C23C 28/325
With layers graded in composition or in physical properties
Official title: {with layers graded in composition or in physical properties}
C23C28/325 (With layers graded in composition or in physical properties) appears on 221 US grants and 280 published applications in this corpus.
Search patents in C23C- Granted patents
- 221
- Published applications
- 280
- Assignees
- 112
- Inventors
- 534
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 20 | 2 |
| 2002 | 9 | 5 |
| 2003 | 25 | 33 |
| 2004 | 11 | 12 |
| 2005 | 12 | 28 |
| 2006 | 10 | 15 |
| 2007 | 15 | 27 |
| 2008 | 11 | 33 |
| 2009 | 11 | 27 |
| 2010 | 8 | 23 |
| 2011 | 10 | 6 |
| 2012 | 6 | 9 |
| 2013 | 5 | 6 |
| 2014 | 6 | 6 |
| 2015 | 8 | 4 |
| 2016 | 1 | 3 |
| 2017 | 5 | 5 |
| 2018 | 1 | 3 |
| 2019 | 4 | 0 |
| 2020 | 1 | 6 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 2 | 3 |
| 2024 | 4 | 10 |
| 2025 | 4 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-cavitation damping composite metal structure for flow passage component2 Jun 2026US 12,644,189 B2Hohai University
- Method of manufacture of precious metal laminate5 May 2026US 12,618,135 B2Valaurum, Inc.
- Sliding member20 Jan 2026US 12,529,148 B2Mahle International GmbH
- Composite metal foil20 May 2025US 12,305,309 B2Industrial Technology Research Institute
- Method of coating one or more metal components of a fuel cell stack, component of a fuel cell stack and apparatus for coating one or more components of a fuel cell stack8 Apr 2025US 12,272,845 B2IHI Hauzer Techno Coating B.V.
- Eyewear with antibacterial coating17 Sep 2026US 2026/0275530 A1Zenni Optical, Inc.
- Brake disc for disc brakes and method for making a brake disc for disc brakes25 Jun 2026US 2026/0177118 A1Brembo S.p.A.
- Aircraft component coating system21 May 2026US 2026/0138727 A1Pratt & Whitney Canada Corp.
- High entropy alloy-based compositions and bond coats formed therefrom2 Apr 2026US 2026/0092343 A1General Electric Company
- Metal component including an intermetallic compound layer and method for manufacturing thereof14 Aug 2025US 2025/0257469 A1Infineon Technologies AG
Most cited
By later US patents
- Hydrogen-permeable composite metal membrane114US 5,139,541 ABend Research, Inc. · 1992
- Directly cooled thermal barrier coating system87US 6,617,003 B1General Electric Company · 2003
- Thermal barrier coating systems and materials84US 6,177,200 B1United Technologies Corporation · 2001
- Thermal barrier coating systems and materials81US 6,284,323 B1United Technologies Corporation · 2001
- Metallic article having a thermal barrier coating and a method of application thereof77US 6,025,078 AROLLS-ROYCE plc · 2000