B22D 27/18
Measures for using chemical processes for influencing the surface composition of castings
Official title: Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
B22D27/18 (Measures for using chemical processes for influencing the surface composition of castings) appears on 27 US grants and 29 published applications in this corpus.
Search patents in B22D- Granted patents
- 27
- Published applications
- 29
- Assignees
- 16
- Inventors
- 47
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 5 |
| 2003 | 0 | 1 |
| 2004 | 7 | 6 |
| 2005 | 4 | 2 |
| 2006 | 3 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Protection against oxidation or corrosion of a hollow part made of a superalloy28 Oct 2025US 12,454,891 B2Safran
- Semiconductor-mounting heat dissipation base plate and production method therefor1 Nov 2022US 11,484,936 B2Mitsubishi Electric Corporation
- Semiconductor-mounting heat dissipation base plate and production method therefor26 Jan 2021US 10,898,946 B2Mitsubishi Electric Corporation
- Surface coating for metal matrix composites3 Sep 2019US 10,399,144 B2Halliburton Energy Services.Inc.
- Fluorescent moiety tagged polymers for use in monitoring cleanliness of mold surfaces25 Jun 2026US 2026/0176771 A1Chemtreat, Inc.
- Portal Axle for a Rail Vehicle and Method for Manufacturing a Portal Axle of This Type27 Feb 2025US 2025/0065671 A1Bochumer Verein Verkehrstechnik GmbH
- Protection against oxidation or corrosion of a hollow part made of a superalloy28 Sep 2023US 2023/0304409 A1Safran
- Semiconductor-mounting heat dissipation base plate and production method therefor29 Apr 2021US 2021/0121943 A1Mitsubishi Electric Corporation
- Semiconductor-mounting heat dissipation base plate and production method therefor18 Apr 2019US 2019/0111467 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Deoxidation casting, aluminium casting and casting machine6US 6,722,417 B2Nissin Kogyo Co., Ltd. · 2004
- Method of and means for obtaining white cast iron5US 4,003,425 ABritish Cast Iron Research Assoc. · 1977
- Method of casting and casting machine5US 6,745,816 B2Nissin Kogyo Co., Ltd. · 2004
- Casting method and casting apparatus4US 6,848,496 B2Nissin Kogyo Co., Ltd. · 2005
- Casting method and casting apparatus3US 6,745,817 B2Nissin Kogyo Co., Ltd. · 2004