F15D 1/002
Influencing flow of fluids: by influencing the boundary layer
Official title: {by influencing the boundary layer}
F15D1/002 (Influencing flow of fluids: by influencing the boundary layer) appears on 401 US grants and 497 published applications in this corpus.
Search patents in F15D- Granted patents
- 401
- Published applications
- 497
- Assignees
- 249
- Inventors
- 912
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 4 |
| 2005 | 2 | 8 |
| 2006 | 3 | 4 |
| 2007 | 4 | 5 |
| 2008 | 0 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 12 |
| 2011 | 1 | 9 |
| 2012 | 4 | 11 |
| 2013 | 11 | 15 |
| 2014 | 11 | 21 |
| 2015 | 11 | 37 |
| 2016 | 28 | 44 |
| 2017 | 29 | 35 |
| 2018 | 30 | 33 |
| 2019 | 28 | 56 |
| 2020 | 40 | 44 |
| 2021 | 44 | 34 |
| 2022 | 37 | 36 |
| 2023 | 25 | 33 |
| 2024 | 39 | 19 |
| 2025 | 23 | 16 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiple input multiple output phononic subsurfaces for passive boundary layer transition delay6 Oct 2026US 12,753,783 B2The United States of America as represented by the Secretary of the Air Force
- Device to reduce turbulent flow skin friction using carbon dioxide, riblets, and suction holes4 Aug 2026US 12,698,789 B2
- Wave producing method and apparatus28 Jul 2026US 12,691,349 B2Ka'ana Wave Company Inc.
- Fluid vortex breaker7 Jul 2026US 12,674,478 B2Hydrogenics Corporation
- Apparatus and methods for an erosion control coating on an interior surface of production equipment23 Jun 2026US 12,662,912 B2Chevron U.S.A.Inc.
- Separation suppression device and moving object10 Sep 2026US 2026/0266317 A1Tohoku University
- Fixing structure for laminar flow element and flow rate control device27 Aug 2026US 2026/0251161 A1Fujikin Incorporated
- Apparatus and method for fluid manipulation9 Jul 2026US 2026/0194082 A1
- Fluid reservoir, apparatuses comprising a fluid reservoir, and methods comprising a fluid reservoir2 Jul 2026US 2026/0184417 A1The Boeing Company
- Blade member and structural member2 Jul 2026US 2026/0185449 A1Nikon Corporation
Most cited
By later US patents
- Drag reduction article88US 5,069,403 AMinnesota Mining and Manufacturing Company · 1991
- Drag reduction article86US 4,986,496 AMinnesota Mining and Manufacturing Company · 1991
- Superhydrophobic coating69US 6,994,045 B2CNT Spolka Z O.O. · 2006
- Wall with a drag reducing surface and method for making such a wall64US 4,907,765 AMesserschmitt-Boelkow-Blohm GmbH · 1990
- Device for reducing the frictional drag of moving bodies51US 4,750,693 AMesserschmitt-Bolkow-Blohm GmbH · 1988