C23C 8/58
More than one element being applied in more than one step
Official title: more than one element being applied in more than one step
C23C8/58 (More than one element being applied in more than one step) appears on 22 US grants and 24 published applications in this corpus.
Search patents in C23C- Granted patents
- 22
- Published applications
- 24
- Assignees
- 20
- Inventors
- 58
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Carbo-nitriding process for martensitic stainless steel and stainless steel article having improved corrosion resistance6 Jun 2023US 11,667,999 B2Aktiebolaget Skf
- Thermoelectric alloy, method for producing the same and thermoelectric alloy composite13 Apr 2021US 10,975,456 B2National Sun Yat-Sen University
- Coating system for tubular gripping components29 Dec 2020US 10,876,196 B2Frank's International, LLC
- Method for surface treatment of a steel component by nitriding or nitrocarburising, oxidising and then impregnating15 Sep 2020US 10,774,414 B2H.E.F.
- System and method for surface hardening of refractory metals23 Jun 2020US 10,689,745 B2IAP Research, Inc.
- Method for treating a part made of iron alloy for improving the anti-corrosion properties thereof29 May 2025US 2025/0171906 A1Hydromecanique Et Frottement
- Method for treating waste waters and residue sludge by means of carbonation in a chemical installation for nitridation in a molten salt bath15 May 2025US 2025/0154033 A1Hydromecanique Et Frottement
- Method for treating waste waters and residue sludge by means of carbonation and decarbonation in a chemical installation for nitridation in a molten salt bath17 Apr 2025US 2025/0122105 A1Hydromecanique Et Frottement
- Insulation film manufacturing method of semiconductor process27 Mar 2025US 2025/0105003 A1
- Thermoelectric alloy, method for producing the same and thermoelectric alloy composite23 Apr 2020US 2020/0123637 A1National Sun Yat-Sen University
Most cited
By later US patents
- Method of maintaining at very low values the content of cyanide in salt baths containing cyanates10US 4,006,043 ACentre Stephanois de Recherches Mecaniques Hydromecanique et Frottement · 1977
- Salt bath ferritic nitrocarburizing of brake rotors7US 8,287,667 B2GM Global Technology Operations LLC · 2012
- Piston ring with sulphonitriding treatment6US 7,833,636 B2Mahle International GmbH · 2010
- Friction material and methods of making and using the same6US 9,581,211 B2GM Global Technology Operations LLC · 2017
- Extreme duty machine gun barrel4US 8,333,029 B12012