C23F 1/28
For etching iron group metals
Official title: for etching iron group metals
C23F1/28 (For etching iron group metals) appears on 310 US grants and 363 published applications in this corpus.
Search patents in C23F- Granted patents
- 310
- Published applications
- 363
- Assignees
- 195
- Inventors
- 788
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 6 |
| 2003 | 5 | 6 |
| 2004 | 5 | 9 |
| 2005 | 3 | 4 |
| 2006 | 4 | 8 |
| 2007 | 6 | 6 |
| 2008 | 3 | 10 |
| 2009 | 2 | 12 |
| 2010 | 7 | 17 |
| 2011 | 10 | 17 |
| 2012 | 6 | 14 |
| 2013 | 12 | 6 |
| 2014 | 12 | 12 |
| 2015 | 10 | 23 |
| 2016 | 9 | 19 |
| 2017 | 7 | 10 |
| 2018 | 17 | 23 |
| 2019 | 21 | 15 |
| 2020 | 13 | 25 |
| 2021 | 19 | 25 |
| 2022 | 18 | 25 |
| 2023 | 20 | 18 |
| 2024 | 20 | 17 |
| 2025 | 15 | 13 |
| 2026 | 7 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for forming robust hydrophobic surfaces on steel workpiece6 Oct 2026US 12,753,490 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Composition and method for treating substrate28 Jul 2026US 12,695,915 B2FUJIFILM Corporation
- Etchant composition7 Apr 2026US 12,595,568 B2Kao Corporation
- Aqueous composition, stainless steel surface roughening method using same, and method for manufacturing roughened stainless steel31 Mar 2026US 12,590,373 B2Mitsubishi Gas Chemical Company, Inc.
- Leached superabrasive elements, subterranian tools with leached superabrasive elements, and related systems and methods10 Feb 2026US 12,544,878 B2US Synthetic Corporation
- Superabrasive compact surface treatments, coatings, reclaiming techniques, and related devices, methods, and systems6 Aug 2026US 2026/0225964 A1US Synthetic Corporation
- A system for use in processing a plurality of bodies of polycrystalline diamond material30 Jul 2026US 2026/0216617 A1Element Six (UK) Limited
- Method of processing a body of polycrystalline diamond material30 Jul 2026US 2026/0217619 A1Element Six (UK) Limited
- A method for processing a body of polycrystalline diamond material30 Jul 2026US 2026/0218385 A1Element Six (UK) Limited
- Method of processing a plurality of bodies of polycrystalline diamond material30 Jul 2026US 2026/0218386 A1Element Six (UK) Limited
Most cited
By later US patents
- Temperature resistant abrasive compact and method for making same436US 4,224,380 AGeneral Electric Company · 1980
- Thermally stable ultra-hard material compact construction198US 7,377,341 B2Smith International, Inc. · 2008
- Temperature resistant abrasive compact and method for making same185US 4,288,248 AGeneral Electric Company · 1981
- Implants with textured surface and methods for producing the same129US 7,368,065 B2DePuy Products, Inc. · 2008
- Implants with textured surface and methods for producing the same65US 7,901,462 B2DePuy Products, Inc. · 2011