F05D 2240/57
Leaf seals
F05D2240/57 (Leaf seals) appears on 324 US grants and 374 published applications in this corpus.
Search patents in F05D- Granted patents
- 324
- Published applications
- 374
- Assignees
- 60
- Inventors
- 748
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 6 |
| 2006 | 4 | 11 |
| 2007 | 6 | 7 |
| 2008 | 5 | 9 |
| 2009 | 6 | 20 |
| 2010 | 3 | 18 |
| 2011 | 9 | 19 |
| 2012 | 20 | 13 |
| 2013 | 18 | 24 |
| 2014 | 14 | 14 |
| 2015 | 11 | 16 |
| 2016 | 13 | 34 |
| 2017 | 17 | 21 |
| 2018 | 27 | 24 |
| 2019 | 30 | 26 |
| 2020 | 32 | 34 |
| 2021 | 32 | 22 |
| 2022 | 23 | 12 |
| 2023 | 14 | 8 |
| 2024 | 13 | 18 |
| 2025 | 14 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assembly for an aircraft turbomachine, and aircraft turbomachine10 Mar 2026US 12,571,324 B2Safran Ceramics
- Sealing strip element and sealing arrangement comprising said sealing strip element3 Feb 2026US 12,540,674 B2Siemens Energy Global GmbH & Co. KG
- Sealing device and flow machine with the sealing device13 Jan 2026US 12,523,158 B2Siemens Energy Global GmbH & Co. KG
- Protective treatment and method of applying the same21 Oct 2025US 12,448,923 B2Rtx Corporation
- Turbine case structure for an aircraft propulsion system engine14 Oct 2025US 12,442,311 B1Pratt & Whitney Canada Corp.
- Turbine vane frame assembly10 Sep 2026US 2026/0266201 A1General Electric Company
- Double-section spring element6 Aug 2026US 2026/0226986 A1Rolls-Royce Deutschland Ltd & Co KG
- Sealing metal sheet, turbine, bending tool, and method23 Jul 2026US 2026/0210259 A1Siemens Energy Global GmbH & Co. KG
- Reheater interface25 Jun 2026US 2026/0177009 A1ROLLS-ROYCE plc
- Sealing assembly and gas turbine19 Mar 2026US 2026/0078684 A1Doosan Enerbility Co., Ltd.
Most cited
By later US patents
- Turbine ring incorporating elements of a ceramic composition divided into sectors68US 4,759,687 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1988
- Seal device68US 7,090,224 B2Eagle Engineering Aerospace Co., Ltd. · 2006
- Leaf seal support for inner band of a turbine nozzle in a gas turbine engine65US 6,652,229 B2General Electric Company · 2003
- Turbine shroud segment55US 7,186,078 B2Ishikawajima-Harima Heavy Industries Co., Ltd. · 2007
- Seal assembly and rotary machine containing such seal assembly54US 5,971,400 AGeneral Electric Company · 1999