B64C 21/01
Boundary layer ingestion [bli] propulsion
Official title: Boundary layer ingestion [BLI] propulsion
B64C21/01 (Boundary layer ingestion [bli] propulsion) appears on 122 US grants and 159 published applications in this corpus.
Search patents in B64C- Granted patents
- 122
- Published applications
- 159
- Assignees
- 37
- Inventors
- 173
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 6 |
| 2017 | 5 | 13 |
| 2018 | 7 | 36 |
| 2019 | 21 | 12 |
| 2020 | 14 | 29 |
| 2021 | 10 | 11 |
| 2022 | 24 | 11 |
| 2023 | 11 | 10 |
| 2024 | 9 | 9 |
| 2025 | 9 | 5 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust area and flow turning control1 Sep 2026US 12,722,777 B2Whisper Aero Inc.
- Apparatus and method for fluid manipulation10 Mar 2026US 12,570,391 B2
- Methods for optimizing boundary layer control (BLC) systems and related systems10 Mar 2026US 12,570,394 B2
- Thermal management system for an aircraft including an electric propulsion engine24 Feb 2026US 12,559,228 B2General Electric Company
- Blended wing body aircraft17 Feb 2026US 12,552,534 B2General Electric Company
- Blended wing aircraft17 Sep 2026US 2026/0274413 A1General Electric Company
- Blended wing aircraft16 Jul 2026US 2026/0200577 A1General Electric Company
- Methods for optimizing boundary layer control (blc) systems and related systems25 Jun 2026US 2026/0175969 A1
- Tail-integrated boundary-layer ingesting propulsion18 Jun 2026US 2026/0167326 A1Massachusetts Institute of Technology
- Vertical take of and landing aircraft with fluidic propulsion system11 Jun 2026US 2026/0159220 A1Jetoptera, Inc.
Most cited
By later US patents
- High performance forward swept wing aircraft43US 4,767,083 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1988
- Thermal management system for an electric propulsion engine28US 11,105,340 B2General Electric Company · 2021
- Dual bimorph synthetic pulsator25US 7,686,257 B2Lockheed Martin Corporation · 2010
- Aerodynamic flow body24US 4,033,526 A1977
- Electric propulsion engine for an aircraft22US 10,392,119 B2General Electric Company · 2019