F05D 2240/55
Seals
F05D2240/55 (Seals) appears on 2,624 US grants and 2,923 published applications in this corpus.
Search patents in F05D- Granted patents
- 2,624
- Published applications
- 2,923
- Assignees
- 292
- Inventors
- 4,276
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 16 | 10 |
| 2003 | 21 | 18 |
| 2004 | 18 | 31 |
| 2005 | 17 | 34 |
| 2006 | 21 | 31 |
| 2007 | 17 | 38 |
| 2008 | 21 | 48 |
| 2009 | 22 | 59 |
| 2010 | 22 | 71 |
| 2011 | 41 | 54 |
| 2012 | 61 | 81 |
| 2013 | 46 | 105 |
| 2014 | 60 | 63 |
| 2015 | 63 | 125 |
| 2016 | 76 | 311 |
| 2017 | 116 | 180 |
| 2018 | 201 | 202 |
| 2019 | 245 | 247 |
| 2020 | 276 | 302 |
| 2021 | 316 | 239 |
| 2022 | 294 | 181 |
| 2023 | 189 | 140 |
| 2024 | 166 | 138 |
| 2025 | 165 | 123 |
| 2026 | 85 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas turbine engines having self-cooling seals and methods of operating the same29 Sep 2026US 12,747,672 B1Honeywell Aerospace US LLC
- Clearance control system for blade outer air seal29 Sep 2026US 12,747,673 B2Rtx Corporation
- Apparatus and method of purging gas turbine exhaust trough to reduce hot flow leakage29 Sep 2026US 12,747,680 B2General Electric Company
- Gas turbine engine rotor stage with sealing members22 Sep 2026US 12,742,392 B2Pratt & Whitney Canada Corp.
- CMC component with structure for directing cooling air flow22 Sep 2026US 12,742,398 B2Rtx Corporation
- Turbine Engine Rotor Seal and Installation Method8 Oct 2026US 2026/0309041 A1Rtx Corporation
- Axial pump with integrated seal8 Oct 2026US 2026/0309043 A1Pratt & Whitney Canada Corp.
- Hybrid rotor arrangement for a gas turbine engine architecture1 Oct 2026US 2026/0298093 A1General Electric Company
- Seal, assembly using the same, and method of installation1 Oct 2026US 2026/0298102 A1Rtx Corporation
- Assembly clip for gas engine components1 Oct 2026US 2026/0298103 A1Rtx Corporation
Most cited
By later US patents
- Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors329US 6,619,030 B1General Electric Company · 2003
- Mid turbine frame for gas turbine engine136US 8,091,371 B2Pratt & Whitney Canada Corp. · 2012
- Leak resistant vane cluster96US 6,910,854 B2United Technologies Corporation · 2005
- Rotor assembly shroud82US 5,609,469 AUnited Technologies Corporation · 1997
- Woven seal and hybrid cloth-brush seals for turbine applications79US 5,474,306 AGeneral Electric Company · 1995