F05D 2240/56
Brush seals
F05D2240/56 (Brush seals) appears on 346 US grants and 358 published applications in this corpus.
Search patents in F05D- Granted patents
- 346
- Published applications
- 358
- Assignees
- 75
- Inventors
- 724
- Latest grant
- 28 Jul 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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 6 |
| 2003 | 14 | 10 |
| 2004 | 10 | 18 |
| 2005 | 11 | 10 |
| 2006 | 5 | 11 |
| 2007 | 7 | 13 |
| 2008 | 5 | 17 |
| 2009 | 8 | 12 |
| 2010 | 6 | 13 |
| 2011 | 9 | 5 |
| 2012 | 11 | 16 |
| 2013 | 8 | 15 |
| 2014 | 10 | 6 |
| 2015 | 7 | 35 |
| 2016 | 15 | 24 |
| 2017 | 12 | 24 |
| 2018 | 29 | 23 |
| 2019 | 23 | 17 |
| 2020 | 25 | 30 |
| 2021 | 24 | 15 |
| 2022 | 21 | 10 |
| 2023 | 13 | 5 |
| 2024 | 8 | 10 |
| 2025 | 6 | 6 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Brush seal assembly with metal clip28 Jul 2026US 12,692,796 B2Rtx Corporation
- Combustor-vane interface feather seal23 Jun 2026US 12,662,945 B2Rtx Corporation
- Assembly clip for gas engine components19 May 2026US 12,631,120 B1Rtx Corporation
- Interstage seal with provision for dedicated cooling flow ingress and method12 May 2026US 12,624,641 B1Rtx Corporation
- Turbomachine having an improved oil-recovery device12 May 2026US 12,624,647 B2Safran Aircraft Engines
- Assembly clip for gas engine components1 Oct 2026US 2026/0298103 A1Rtx Corporation
- Integral brush seal cover plate and method16 Jul 2026US 2026/0201810 A1Rtx Corporation
- Brush seal with integral cooling channel and method16 Jul 2026US 2026/0201816 A1Rtx Corporation
- Brush seal with cross-flow backing plate and thermal gradient reduction method16 Jul 2026US 2026/0201957 A1Rtx Corporation
- Sealing device, turbomachine, and use29 Jan 2026US 2026/0028915 A1
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
- 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
- Trenched brush seal75US 5,181,728 AGeneral Electric Company · 1993
- Brush seals and combined labyrinth and brush seals for rotary machines73US 6,131,910 AGeneral Electric Company · 2000