B22D 27/00
Treating the metal in the mould while it is molten or ductile
Official title: Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence); {Pressure or vacuum casting (B22D17/00 takes precedence)}
B22D27/00 (Treating the metal in the mould while it is molten or ductile) appears on 1,211 US grants and 1,081 published applications in this corpus.
Search patents in B22D- Granted patents
- 1,211
- Published applications
- 1,081
- Assignees
- 668
- Inventors
- 2,665
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 23 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 13 | 0 |
| 1981 | 11 | 0 |
| 1982 | 1 | 0 |
| 1983 | 15 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 25 | 0 |
| 1987 | 20 | 0 |
| 1988 | 26 | 0 |
| 1989 | 21 | 0 |
| 1990 | 16 | 0 |
| 1991 | 22 | 0 |
| 1992 | 16 | 0 |
| 1993 | 23 | 0 |
| 1994 | 24 | 0 |
| 1995 | 11 | 0 |
| 1996 | 19 | 0 |
| 1997 | 12 | 0 |
| 1998 | 25 | 0 |
| 1999 | 17 | 0 |
| 2000 | 11 | 0 |
| 2001 | 23 | 9 |
| 2002 | 24 | 24 |
| 2003 | 20 | 21 |
| 2004 | 28 | 31 |
| 2005 | 21 | 28 |
| 2006 | 15 | 25 |
| 2007 | 17 | 43 |
| 2008 | 10 | 23 |
| 2009 | 10 | 37 |
| 2010 | 11 | 24 |
| 2011 | 17 | 38 |
| 2012 | 24 | 44 |
| 2013 | 19 | 44 |
| 2014 | 30 | 58 |
| 2015 | 34 | 78 |
| 2016 | 50 | 115 |
| 2017 | 55 | 80 |
| 2018 | 76 | 74 |
| 2019 | 66 | 73 |
| 2020 | 64 | 51 |
| 2021 | 51 | 34 |
| 2022 | 35 | 54 |
| 2023 | 35 | 24 |
| 2024 | 39 | 25 |
| 2025 | 13 | 13 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B22D 27/04Influencing the temperature of the metal624
- B22D 27/09Treating the metal in the mould while it is molten or ductile171
- B22D 27/02Use of electric or magnetic effects144
- B22D 27/15Treating the metal in the mould while it is molten or ductile143
- B22D 27/20Measures not previously mentioned for influencing the grain structure or texture105
- B22D 27/08Shaking, vibrating, or turning of moulds90
- B22D 27/003Treating the metal in the mould while it is molten or ductile81
- B22D 27/18Measures for using chemical processes for influencing the surface composition of castings27
All 9 subgroupsShow fewer
Recent patents
- Formation of metal articles using localized sonication6 Oct 2026US 12,752,338 B2Battelle Memorial Institute
- Method for enhancing creep age forming process of a metallic component19 May 2026US 12,629,748 B2
- Multi indirect injection solidification technology7 Apr 2026US 12,594,597 B2Alotech Limited R & D, LLC
- Device and method for producing an investment casting component31 Mar 2026US 12,589,432 B2ALD Vacuum Technologies GmbH
- Portal axle for a rail vehicle and method for manufacturing a portal axle of this type24 Mar 2026US 12,583,256 B2Bochumer Verein Verkehrstechnik GmbH
- Pulse magnetic field treatment method for eliminating residual stress in copper alloy foils20 Aug 2026US 2026/0242917 A1Taiyuan University of Technology
- Multi indirect injection solidification technology30 Jul 2026US 2026/0216785 A1Alotech Limited R & D, LLC
- Compressible inserts for ingate design in high-pressure die casting9 Jul 2026US 2026/0192355 A1GM Global Technology Operations LLC
- Fluorescent moiety tagged polymers for use in monitoring cleanliness of mold surfaces25 Jun 2026US 2026/0176771 A1Chemtreat, Inc.
- Additive steel alloys for contoured cooling inserts, and methods thereof11 Jun 2026US 2026/0158546 A1Tesla, Inc.
Most cited
By later US patents
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby119US 10,151,363 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby119US 9,933,031 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby118US 10,100,890 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby118US 10,107,344 B2Ats Mer, LLC · 2018
- Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby118US 10,113,600 B2Ats Mer, LLC · 2018