B64D 2033/0246
Comprising particle separators
Official title: {comprising particle separators}
B64D2033/0246 (Comprising particle separators) appears on 114 US grants and 114 published applications in this corpus.
Search patents in B64D- Granted patents
- 114
- Published applications
- 114
- Assignees
- 41
- Inventors
- 248
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 4 |
| 2012 | 2 | 1 |
| 2013 | 5 | 2 |
| 2014 | 0 | 6 |
| 2015 | 2 | 8 |
| 2016 | 5 | 8 |
| 2017 | 5 | 13 |
| 2018 | 5 | 12 |
| 2019 | 15 | 15 |
| 2020 | 14 | 7 |
| 2021 | 12 | 11 |
| 2022 | 9 | 4 |
| 2023 | 9 | 2 |
| 2024 | 5 | 5 |
| 2025 | 6 | 3 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assembly for identifying obstructing foreign matter in an air intake of an aircraft propulsion system and method of using same11 Aug 2026US 12,703,497 B2Pratt & Whitney Canada Corp.
- Nose cone with actuated debris deflection flow21 Jul 2026US 12,687,127 B1Rtx Corporation
- Gas turbine engines and methods for particle separation9 Jun 2026US 12,650,093 B1Honeywell International Inc.
- Air filtering system for an aircraft12 May 2026US 12,623,174 B2Bmc Co., Ltd.
- Inducing windmilling to allow oil flow during fire-induced emergency state10 Feb 2026US 12,546,232 B1Pratt & Whitney Canada Corp.
- Assembly for identifying obstructing foreign matter in an air intake of an aircraft propulsion system and method of using same5 Mar 2026US 2026/0062134 A1Pratt & Whitney Canada Corp.
- Separating airflows within an aircraft powerplant30 Oct 2025US 2025/0334075 A1Rtx Corporation
- Ram filter purge system30 Jan 2025US 2025/0033786 A1Textron Innovations Inc.
- Aircraft propulsion system with inlet air monitoring system and method23 Jan 2025US 2025/0026482 A1Raytheon Technologies Corporation
- Inlet air management system15 Aug 2024US 2024/0271564 A1Textron Innovations Inc.
Most cited
By later US patents
- Separator having multiple particle extraction passageways83US 4,928,480 AGeneral Electric Company · 1990
- Swinging door particle separator and deicing system49US 4,250,703 AAvco Corporation · 1981
- Low observable engine air inlet system48US 5,697,394 AUnited Technologies Corporation · 1997
- Ram air intakes of rotary-wing aircraft turbine engines43US 3,998,048 ASociete Nationale Industrielle Aerospatiale · 1976
- Aircraft engine air filter and method34US 6,595,742 B2Westar Corporation · 2003