F05D 2300/509
Self lubricating materials
Official title: Self lubricating materials; Solid lubricants
F05D2300/509 (Self lubricating materials) appears on 60 US grants and 73 published applications in this corpus.
Search patents in F05D- Granted patents
- 60
- Published applications
- 73
- Assignees
- 41
- Inventors
- 159
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 5 |
| 2008 | 0 | 0 |
| 2009 | 3 | 1 |
| 2010 | 1 | 2 |
| 2011 | 3 | 5 |
| 2012 | 2 | 4 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 7 |
| 2018 | 1 | 1 |
| 2019 | 4 | 4 |
| 2020 | 6 | 5 |
| 2021 | 5 | 4 |
| 2022 | 3 | 6 |
| 2023 | 5 | 5 |
| 2024 | 2 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coating system and substrate with coating system13 Jan 2026US 12,522,922 B2Rtx Corporation
- Variable inlet guide vane apparatus combined with compressor end cap6 Jan 2026US 12,516,678 B2Copeland Corporation
- Protection element for a compressor drum and method for repairing a compressor drum30 Dec 2025US 12,509,994 B2Safran Aircraft Engines
- Seal for an aircraft engine13 May 2025US 12,297,908 B2Pratt & Whitney Canada Corp.
- Carbon seal assembly6 May 2025US 12,291,970 B2Rtx Corporation
- Lubrication rings for aircraft engine bolts14 May 2026US 2026/0132723 A1Pratt & Whitney Canada Corp.
- Variable inlet guide vane apparatus30 Apr 2026US 2026/0117792 A1Copeland Corporation
- Plain bearing arrangement for an aircraft engine and aircraft engine having a plain bearing arrangement2 Oct 2025US 2025/0305425 A1
- Protection element for a compressor drum and method for repairing a compressor drum14 Aug 2025US 2025/0257664 A1Safran Aircraft Engines
- Coating system and substrate with coating system19 Dec 2024US 2024/0417853 A1Raytheon Technologies Corporation
Most cited
By later US patents
- Turbocharger integrated bearing system81US 6,017,184 AAllied-Signal Inc. · 2000
- Compliant sleeve for ceramic turbine blades46US 6,132,175 AAlliedSignal Inc. · 2000
- Curable dry film lubricant for titanium alloys31US 5,356,545 AGeneral Electric Company · 1994
- Maintainable compressor stability bleed system20US 6,802,691 B2United Technologies Corporation · 2004
- Sacrificial inner shroud liners for gas turbine engines20US 7,510,369 B2United Technologies Corporation · 2009