F05D 2230/72
Maintenance
F05D2230/72 (Maintenance) appears on 479 US grants and 609 published applications in this corpus.
Search patents in F05D- Granted patents
- 479
- Published applications
- 609
- Assignees
- 155
- Inventors
- 1,238
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 14 |
| 2013 | 5 | 16 |
| 2014 | 11 | 21 |
| 2015 | 15 | 38 |
| 2016 | 17 | 44 |
| 2017 | 23 | 35 |
| 2018 | 26 | 64 |
| 2019 | 43 | 42 |
| 2020 | 57 | 50 |
| 2021 | 43 | 59 |
| 2022 | 54 | 53 |
| 2023 | 60 | 48 |
| 2024 | 47 | 43 |
| 2025 | 47 | 42 |
| 2026 | 25 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods of servicing equipment6 Oct 2026US 12,752,747 B2General Electric Company
- Electronic device for a measuring rake facilitating data loading25 Aug 2026US 12,716,814 B2Airbus Operations GmbH
- Coating system and method for maintenance thereof16 Jun 2026US 12,655,066 B2ROLLS-ROYCE plc
- Method for repairing a gas turbine engine component2 Jun 2026US 12,644,391 B2Rtx Corporation
- Decoking2 Jun 2026US 12,644,419 B2ROLLS-ROYCE plc
- Maintenance method for gas turbines27 Aug 2026US 2026/0251077 A1Mitsubishi Heavy Industries, Ltd.
- Inspection port for an attritable engine support structure20 Aug 2026US 2026/0243423 A1Rtx Corporation
- Method and apparatus for engine hot section maintenance13 Aug 2026US 2026/0235050 A1Pratt & Whitney Canada Corp.
- System and method for inspecting an acoustic liner of an aircraft engine30 Jul 2026US 2026/0218625 A1Pratt & Whitney Canada Corp.
- Tooling and method for visually inspecting an aircraft turbomachine part30 Jul 2026US 2026/0219197 A1Safran Aircraft Engines
Most cited
By later US patents
- Method and apparatus for determining an effective jet engine maintenance schedule45US 6,473,677 B1General Electric Company · 2002
- Gas turbine engine front center body architecture29US 8,366,385 B2United Technologies Corporation · 2013
- Engine loader and transporter apparatus and methods25US 7,103,952 B2The Boeing Company · 2006
- Methods of cleaning a hot gas flowpath component of a turbine engine25US 9,932,854 B1General Electric Company · 2018
- Electric windmill pump for gearbox durability24US 10,634,053 B2United Technologies Corporation · 2020