F03B 11/002
Injecting air or other fluid
Official title: {Injecting air or other fluid (F03D80/40, F03B11/04, F03B15/00 take precedence)}
F03B11/002 (Injecting air or other fluid) appears on 72 US grants and 67 published applications in this corpus.
Search patents in F03B- Granted patents
- 72
- Published applications
- 67
- Assignees
- 30
- Inventors
- 139
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 6 | 6 |
| 2014 | 4 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 4 |
| 2020 | 3 | 8 |
| 2021 | 1 | 8 |
| 2022 | 8 | 2 |
| 2023 | 6 | 3 |
| 2024 | 2 | 6 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recirculating hydro-pneumatic impulse turbine21 Jul 2026US 12,687,145 B2Gravity Energy Pty Ltd
- Method of refurbishing an energy conversion facility and refurbished energy conversion facility16 Dec 2025US 12,497,940 B2Voith Patent GmbH
- Energy generating device21 Oct 2025US 12,448,944 B2
- Buoyancy engine20 May 2025US 12,305,608 B2Synchrogen Energy Pty Ltd
- Ocean multitasking generator15 Oct 2024US 12,116,973 B1
- Water-based renewable electricity generation system13 Aug 2026US 2026/0235100 A1
- Air-filled kaplan runner19 Feb 2026US 2026/0049590 A1GE Renewable Technologies
- Power generation apparatus using gas buoyancy10 Jul 2025US 2025/0223941 A1
- Recirculating hydro-pneumatic impulse turbine22 May 2025US 2025/0163880 A1Gravity Energy Pty Ltd
- Method of refurbishing an energy conversion facility and refurbished energy conversion facility9 Jan 2025US 2025/0012248 A1Voith Patent GmbH
Most cited
By later US patents
- Hydraulic turbine aeration apparatus27US 4,780,051 AVoith Hydro, Inc. · 1988
- Hollow blade for hydraulic turbine or pump21US 6,155,783 AVoith Siemens Hydro Power Generation, Inc. · 2000
- Dissolved gas augmentation with mixing chambers19US 5,823,740 AVoith Hydro, Inc. · 1998
- Aeration through runner18US 5,879,130 AVoith Hydro, Inc. · 1999
- Hydraulic turbine for enhancing the level of dissolved gas in water18US 5,924,842 AVoith Hydro, Inc. · 1999