C23C 10/40
Of ferrous surfaces
Official title: of ferrous surfaces
C23C10/40 (Of ferrous surfaces) appears on 35 US grants and 10 published applications in this corpus.
Search patents in C23C- Granted patents
- 35
- Published applications
- 10
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Coated steel substrate, a method for the manufacture of a coated steel substrate, a method for manufacture of a steel product and a steel product15 Jul 2025US 12,359,293 B2ArcelorMittal
- Coating for refractory alloy part3 Jan 2023US 11,542,586 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Metal porous material, fuel cell, and method of producing metal porous material6 Sep 2022US 11,434,547 B2Sumitomo Electric Toyama Co., Ltd.
- Method for preparing stainless reinforcing steel bar resistant to corrosion of chloride ions7 Aug 2018US 10,041,164 B2University of Science and Technology Beijing
- Composition and method for diffusion alloying of ferrocarbon workpiece14 Jul 2015US 9,080,235 B2Jamar International Corporation
- Coated steel substrate, a method for the manufacture of a coated steel substrate, a method for manufacture of a steel product and a steel product25 Sep 2025US 2025/0297348 A1ArcelorMittal
- Superalloy aircraft part comprising a cooling channel10 Nov 2022US 2022/0356555 A1Safran
- A coated steel substrate, a method for the manufacture of a coated steel substrate, a method for manufacture of a steel product and a steel product19 May 2022US 2022/0154326 A1ArcelorMittal
- Coating for refractory alloy part23 Sep 2021US 2021/0292882 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Metal porous material, fuel cell, and method of producing metal porous material4 Mar 2021US 2021/0062300 A1Sumitomo Electric Toyama Co., Ltd.
Most cited
By later US patents
- Pyrophoric foil and article, and pyrophoric technique43US 4,435,481 AAlloy Surfaces Company, Inc. · 1984
- Stripping of diffusion treated metals30US 4,327,134 AAlloy Surfaces Company, Inc. · 1982
- Method for refurbishing used jet engine hot section airfoils28US 4,965,095 AAlloy Surfaces Company, Inc. · 1990
- Diffusion treatment of metal26US 4,041,196 AAlloy Surfaces Company, Inc. · 1977
- Modified diffusion coating of the interior of a steam boiler tube25US 4,208,453 AAlloy Surfaces Company, Inc. · 1980