F02K 1/805
Sealing devices therefor
Official title: {Sealing devices therefor, e.g. for movable parts of jet pipes or nozzle flaps}
F02K1/805 (Sealing devices therefor) appears on 228 US grants and 161 published applications in this corpus.
Search patents in F02K- Granted patents
- 228
- Published applications
- 161
- Assignees
- 54
- Inventors
- 383
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 0 | 2 |
| 2005 | 5 | 9 |
| 2006 | 6 | 8 |
| 2007 | 5 | 3 |
| 2008 | 1 | 2 |
| 2009 | 4 | 6 |
| 2010 | 3 | 1 |
| 2011 | 3 | 4 |
| 2012 | 5 | 3 |
| 2013 | 1 | 14 |
| 2014 | 3 | 10 |
| 2015 | 8 | 6 |
| 2016 | 8 | 11 |
| 2017 | 8 | 10 |
| 2018 | 8 | 8 |
| 2019 | 11 | 3 |
| 2020 | 9 | 9 |
| 2021 | 6 | 11 |
| 2022 | 9 | 7 |
| 2023 | 11 | 7 |
| 2024 | 12 | 7 |
| 2025 | 6 | 8 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine engine turbine assembly16 Jun 2026US 12,655,810 B2Safran Ceramics
- Variable area nozzle assembly12 May 2026US 12,624,672 B2Rohr, Inc.
- Exhaust nozzle assembly for aircraft propulsion system17 Mar 2026US 12,576,982 B2Rohr, Inc.
- Cooled variable area nozzle for an aircraft engine17 Mar 2026US 12,578,092 B2Rtx Corporation
- Apparatus to prevent air leakage in turbine engines24 Feb 2026US 12,560,097 B2General Electric Company
- Variable area nozzle assembly17 Sep 2026US 2026/0275934 A1Rohr, Inc.
- Apparatus and method of purging gas turbine exhaust trough to reduce hot flow leakage23 Jul 2026US 2026/0210274 A1General Electric Company
- Reheater interface25 Jun 2026US 2026/0177009 A1ROLLS-ROYCE plc
- Propulsion machine comprising a sensing arrangement25 Jun 2026US 2026/0177017 A1ROLLS-ROYCE plc
- Jet nozzle effective area control system for gas turbine engine26 Feb 2026US 2026/0055732 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Finger seal assembly106US 4,645,217 AUnited Technologies Corporation · 1987
- Self-accommodating brush seal for gas turbine combustor98US 5,400,586 AGeneral Electric Company · 1995
- Self-accommodating brush seal for gas turbine combustor84US 5,265,412 AGeneral Electric Company · 1993
- Wear reduction kit for gas turbine combustors62US 5,749,218 AGeneral Electric Company · 1998
- High excursion seal with flexible membrane to prevent gas leakage through hinge59US 4,575,099 AGeneral Electric Company · 1986