C23C 4/08
Containing only metal elements
Official title: containing only metal elements (C23C4/073 takes precedence)
C23C4/08 (Containing only metal elements) appears on 574 US grants and 761 published applications in this corpus.
Search patents in C23C- Granted patents
- 574
- Published applications
- 761
- Assignees
- 495
- Inventors
- 2,036
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 3 |
| 2002 | 6 | 8 |
| 2003 | 10 | 11 |
| 2004 | 7 | 11 |
| 2005 | 7 | 14 |
| 2006 | 5 | 21 |
| 2007 | 8 | 14 |
| 2008 | 9 | 17 |
| 2009 | 5 | 23 |
| 2010 | 8 | 33 |
| 2011 | 7 | 30 |
| 2012 | 10 | 21 |
| 2013 | 16 | 24 |
| 2014 | 15 | 41 |
| 2015 | 20 | 60 |
| 2016 | 19 | 45 |
| 2017 | 30 | 59 |
| 2018 | 33 | 41 |
| 2019 | 32 | 45 |
| 2020 | 40 | 40 |
| 2021 | 34 | 47 |
| 2022 | 26 | 35 |
| 2023 | 27 | 33 |
| 2024 | 29 | 40 |
| 2025 | 25 | 22 |
| 2026 | 10 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fully-automatic aluminum thermal-spraying corrosion prevention production line based on robots and visual recognition29 Sep 2026US 12,746,631 B2Guizhou Power Grid Company Limited
- High entropy alloy repair of nickel and cobalt superalloys14 Jul 2026US 12,680,496 B2Concordia University
- Deposition of coatings on manufactured products using real-time powder feed rate control16 Jun 2026US 12,655,513 B2Kennametal Inc.
- Anti-cavitation damping composite metal structure for flow passage component2 Jun 2026US 12,644,189 B2Hohai University
- Digital and informationized fully-automatic aluminum thermal-spraying production line5 May 2026US 12,618,133 B2Guizhou Power Grid Company Limited
- Method for joining dissimilar materials of titanium metal and solder for vacuum vessel sealing1 Oct 2026US 2026/0295703 A1Shijiazhuang Tiedao University
- Component and Method for Producing a Component That Has a Surface With an Increased Torsional Moment1 Oct 2026US 2026/0297721 A1Bayerische Motoren Werke Aktiengesellschaft
- Surface treatment methods for cementless implantable medical devices24 Sep 2026US 2026/0284259 A1Durahip, LLC
- Multicomponent Coating24 Sep 2026US 2026/0286494 A1Concordia University
- Alloys, bond coatings, and components including same24 Sep 2026US 2026/0286495 A1
Most cited
By later US patents
- Ultrasonic scalpel blade and methods of application489US 5,263,957 AUltracision, Inc. · 1993
- Titanium alloy blade coupler coated with nickel-chrome for ultrasonic scalpel442US 5,167,725 AUltracision, Inc. · 1992
- Method for protecting products made of a refractory material against oxidation, and resulting protected products259US 5,677,060 ASociete Europeenne de Propulsion · 1997
- Corrosion resistant powder and coating113US 6,503,290 B1Praxair S. T. Technology, Inc. · 2003
- Coated article and method for inhibiting frictional wear between mating titanium alloy substrates in a gas turbine engine90US 6,158,963 AUnited Technologies Corporation · 2000