B64C 2003/148
Comprising protuberances
Official title: {comprising protuberances, e.g. for modifying boundary layer flow}
B64C2003/148 (Comprising protuberances) appears on 52 US grants and 62 published applications in this corpus.
Search patents in B64C- Granted patents
- 52
- Published applications
- 62
- Assignees
- 34
- Inventors
- 103
- Latest grant
- 7 Apr 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 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 3 | 4 |
| 2019 | 7 | 3 |
| 2020 | 4 | 6 |
| 2021 | 3 | 6 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Airflow interrupting devices7 Apr 2026US 12,595,044 B2Tamarack Aerospace Group, Inc.
- Acoustic attenuation device for an aircraft propulsion unit30 Dec 2025US 12,509,215 B2Safran Aircraft Engines
- Device to reduce turbulent flow skin friction using carbon dioxide, riblets, and suction holes9 Dec 2025US 12,492,717 B1
- Method, system and apparatus for reducing fluid drag2 Apr 2024US 11,946,497 B213 Mari Ltd.
- Rotary airfoil with reduced acoustic output20 Feb 2024US 11,905,009 B2Joby Aero, Inc.
- Airflow interrupting devices6 Aug 2026US 2026/0225710 A1Tamarack Aerospace Group, Inc.
- Aerodynamic Profile body and associated flying object28 May 2026US 2026/0145775 A1Deutsches Zentrum für Luft- und Raumfahrt e. V.
- Device to reduce turbulent flow skin friction using carbon dioxide, riblets, and suction holes26 Feb 2026US 2026/0055785 A1
- A device to reduce turbulent flow skin friction using carbon dioxide, riblets, and suction holes11 Dec 2025US 2025/0376998 A1
- Aircraft generating larger thrust and lift by fluid continuity18 Apr 2024US 2024/0124131 A1
Most cited
By later US patents
- Aircraft wing stall control device and method55US 4,702,441 AThe Boeing Company · 1987
- Method and system for regulating fluid flow over an airfoil or a hydrofoil32US 7,048,505 B22006
- Low drag surface31US 4,434,957 AROLLS-ROYCE plc · 1984
- Flow guiding device with base having recess for adhesive strip or tape18US 9,133,816 B2Lm Windpower A/S · 2015
- Retractable vortex generator for reducing stall speed15US 8,657,238 B2The Boeing Company · 2014