F05D 2250/191
Perforated
Official title: perforated
F05D2250/191 (Perforated) appears on 131 US grants and 149 published applications in this corpus.
Search patents in F05D- Granted patents
- 131
- Published applications
- 149
- Assignees
- 72
- Inventors
- 336
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 4 | 1 |
| 2014 | 3 | 6 |
| 2015 | 4 | 3 |
| 2016 | 4 | 9 |
| 2017 | 4 | 6 |
| 2018 | 6 | 6 |
| 2019 | 6 | 12 |
| 2020 | 11 | 18 |
| 2021 | 10 | 12 |
| 2022 | 16 | 16 |
| 2023 | 17 | 9 |
| 2024 | 13 | 8 |
| 2025 | 6 | 10 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aero-acoustically dampened bleed valve16 Jun 2026US 12,655,804 B2General Electric Company
- Multi-layered containment structure for a bladed rotor of a gas turbine engine19 May 2026US 12,631,126 B2Pratt & Whitney Canada Corp.
- Sandblasting mask31 Mar 2026US 12,589,466 B2Safran Aero Boosters SA
- Combined rotating component and fluid port baffle3 Feb 2026US 12,540,667 B2Pratt & Whitney Canada Corp.
- Self-metering impingement plate30 Dec 2025US 12,510,000 B2Rtx Corporation
- Gas turbine for controlling thermal expansion of vane carrier10 Sep 2026US 2026/0266198 A1Doosan Enerbility Co., Ltd.
- Cmc component with cover plate23 Jul 2026US 2026/0210263 A1Rtx Corporation
- Cmc component with cover plate23 Jul 2026US 2026/0210291 A1Rtx Corporation
- Cmc component with structure for directing cooling air flow16 Jul 2026US 2026/0201811 A1Rtx Corporation
- Air inlet intended to be connected to a fan casing of a turbine engine by a flange-type assembly and propulsion assembly comprising a turbine engine equipped with such an air inlet2 Jul 2026US 2026/0184432 A1Safran Nacelles
Most cited
By later US patents
- Fan casing acoustic treatment46US 6,619,913 B2General Electric Company · 2003
- Perforated two layered sheet for use in film cooling43US 5,223,320 AROLLS-ROYCE plc · 1993
- Geared gas turbine engine with reduced fan noise42US 10,107,191 B2United Technologies Corporation · 2018
- Turbine noise absorber37US 7,017,706 B2Honeywell International Inc. · 2006
- Aero-engine exhaust jet noise reduction assembly29US 6,640,537 B2Pratt & Whitney Canada Corp. · 2003