B22F 2998/00
Supplementary information concerning processes or compositions relating to powder metallurgy
B22F2998/00 (Supplementary information concerning processes or compositions relating to powder metallurgy) appears on 7,943 US grants and 9,403 published applications in this corpus.
Search patents in B22F- Granted patents
- 7,943
- Published applications
- 9,403
- Assignees
- 3,296
- Inventors
- 18,193
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 29 | 0 |
| 1978 | 21 | 0 |
| 1979 | 15 | 0 |
| 1980 | 17 | 0 |
| 1981 | 30 | 0 |
| 1982 | 12 | 0 |
| 1983 | 17 | 0 |
| 1984 | 38 | 0 |
| 1985 | 30 | 0 |
| 1986 | 39 | 0 |
| 1987 | 50 | 0 |
| 1988 | 49 | 0 |
| 1989 | 52 | 0 |
| 1990 | 77 | 0 |
| 1991 | 68 | 0 |
| 1992 | 63 | 0 |
| 1993 | 54 | 0 |
| 1994 | 82 | 0 |
| 1995 | 90 | 0 |
| 1996 | 89 | 0 |
| 1997 | 111 | 0 |
| 1998 | 135 | 0 |
| 1999 | 196 | 0 |
| 2000 | 186 | 0 |
| 2001 | 211 | 59 |
| 2002 | 210 | 228 |
| 2003 | 217 | 246 |
| 2004 | 201 | 317 |
| 2005 | 145 | 279 |
| 2006 | 148 | 318 |
| 2007 | 158 | 385 |
| 2008 | 129 | 352 |
| 2009 | 189 | 333 |
| 2010 | 248 | 413 |
| 2011 | 211 | 334 |
| 2012 | 230 | 315 |
| 2013 | 212 | 202 |
| 2014 | 192 | 214 |
| 2015 | 181 | 276 |
| 2016 | 183 | 409 |
| 2017 | 224 | 640 |
| 2018 | 250 | 522 |
| 2019 | 363 | 515 |
| 2020 | 397 | 557 |
| 2021 | 385 | 566 |
| 2022 | 402 | 497 |
| 2023 | 394 | 453 |
| 2024 | 385 | 467 |
| 2025 | 314 | 291 |
| 2026 | 183 | 215 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite powder with iron based particles coated with graphene material6 Oct 2026US 12,752,342 B2GraphMaTech AB
- Method of manufacturing permanent magnets6 Oct 2026US 12,755,879 B2
- Iron-chromium-cobalt alloy magnet and method for producing same29 Sep 2026US 12,749,602 B2Proterial, Ltd.
- Copper particles and method for manufacturing same22 Sep 2026US 12,741,312 B2Mitsui Kinzoku Company, Limited
- 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
- Durable metal-mxene composites and methods of making the same8 Oct 2026US 2026/0307145 A1The University of Chicago
- Powder metallurgy hot isostatic pressing cost-effective components using metal hydride feedstock8 Oct 2026US 2026/0307147 A1The Boeing Company
- Additive manufacturing of surfaces with anti-corrosion and/or anti-fouling characteristics8 Oct 2026US 2026/0307292 A1Chevron U.S.A.Inc.
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- 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
- Three-dimensional printing techniques723US 5,387,380 AMassachusetts Institute of Technology · 1995