F03B 13/24
To produce a flow of air
Official title: to produce a flow of air, e.g. to drive an air turbine {(F03B13/142 takes precedence)}
F03B13/24 (To produce a flow of air) appears on 141 US grants and 156 published applications in this corpus.
Search patents in F03B- Granted patents
- 141
- Published applications
- 156
- Assignees
- 58
- Inventors
- 215
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 4 | 6 |
| 2009 | 3 | 6 |
| 2010 | 3 | 15 |
| 2011 | 3 | 11 |
| 2012 | 4 | 7 |
| 2013 | 10 | 14 |
| 2014 | 8 | 9 |
| 2015 | 6 | 10 |
| 2016 | 4 | 4 |
| 2017 | 10 | 5 |
| 2018 | 3 | 1 |
| 2019 | 5 | 8 |
| 2020 | 7 | 7 |
| 2021 | 7 | 4 |
| 2022 | 2 | 7 |
| 2023 | 10 | 11 |
| 2024 | 7 | 8 |
| 2025 | 10 | 8 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sustainable energy and agricultural systems14 Jul 2026US 12,680,526 B2
- Pressure-regulating hydrodynamic pump and wave engine3 Mar 2026US 12,565,874 B2Lone Gull Holdings, Ltd.
- Self-powered computing buoy24 Feb 2026US 12,560,143 B2Lone Gull Holdings, Ltd.
- Ocean wave power system and method27 Jan 2026US 12,535,047 B2
- Floating oscillating water column-type wave energy power generation9 Dec 2025US 12,492,674 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Self-powered computing buoy4 Jun 2026US 2026/0153071 A1Lone Gull Holdings, Ltd.
- Pressure-regulating hydrodynamic pump and wave engine4 Jun 2026US 2026/0153072 A1Lone Gull Holdings, Ltd.
- Inertial pneumatic wave energy device12 Feb 2026US 2026/0043386 A1Lone Gull Holdings, Ltd.
- System for generating wave energy in deep waters incorporated into the floating production, storage and offloading units and associated construction method8 Jan 2026US 2026/0009372 A1Petroleo Brasileiro S.A. - Petrobras
- Pressure-regulating hydrodynamic pump and wave engine with energy product generation and transport4 Dec 2025US 2025/0369415 A1Lone Gull Holdings, Ltd.
Most cited
By later US patents
- Road vehicle-actuated air compressor and system therefor84US 4,173,431 ANu Watt, Inc. · 1979
- Electrical generating system82US 3,988,592 A1976
- Apparatus and methods for energy conversion in an ocean environment62US 6,833,631 B22004
- Wave power energizer60US 4,560,884 A1985
- Wave energy device53US 5,770,893 A1998