F16J 15/3288
Filamentary structures
Official title: Filamentary structures, e.g. brush seals
F16J15/3288 (Filamentary structures) appears on 516 US grants and 437 published applications in this corpus.
Search patents in F16J- Granted patents
- 516
- Published applications
- 437
- Assignees
- 158
- Inventors
- 856
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 23 | 0 |
| 2001 | 32 | 3 |
| 2002 | 26 | 24 |
| 2003 | 25 | 26 |
| 2004 | 20 | 29 |
| 2005 | 15 | 25 |
| 2006 | 10 | 20 |
| 2007 | 12 | 18 |
| 2008 | 14 | 22 |
| 2009 | 8 | 19 |
| 2010 | 11 | 27 |
| 2011 | 16 | 15 |
| 2012 | 12 | 16 |
| 2013 | 9 | 27 |
| 2014 | 17 | 7 |
| 2015 | 14 | 35 |
| 2016 | 13 | 21 |
| 2017 | 17 | 16 |
| 2018 | 24 | 19 |
| 2019 | 19 | 13 |
| 2020 | 14 | 19 |
| 2021 | 11 | 11 |
| 2022 | 16 | 7 |
| 2023 | 11 | 3 |
| 2024 | 4 | 5 |
| 2025 | 6 | 4 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interstage seal with provision for dedicated cooling flow ingress and method12 May 2026US 12,624,641 B1Rtx Corporation
- Integral brush seal cover plate and method7 Apr 2026US 12,595,744 B1Rtx Corporation
- Dryer seals for a clothes dryers and related methods17 Feb 2026US 12,553,172 B2Felters of South Carolina, LLC
- Internally cooled brush seal backing plate and method10 Feb 2026US 12,546,230 B1Rtx Corporation
- Arrangement, sealing and method for limiting the intrusion of particles into a gap6 Jan 2026US 12,516,736 B2
- 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
- Dryer seals for a clothes dryers and related methods25 Jun 2026US 2026/0176811 A1Felters of South Carolina, LLC
- Sealing device, turbomachine, and use29 Jan 2026US 2026/0028915 A1
Most cited
By later US patents
- Sealing device131US 5,474,305 ACross Manufacturing Company (1938) Limited · 1995
- Brush seal107US 4,756,536 AROLLS-ROYCE plc · 1988
- Self-accommodating brush seal for gas turbine combustor98US 5,400,586 AGeneral Electric Company · 1995
- Brush seals89US 5,090,710 ACross Manufacturing Company (1938) Limited · 1992
- Multi-layered brush seal86US 5,201,530 AUnited Technologies Corporation · 1993