C22C 33/10
Including procedures for adding magnesium
Official title: including procedures for adding magnesium
C22C33/10 (Including procedures for adding magnesium) appears on 50 US grants and 36 published applications in this corpus.
Search patents in C22C- Granted patents
- 50
- Published applications
- 36
- Assignees
- 34
- Inventors
- 109
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 5 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 4 |
| 2020 | 2 | 3 |
| 2021 | 0 | 0 |
| 2022 | 2 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spheroidal graphite cast iron, cast article and automobile structure part made thereof, and method for producing spheroidal graphite cast iron article13 Jan 2026US 12,522,901 B2Proterial, Ltd.
- Vermicular cast iron alloy, combustion engine block and head5 Aug 2025US 12,378,646 B2Tupy S. A.
- Ferritic spheroidal graphite cast iron, differential case, and differential device8 Apr 2025US 12,270,092 B2Aisin Takaoka Co., Ltd.
- Biodegradable iron-containing compositions, methods of preparing and applications therefor24 Dec 2024US 12,171,912 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Method for producing an improved ductile iron alloy with pearlitic matrix20 Aug 2024US 12,065,723 B2Verdeloong Enterprises Pty. Ltd.
- High mechanical strength and high thermal conductivity vermicular cast iron alloy, high mechanical strength and high thermal conductivity vermicular cast iron alloy manufacturing process, and internal combustion engine part15 Jan 2026US 2026/0015698 A1Tupy S. A.
- Biodegradable iron-containing compositions, methods of preparing and applications therefor20 Mar 2025US 2025/0090731 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Spheroidal Graphite Cast Iron, Method for Manufacturing Spheroidal Graphite Cast Iron, and Spheroidizing Treatment Agent23 May 2024US 2024/0167126 A1Proterial, Ltd.
- Spheroidal graphite cast iron, cast article and automobile structure part made thereof, and method for producing spheroidal graphite cast iron article7 Dec 2023US 2023/0392237 A1Proterial, Ltd.
- Biodegradable iron-containing compositions, methods of preparing and applications therefor6 Jul 2023US 2023/0211053 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
Most cited
By later US patents
- Process for production of semisolidified slurry of iron-base alloy and process for production of cast iron castings by using a semisolidified slurry24US 8,486,329 B2Kogi Corporation · 2013
- Method of introducing powdered reagents into molten metals and apparatus for effecting same18US 4,298,192 A1981
- Method of making CG iron16US 4,596,606 AFord Motor Company · 1986
- Cast iron14US 4,086,086 ABritish Cast Iron Research Association · 1978
- Process for the production of ferro-magnesium and the like11US 4,147,533 A1979