C23G 1/08
Iron or steel
C23G1/08 (Iron or steel) appears on 425 US grants and 500 published applications in this corpus.
Search patents in C23G- Granted patents
- 425
- Published applications
- 500
- Assignees
- 251
- Inventors
- 1,208
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 12 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 2 |
| 2002 | 9 | 11 |
| 2003 | 5 | 11 |
| 2004 | 7 | 9 |
| 2005 | 5 | 10 |
| 2006 | 6 | 9 |
| 2007 | 6 | 8 |
| 2008 | 2 | 5 |
| 2009 | 2 | 11 |
| 2010 | 9 | 13 |
| 2011 | 5 | 14 |
| 2012 | 8 | 9 |
| 2013 | 6 | 14 |
| 2014 | 12 | 12 |
| 2015 | 7 | 15 |
| 2016 | 15 | 15 |
| 2017 | 6 | 30 |
| 2018 | 11 | 36 |
| 2019 | 18 | 23 |
| 2020 | 14 | 32 |
| 2021 | 27 | 21 |
| 2022 | 26 | 48 |
| 2023 | 20 | 51 |
| 2024 | 31 | 34 |
| 2025 | 41 | 32 |
| 2026 | 24 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steel sheet with excellent phosphatability and manufacturing method therefor6 Oct 2026US 12,753,458 B2Posco
- Stainless steel having excellent surface electrical conductivity for fuel cell separator and manufacturing method therefor4 Aug 2026US 12,700,597 B2Posco
- Steel sheet with excellent surface quality, and manufacturing method therefor14 Jul 2026US 12,680,142 B2Posco
- Method for producing grain-oriented electrical steel sheet14 Jul 2026US 12,680,149 B2Jfe Steel Corporation
- High-carbon steel sheet having good surface quality and manufacturing method therefor7 Jul 2026US 12,674,220 B2Posco
- High-strength steel sheet and manufacturing method therefor27 Aug 2026US 2026/0250811 A1Jfe Steel Corporation
- High-strength steel sheet and method for manufacturing same27 Aug 2026US 2026/0250812 A1Jfe Steel Corporation
- Steel sheet, member, and part, and methods of producing same27 Aug 2026US 2026/0250813 A1Jfe Steel Corporation
- Non-oriented electrical steel plate and manufacturing method therefor20 Aug 2026US 2026/0242904 A1Baoshan Iron & Steel Co., Ltd.
- Steel sheet, member, and methods for producing the same20 Aug 2026US 2026/0242907 A1Jfe Steel Corporation
Most cited
By later US patents
- Method for removing iron sulfide scale from metal surfaces62US 4,381,950 AHalliburton Company · 1983
- Process for direct gold plating of stainless steel51US 4,422,906 A1983
- Methods for cleaning materials45US 4,589,925 AUnion Oil Company of California · 1986
- Methods for chemically reducing nitrogen oxides34US 4,626,417 AUnion Oil Company of California · 1986
- Acidic cleaning compositions30US 5,912,219 AThe Procter & Gamble Company · 1999