C23C 8/68
Boronising
C23C8/68 (Boronising) appears on 63 US grants and 44 published applications in this corpus.
Search patents in C23C- Granted patents
- 63
- Published applications
- 44
- Assignees
- 55
- Inventors
- 130
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 4 |
| 2014 | 5 | 1 |
| 2015 | 2 | 4 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 4 |
| 2020 | 5 | 6 |
| 2021 | 5 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Guiding member, mechanical system comprising such a guiding member, and method for producing such a guiding member24 Sep 2024US 12,098,744 B2Hydromecanique Et Frottement
- Integrated surface treatments and coatings for artificial lift pump components30 May 2023US 11,661,647 B2Schlumberger Technology Corporation
- Hybrid process for enhanced surface hardening8 Nov 2022US 11,491,541 B2Apollo Machine & Welding Ltd.
- Oxidized and boronized layers for corrosion resistance4 Jun 2026US 2026/0152838 A1GM Global Technology Operations LLC
- Boronized corrosion resistant alloy component for high pressure and high temperature oilfield applications10 Apr 2025US 2025/0115986 A1Beijing Huamei, Inc.
- High carbide cast austenitic corrosion resistant alloys2 Nov 2023US 2023/0349275 A1Schlumberger Technology Corporation
- Guiding Member, Mechanical System Comprising Such A Guiding Member, And Method For Producing Such A Guiding Member14 Jul 2022US 2022/0220999 A1Hydromecanique Et Frottement
- Cutting blade for an agricultural implement, and method of manufacturing the same29 Apr 2021US 2021/0123127 A1Deere & Company
Most cited
By later US patents
- 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
- Boron diffusion coating process30US 3,935,034 AHowmet Corporation · 1976