder characterised by the manner) appears on 920 US grants and 1,039 published applications in this corpus.
Search patents in B22F- Granted patents
- 920
- Published applications
- 1,039
- Assignees
- 620
- Inventors
- 2,381
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 22 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 27 | 0 |
| 1995 | 21 | 0 |
| 1996 | 16 | 0 |
| 1997 | 27 | 0 |
| 1998 | 19 | 0 |
| 1999 | 30 | 0 |
| 2000 | 14 | 0 |
| 2001 | 27 | 1 |
| 2002 | 27 | 29 |
| 2003 | 25 | 19 |
| 2004 | 16 | 22 |
| 2005 | 14 | 20 |
| 2006 | 11 | 16 |
| 2007 | 5 | 19 |
| 2008 | 7 | 22 |
| 2009 | 10 | 25 |
| 2010 | 16 | 26 |
| 2011 | 12 | 26 |
| 2012 | 12 | 29 |
| 2013 | 6 | 45 |
| 2014 | 13 | 30 |
| 2015 | 28 | 40 |
| 2016 | 30 | 55 |
| 2017 | 23 | 75 |
| 2018 | 35 | 80 |
| 2019 | 49 | 70 |
| 2020 | 37 | 80 |
| 2021 | 49 | 73 |
| 2022 | 51 | 66 |
| 2023 | 39 | 44 |
| 2024 | 35 | 58 |
| 2025 | 35 | 50 |
| 2026 | 21 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic formulations for additive manufacturing of three-dimensional objects containing sinterable materials25 Aug 2026US 12,715,036 B2Tritone Technologies Ltd.
- System and method for inspecting components fabricated using a powder metallurgy process11 Aug 2026US 12,704,494 B2The Boeing Company
- Tuned differential shrinkage sinter joining21 Jul 2026US 12,686,053 B2Cummins Inc.
- Process for manufacturing a gas turbine engine blade9 Jun 2026US 12,650,078 B2Alliance
- Production method for rare-earth sintered magnet, and wet-molding device19 May 2026US 12,633,451 B2Proterial, Ltd.
- Recycling facility and recycling method for magnesium alloy17 Sep 2026US 2026/0275452 A1The Japan Steel Works, Ltd.
- Metal powder for metal injection molding method10 Sep 2026US 2026/0264142 A1Safran Aircraft Engines
- Preparation process for metal part with complex internal cavity and metal nozzle20 Aug 2026US 2026/0241448 A1Huizhou Shindy Intelligent Manufacturing Technology Co., Ltd
- Tial-based alloy and method for producing the same20 Aug 2026US 2026/0242896 A1Institute of Science Tokyo
- Powder injection molding apparatus for molding a dental article6 Aug 2026US 2026/0225156 A1Institut Straumann AG
Most cited
By later US patents
- Injection molded anvils1,507US 5,308,576 AUnited States Surgical Corporation · 1994
- Fabricating multi-part assemblies597US 9,815,118 B1Desktop Metal, Inc. · 2017
- Surgical anvil manufacturing methods352US 11,266,405 B2Cilag GmbH International · 2022
- Prosthetic hip joint having sintered polycrystalline diamond compact articulation surfaces277US 6,290,726 B1Diamicron, Inc. · 2001
- Method of powder injection molding271US 5,950,063 AThermat Precision Technology, Inc. · 1999