F04F 10/00
Siphons
F04F10/00 (Siphons) appears on 144 US grants and 91 published applications in this corpus.
Search patents in F04F- Granted patents
- 144
- Published applications
- 91
- Assignees
- 52
- Inventors
- 219
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 4 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 2 | 6 |
| 2014 | 7 | 2 |
| 2015 | 2 | 5 |
| 2016 | 3 | 5 |
| 2017 | 5 | 4 |
| 2018 | 2 | 4 |
| 2019 | 4 | 7 |
| 2020 | 5 | 3 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 4 | 8 |
| 2024 | 8 | 11 |
| 2025 | 7 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid sampler, low headspace syphon and method of use thereof2 Jun 2026US 12,644,799 B2Tri-Mech Design Inc.
- Automatic double-bell siphon17 Feb 2026US 12,553,453 B2
- Non-resistive circulation to elevated containers20 Jan 2026US 12,529,387 B2CyberIT Systems AS
- Siphon systems and vacuum pumps2 Dec 2025US 12,486,920 B2
- Sediment capture syphon apparatus21 Oct 2025US 12,447,420 B2
- Passive siphon-based fluid removal apparatus12 Feb 2026US 2026/0043421 A1
- Modular envelope hydrodynamic electrification system18 Sep 2025US 2025/0290483 A1GenH Inc.
- Storage tank siphon14 Aug 2025US 2025/0257744 A1Stormwell Inc.
- Automatic double-bell siphon12 Jun 2025US 2025/0188956 A1Bob Jones University
- Siphon24 Apr 2025US 2025/0129800 A1
Most cited
By later US patents
- Fuel transfer system with aspirator36US 4,951,699 AChrysler Corporation · 1990
- Check valve and siphon tube assembly employing same31US 4,095,615 ARamco Manufacturing, Inc. · 1978
- Drainage pan for liquid waste containers24US 4,862,909 A1989
- Hydraulic liquid pumping system24US 7,377,492 B2A Better Power, LLC · 2008
- Aquarium siphon apparatus23US 5,269,338 A1993