C22C 33/04
Making ferrous alloys: by melting
Official title: by melting
C22C33/04 (Making ferrous alloys: by melting) appears on 239 US grants and 451 published applications in this corpus.
Search patents in C22C- Granted patents
- 239
- Published applications
- 451
- Assignees
- 266
- Inventors
- 1,347
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 4 | 3 |
| 2011 | 1 | 7 |
| 2012 | 4 | 6 |
| 2013 | 6 | 10 |
| 2014 | 3 | 9 |
| 2015 | 3 | 18 |
| 2016 | 5 | 31 |
| 2017 | 6 | 36 |
| 2018 | 16 | 15 |
| 2019 | 33 | 26 |
| 2020 | 20 | 24 |
| 2021 | 14 | 15 |
| 2022 | 17 | 30 |
| 2023 | 14 | 68 |
| 2024 | 21 | 57 |
| 2025 | 26 | 40 |
| 2026 | 26 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wire rod for 5000 MPa-grade diamond wire and production method therefor15 Sep 2026US 12,735,763 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Alloy for high-stress gouging abrasion11 Aug 2026US 12,703,903 B2Weir Minerals Australia Ltd.
- Undercooling solidification method for preparing amorphous or nanocrystalline soft magnetic alloy with high Fe content4 Aug 2026US 12,700,527 B2Zhejiang University
- Method for manufacturing magnetic heating element particles, conductive paste, and method for forming conductive film using same28 Jul 2026US 12,695,011 B2Cooperation Foundation Hanyang University
- Lightweight brake disc with maximized heat dissipation performance and manufacturing method thereof30 Jun 2026US 12,669,156 B2Pukyong National University Industry-University Cooperation Foundation
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine8 Oct 2026US 2026/0311916 A1Mitsubishi Electric Corporation
- Medium manganese powder for additive manufacturing, printed part and method of manufacturing the same1 Oct 2026US 2026/0295677 A1
- Rare earth sintered magnet, method for producing rare earth sintered magnet, rotor, and rotary machine1 Oct 2026US 2026/0302010 A1Mitsubishi Electric Corporation
- Production and preparation method of carburized gear shaft bars by means of converter process24 Sep 2026US 2026/0286458 A1Bengang Steel Plates Co., Ltd.
- Acid-resistant pipeline steel and manufacturing method therefor17 Sep 2026US 2026/0275446 A1Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co., Ltd.
Most cited
By later US patents
- Methods of forming steel46US 6,258,185 B1Bechtel BWXT Idaho, LLC · 2001
- Oxidation resistant high-entropy alloys33US 10,190,197 B2Trustees of Dartmouth College · 2019
- High entropy alloy having TWIP/TRIP property and manufacturing method for the same33US 10,364,487 B2Seoul National University R&Db Foundation · 2019
- Method of forming alloy particulates having controlled submicron crystallite size distributions21US 4,867,785 AOvonic Synthetic Materials Company, Inc. · 1989
- Producing void-free metal alloy powders by melting as well as atomization under nitrogen ambient17US 5,114,470 AThe United States of America as represented by the Secretary of Commerce · 1992