B22F 7/00
Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering
Official title: Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting {wherein at least one part is obtained by sintering or compression (application of coating layers by use of metal powders, see C23C)}
B22F7/00 (Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering) appears on 4,144 US grants and 4,984 published applications in this corpus.
Search patents in B22F- Granted patents
- 4,144
- Published applications
- 4,984
- Assignees
- 1,902
- Inventors
- 9,615
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 25 | 0 |
| 1978 | 31 | 0 |
| 1979 | 20 | 0 |
| 1980 | 21 | 0 |
| 1981 | 18 | 0 |
| 1982 | 22 | 0 |
| 1983 | 23 | 0 |
| 1984 | 29 | 0 |
| 1985 | 27 | 0 |
| 1986 | 39 | 0 |
| 1987 | 42 | 0 |
| 1988 | 39 | 0 |
| 1989 | 56 | 0 |
| 1990 | 42 | 0 |
| 1991 | 41 | 0 |
| 1992 | 32 | 0 |
| 1993 | 25 | 0 |
| 1994 | 27 | 0 |
| 1995 | 29 | 0 |
| 1996 | 33 | 0 |
| 1997 | 39 | 0 |
| 1998 | 42 | 0 |
| 1999 | 49 | 0 |
| 2000 | 58 | 0 |
| 2001 | 38 | 14 |
| 2002 | 60 | 49 |
| 2003 | 51 | 60 |
| 2004 | 40 | 90 |
| 2005 | 38 | 66 |
| 2006 | 38 | 71 |
| 2007 | 29 | 94 |
| 2008 | 34 | 81 |
| 2009 | 34 | 117 |
| 2010 | 60 | 142 |
| 2011 | 51 | 108 |
| 2012 | 85 | 149 |
| 2013 | 71 | 179 |
| 2014 | 113 | 162 |
| 2015 | 126 | 244 |
| 2016 | 132 | 284 |
| 2017 | 151 | 333 |
| 2018 | 190 | 373 |
| 2019 | 263 | 357 |
| 2020 | 278 | 397 |
| 2021 | 270 | 360 |
| 2022 | 256 | 335 |
| 2023 | 267 | 286 |
| 2024 | 290 | 292 |
| 2025 | 235 | 205 |
| 2026 | 121 | 136 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B22F 7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering3,034
- B22F 7/02Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering886
- B22F 7/002Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering471
- B22F 7/008Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering254
Recent patents
- Chemical vapor deposition during additive manufacturing6 Oct 2026US 12,753,509 B2General Electric Company
- Electron beam additive manufacturing system and control components15 Sep 2026US 12,734,582 B2Sciaky, Inc.
- Metal coupon with porous stress-relief section and component with same15 Sep 2026US 12,735,986 B2GE Infrastructure Technology LLC
- Fuel cell interconnect alloyed with transition metal element and method of making thereof8 Sep 2026US 12,731,795 B2Bloom Energy Corporation
- Method for manufacturing metal foam25 Aug 2026US 12,715,037 B2LG Chem.Ltd.
- Methods of making rotary acoustic horns8 Oct 2026US 2026/0307337 A13M Innovative Properties Company
- Methods for fabricating articles having different materials through hot isostatic pressing and additive manufacturing, methods for fabricating nuclear fuel assemblies through hot isostatic pressing and additive manufacturing, and related nuclear fuel assemblies1 Oct 2026US 2026/0295669 A1Battelle Energy Alliance, LLC
- Producing Rotationally Symmetric Magnetic Sheets27 Aug 2026US 2026/0249352 A1Siemens Aktiengesellschaft
- A method for controlling and optimising the deposition of functional metal components when using metal powder-polymer matrix flexible films27 Aug 2026US 2026/0249358 A1
- Tool component and method for producing a tool component27 Aug 2026US 2026/0249366 A1Tigra GmbH
Most cited
By later US patents
- Method and apparatus for producing parts by selective sintering887US 4,863,538 ABoard of Regents, The University of Texas System · 1989
- Spinal implant863US 4,714,469 APfizer Hospital Products Group, Inc. · 1987
- Fabricating multi-part assemblies597US 9,815,118 B1Desktop Metal, Inc. · 2017
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Cutting composite formed of cemented carbide substrate and diamond layer481US 5,120,327 ADiamant Boart-Stratabit (USA) Inc. · 1992