C23C 10/52
More than one element being diffused in one step
Official title: more than one element being diffused in one step
C23C10/52 (More than one element being diffused in one step) appears on 144 US grants and 107 published applications in this corpus.
Search patents in C23C- Granted patents
- 144
- Published applications
- 107
- Assignees
- 90
- Inventors
- 289
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 2 |
| 2003 | 9 | 5 |
| 2004 | 2 | 2 |
| 2005 | 1 | 4 |
| 2006 | 4 | 6 |
| 2007 | 1 | 4 |
| 2008 | 3 | 8 |
| 2009 | 3 | 10 |
| 2010 | 6 | 11 |
| 2011 | 2 | 6 |
| 2012 | 4 | 2 |
| 2013 | 6 | 3 |
| 2014 | 5 | 3 |
| 2015 | 3 | 7 |
| 2016 | 2 | 3 |
| 2017 | 3 | 5 |
| 2018 | 6 | 4 |
| 2019 | 0 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 2 |
| 2025 | 5 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbine airfoil coating11 Nov 2025US 12,467,372 B2Rtx Corporation
- Aluminum-chromium diffusion coating1 Jul 2025US 12,344,926 B2Rtx Corporation
- Method for converting an existing industrial unit to produce hydrogen from ammonia17 Jun 2025US 12,331,388 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Surface-treated steel sheet and method for manufacturing the same8 Apr 2025US 12,270,109 B2Toyo Kohan Co.Ltd
- Coated part comprising a protective coating based on MAX phases14 Jan 2025US 12,195,857 B2Safran
- Turbine Airfoil Coating5 Mar 2026US 2026/0063039 A1Rtx Corporation
- Turbine Airfoil Coating7 Aug 2025US 2025/0250905 A1Rtx Corporation
- Turbine Airfoil Coating19 Dec 2024US 2024/0418091 A1Rtx Corporation
- Method for converting an existing industrial unit to produce hydrogen from ammonia29 Feb 2024US 2024/0068081 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Processing method for improving corrosion resistance of iron and steel materials in lead or lead-bismuth7 Sep 2023US 2023/0282377 A1Xi' An Jiaotong University
Most cited
By later US patents
- Process for producing elevated temperature corrosion resistant metal articles61US 4,145,481 AHowmet Turbine Components Corporation · 1979
- Method of forming aluminide coatings on nickel-, cobalt-, and iron-base alloys57US 3,979,273 AUnited Technologies Corporation · 1976
- Aluminide-silicide coatings coated products44US 5,795,659 AA & A International, LLC · 1998
- Corrosion, erosion and wear resistant alloy structures and method therefor39US 4,656,099 A1987
- Coated article and method and material of coating34US 3,961,098 AGeneral Electric Company · 1976