B22F 3/00
Manufacture of workpieces or articles from metallic powder characterised by the manner
Official title: Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor {; Presses and furnaces}
B22F3/00 (Manufacture of workpieces or articles from metallic powder characterised by the manner) appears on 8,630 US grants and 9,687 published applications in this corpus.
Search patents in B22F- Granted patents
- 8,630
- Published applications
- 9,687
- Assignees
- 3,413
- Inventors
- 18,607
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 62 | 0 |
| 1977 | 71 | 0 |
| 1978 | 74 | 0 |
| 1979 | 37 | 0 |
| 1980 | 42 | 0 |
| 1981 | 58 | 0 |
| 1982 | 42 | 0 |
| 1983 | 50 | 0 |
| 1984 | 59 | 0 |
| 1985 | 75 | 0 |
| 1986 | 77 | 0 |
| 1987 | 75 | 0 |
| 1988 | 96 | 0 |
| 1989 | 110 | 0 |
| 1990 | 133 | 0 |
| 1991 | 115 | 0 |
| 1992 | 103 | 0 |
| 1993 | 79 | 0 |
| 1994 | 128 | 0 |
| 1995 | 97 | 0 |
| 1996 | 94 | 0 |
| 1997 | 123 | 0 |
| 1998 | 127 | 0 |
| 1999 | 152 | 0 |
| 2000 | 136 | 0 |
| 2001 | 159 | 28 |
| 2002 | 136 | 127 |
| 2003 | 126 | 137 |
| 2004 | 103 | 183 |
| 2005 | 70 | 154 |
| 2006 | 94 | 171 |
| 2007 | 81 | 189 |
| 2008 | 76 | 211 |
| 2009 | 95 | 198 |
| 2010 | 118 | 217 |
| 2011 | 105 | 237 |
| 2012 | 129 | 257 |
| 2013 | 133 | 355 |
| 2014 | 172 | 311 |
| 2015 | 223 | 486 |
| 2016 | 255 | 559 |
| 2017 | 297 | 707 |
| 2018 | 364 | 731 |
| 2019 | 461 | 753 |
| 2020 | 557 | 754 |
| 2021 | 536 | 705 |
| 2022 | 511 | 572 |
| 2023 | 506 | 497 |
| 2024 | 509 | 512 |
| 2025 | 387 | 384 |
| 2026 | 212 | 252 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B22F 3/10Sintering only3,195
- B22F 3/12Both compacting and sintering2,372
- B22F 3/24After-treatment of workpieces or articles2,133
- B22F 3/02Compacting only1,092
- B22F 3/22Manufacture of workpieces or articles from metallic powder characterised by the manner920
- B22F 3/20Manufacture of workpieces or articles from metallic powder characterised by the manner376
- B22F 3/004Filling molds with powder360
- B22F 3/003Apparatus306
All 16 subgroupsShow fewer
- B22F 3/115Manufacture of workpieces or articles from metallic powder characterised by the manner293
- B22F 3/18Manufacture of workpieces or articles from metallic powder characterised by the manner193
- B22F 3/17Manufacture of workpieces or articles from metallic powder characterised by the manner147
- B22F 3/002Manufacture of articles essentially made from metallic fibres128
- B22F 3/23Involving a self-propagating high-temperature synthesis or reaction sintering step109
- B22F 3/001Starting from powder comprising reducible metal compounds95
- B22F 3/006Amorphous articles64
- B22F 3/005Loading or unloading powder metal objects34
Recent patents
- Chemical vapor deposition during additive manufacturing6 Oct 2026US 12,753,509 B2General Electric Company
- Method of manufacturing permanent magnets6 Oct 2026US 12,755,879 B2
- Sintered engine part and method of manufacture thereof29 Sep 2026US 12,746,597 B2L. E. Jones Company
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Methods and apparatus for additively manufactured endoskeleton-based transport structures29 Sep 2026US 12,746,706 B2Divergent Technologies, Inc.
- Sintering devices, sintering assemblies, and associated methods8 Oct 2026US 2026/0307146 A1Battelle Energy Alliance, LLC
- Powder metallurgy hot isostatic pressing cost-effective components using metal hydride feedstock8 Oct 2026US 2026/0307147 A1The Boeing Company
- Cutting tool8 Oct 2026US 2026/0308730 A1AB Sandvik Coromant
- Titanium-based laminate structures fabricated using blended elemental powder metallurgy and hot isostatic pressing8 Oct 2026US 2026/0309467 A1
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine8 Oct 2026US 2026/0311916 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Injection molded anvils1,507US 5,308,576 AUnited States Surgical Corporation · 1994
- Three-dimensional printing techniques1,084US 5,204,055 AMassachusetts Institute of Technology · 1993
- Method and apparatus for producing parts by selective sintering887US 4,863,538 ABoard of Regents, The University of Texas System · 1989
- Apparatus and method for creating three-dimensional objects880US 5,121,329 AStratasys, Inc. · 1992
- Open cell tantalum structures for cancellous bone implants and cell and tissue receptors723US 5,282,861 AUltramet · 1994