B22D 17/2272
Sprue channels
Official title: {Sprue channels}
B22D17/2272 (Sprue channels) appears on 89 US grants and 94 published applications in this corpus.
Search patents in B22D- Granted patents
- 89
- Published applications
- 94
- Assignees
- 64
- Inventors
- 193
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 3 | 6 |
| 2004 | 4 | 4 |
| 2005 | 4 | 5 |
| 2006 | 3 | 2 |
| 2007 | 3 | 11 |
| 2008 | 5 | 8 |
| 2009 | 4 | 2 |
| 2010 | 7 | 0 |
| 2011 | 0 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 4 |
| 2014 | 1 | 6 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 5 | 4 |
| 2018 | 3 | 4 |
| 2019 | 0 | 4 |
| 2020 | 5 | 3 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 1 | 4 |
| 2024 | 7 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrasound assisted vertical shot chamber for die casting applications23 Sep 2025US 12,420,334 B2
- Three-plate die casting mold having a sprue system and improved sprue separation, and die casting method22 Oct 2024US 12,121,959 B2Bayerische Motoren Werke Aktiengesellschaft
- Casting die and method of mitigating entrained air in a cast article22 Oct 2024US 12,121,960 B1GM Global Technology Operations LLC
- Ultrasound assisted shot chamber for die casting applications30 Jul 2024US 12,048,962 B2
- Apparatus for creating at least one metal component and method therefor23 Jul 2024US 12,042,852 B2Dynamic Metal Systems R & D GmbH
- Overmoulding method23 Apr 2026US 2026/0108939 A1The Swatch Group Research and Development Ltd
- Information handling system magnesium housing manufacture with a hot runner die cast12 Mar 2026US 2026/0070121 A1Dell Products L. P.
- Die-cast manufacturing method and die-cast manufacturing apparatus, and pressurization means4 Dec 2025US 2025/0367725 A1Direct21 Corporation
- High-quality casting device and method for thick aluminum part5 Jun 2025US 2025/0178079 A1DnK Mobility CO., LTD.
- Ultrasound assisted vertical shot chamber for die casting applications24 Oct 2024US 2024/0351097 A1
Most cited
By later US patents
- Method and apparatus for the injection molding of metal alloys93US 5,040,589 AThe Dow Chemical Company · 1991
- Method and apparatus for manufacturing light metal alloy53US 5,836,372 ATakata Corporation · 1998
- Electrically heated nozzles and nozzle systems41US 4,304,544 AFast Heat Element Mfg. Co., Inc. · 1981
- Thermal shock resistant apparatus for molding thixotropic materials34US 5,983,978 AThixomat, Inc. · 1999
- Electrically heated nozzles and nozzle systems31US 4,795,126 AFast Heat Element Manufacturing Co., Inc. · 1989