C23C 8/60
Solid state diffusion of only non-metal elements into metallic material surfaces: using
Official title: using solids, e.g. powders, pastes (using liquid suspensions of solids C23C8/40)
C23C8/60 (Solid state diffusion of only non-metal elements into metallic material surfaces: using) appears on 161 US grants and 166 published applications in this corpus.
Search patents in C23C- Granted patents
- 161
- Published applications
- 166
- Assignees
- 162
- Inventors
- 477
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 6 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 5 |
| 2011 | 2 | 6 |
| 2012 | 6 | 10 |
| 2013 | 1 | 12 |
| 2014 | 9 | 10 |
| 2015 | 8 | 8 |
| 2016 | 6 | 9 |
| 2017 | 7 | 10 |
| 2018 | 4 | 11 |
| 2019 | 7 | 8 |
| 2020 | 11 | 12 |
| 2021 | 12 | 11 |
| 2022 | 7 | 7 |
| 2023 | 5 | 9 |
| 2024 | 6 | 5 |
| 2025 | 4 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-coking iron spinel surface2 Jun 2026US 12,644,173 B2NOVA Chemicals (International) S.A.
- Tungsten wire, tungsten wire processing method using the same, and electrolyzed wire21 Apr 2026US 12,606,890 B2Niterra Materials Co., Ltd.
- High carbide cast austenitic corrosion resistant alloys11 Nov 2025US 12,467,122 B2Schlumberger Technology Corporation
- Boronized corrosion resistant alloy component for high pressure and high temperature oilfield applications11 Nov 2025US 12,467,123 B2Beijing Huamei, Inc.
- Braking band of a disk for disk brake21 Oct 2025US 12,449,011 B2Brembo S.p.A.
- Oxidized and boronized layers for corrosion resistance4 Jun 2026US 2026/0152838 A1GM Global Technology Operations LLC
- High-temperature resistant device and method for fabricating the same14 May 2026US 2026/0132497 A1Industrial Technology Research Institute
- Process for creating refractory carbide parts by carburizing metal2 Apr 2026US 2026/0092351 A1
- Carburizer and carburization method using the same12 Feb 2026US 2026/0043120 A1Nippon Steel Corporation
- Laser-assisted reagent activation and property modification of self-passivating metals25 Sep 2025US 2025/0297351 A1Swagelok Company
Most cited
By later US patents
- Carbon-coated aluminum and method for producing same54US 7,327,556 B2Toyo Aluminum Kabushiki Kaisha · 2008
- Titanium boride coatings on titanium surfaces and associated methods39US 7,264,682 B2University of Utah Research Foundation · 2007
- Boronized wear-resistant materials and methods thereof35US 6,478,887 B1Smith International, Inc. · 2002
- Bond coats for turbine components and method of applying the same32US 6,060,174 ASiemens Westinghouse Power Corporation · 2000
- Methods and compositions for boronizing metallic surfaces31US 4,555,326 ABetz Laboratories, Inc. · 1985