C04B 2237/123
Based on iron group metals
Official title: based on iron group metals, e.g. steel
C04B2237/123 (Based on iron group metals) appears on 369 US grants and 238 published applications in this corpus.
Search patents in C04B- Granted patents
- 369
- Published applications
- 238
- Assignees
- 193
- Inventors
- 784
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 15 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 14 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 5 |
| 2002 | 12 | 12 |
| 2003 | 13 | 9 |
| 2004 | 7 | 10 |
| 2005 | 4 | 8 |
| 2006 | 3 | 5 |
| 2007 | 4 | 5 |
| 2008 | 4 | 8 |
| 2009 | 2 | 6 |
| 2010 | 8 | 17 |
| 2011 | 3 | 6 |
| 2012 | 9 | 27 |
| 2013 | 9 | 11 |
| 2014 | 16 | 15 |
| 2015 | 8 | 9 |
| 2016 | 7 | 22 |
| 2017 | 9 | 11 |
| 2018 | 17 | 5 |
| 2019 | 6 | 12 |
| 2020 | 6 | 3 |
| 2021 | 4 | 6 |
| 2022 | 5 | 8 |
| 2023 | 6 | 7 |
| 2024 | 7 | 7 |
| 2025 | 6 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting tool7 Apr 2026US 12,594,599 B2AB Sandvik Coromant
- Multilayered capacitor and manufacturing method thereof3 Feb 2026US 12,542,240 B2Samsung Electro-Mechanics Co., Ltd.
- Container and method for closing an opening of container21 Oct 2025US 12,448,173 B2Kabushiki Kaisha Toshiba
- Nickel-carbon and nickel-cobalt-carbon brazes and brazing processes for joining ceramics and metals and semiconductor processing and industrial equipment using same26 Aug 2025US 12,397,379 B2Watlow Electric Manufacturing Company
- Honeycomb structure, exhaust gas purification catalyst, and exhaust gas purification system25 Mar 2025US 12,257,574 B2NGK Insulators, Ltd.
- Ceramic substrate, ceramic circuit board, semiconductor device, method for producing slurry, and method for applying release agent1 Jan 2026US 2026/0001819 A1Niterra Materials Co., Ltd.
- Copper/ceramic bonded body and insulated circuit board27 Nov 2025US 2025/0365859 A1Mitsubishi Materials Corporation
- Ceramic material, powder, and layer system comprising the ceramic material8 May 2025US 2025/0145536 A1Siemens Energy Global GmbH & Co. KG
- Semiconductor processing equipment with high temperature resistant nickel alloy joints and methods for making same13 Feb 2025US 2025/0050439 A1Watlow Electric Manufacturing Company
- Cutting tool19 Sep 2024US 2024/0307960 A1AB Sandvik Coromant
Most cited
By later US patents
- Compact of boron-doped diamond and method for making same385US 4,268,276 AGeneral Electric Company · 1981
- Multilayer coated abrasive element for bonding to a backing162US 5,049,164 ANorton Company · 1991
- Thermally stable diamond abrasive compact body157US 4,940,180 A1990
- Composite materials156US 4,055,451 A1977
- Brazed thermally-stable polycrystalline diamond compact workpieces and their fabrication143US 4,899,922 AGeneral Electric Company · 1990