F05D 2300/172
Copper alloys
F05D2300/172 (Copper alloys) appears on 74 US grants and 98 published applications in this corpus.
Search patents in F05D- Granted patents
- 74
- Published applications
- 98
- Assignees
- 54
- Inventors
- 226
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 3 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 7 |
| 2016 | 3 | 9 |
| 2017 | 6 | 10 |
| 2018 | 5 | 7 |
| 2019 | 10 | 8 |
| 2020 | 7 | 9 |
| 2021 | 8 | 5 |
| 2022 | 3 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 6 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Targeted ceramic casting core inhomogeneity12 May 2026US 12,623,373 B2Rtx Corporation
- Oxidation and SRZ resistant coatings on nickel superalloys12 May 2026US 12,624,420 B2Pratt & Whitney Canada Corp.
- Method to produce void-free ferrous and non-ferrous aerospace structural castings23 Dec 2025US 12,503,773 B2Spirit AeroSystems, Inc.
- Center-tie shaft tensioning23 Dec 2025US 12,503,954 B2Rtx Corporation
- Fan covering with high recycle content and high thermal conductivity1 Jul 2025US 12,345,273 B2Dell Products L. P.
- Oxidation and SRZ Resistant Coatings on Nickel Superalloys17 Sep 2026US 2026/0275460 A1Pratt & Whitney Canada Corp.
- Targeted Ceramic Casting Core Inhomogeneity6 Aug 2026US 2026/0225282 A1Rtx Corporation
- Fluid flow machine comprising a sealing arrangement11 Jun 2026US 2026/0160176 A1ROLLS-ROYCE plc
- Fluid flow machine comprising a sealing arrangement11 Jun 2026US 2026/0160177 A1ROLLS-ROYCE plc
- Center-Tie Shaft Tensioning18 Dec 2025US 2025/0382894 A1Rtx Corporation
Most cited
By later US patents
- 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
- Device for controlling the throat areas between the diffusor guide vanes of a centrifugal compressor of a gas turbine engine25US 4,740,138 AMTU Motoren-und Turbinen München GmbH · 1988
- Method of applying a nanocrystalline coating to a gas turbine engine component23US 8,871,297 B22014
- Systems, methods and apparatus for propulsion18US 7,997,510 B22011
- Method of applying a nanocrystalline coating to a gas turbine engine component16US 10,369,593 B2Pratt & Whitney Canada Corp. · 2019