F04F 10/02
Gravity-actuated siphons
F04F10/02 (Gravity-actuated siphons) appears on 23 US grants and 18 published applications in this corpus.
Search patents in F04F- Granted patents
- 23
- Published applications
- 18
- Assignees
- 9
- Inventors
- 33
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic double-bell siphon17 Feb 2026US 12,553,453 B2
- Drainage device and drainage system9 Sep 2025US 12,410,820 B2Gex Corporation
- Transport of explosives2 Jul 2024US 12,025,421 B2Aeci Mining Limited
- Modular envelope hydrodynamic electrification system14 May 2024US 11,982,255 B2INGLASS S.p.A.
- Sediment capture syphon system and pump13 Jun 2023US 11,674,507 B2
- Modular envelope hydrodynamic electrification system18 Sep 2025US 2025/0290483 A1GenH Inc.
- Automatic double-bell siphon12 Jun 2025US 2025/0188956 A1Bob Jones University
- Modular envelope hydrodynamic electrification system12 Sep 2024US 2024/0301853 A1
- Drainage device and drainage system6 Jun 2024US 2024/0183364 A1Gex Corporation
- Modular envelope hydrodynamic electrification system20 Jul 2023US 2023/0228240 A1INGLASS S.p.A.
Most cited
By later US patents