F16K 31/52408
Comprising a lift valve
Official title: {comprising a lift valve}
F16K31/52408 (Comprising a lift valve) appears on 399 US grants and 389 published applications in this corpus.
Search patents in F16K- Granted patents
- 399
- Published applications
- 389
- Assignees
- 301
- Inventors
- 771
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 4 | 10 |
| 2004 | 12 | 4 |
| 2005 | 7 | 12 |
| 2006 | 6 | 10 |
| 2007 | 7 | 4 |
| 2008 | 6 | 7 |
| 2009 | 4 | 8 |
| 2010 | 1 | 7 |
| 2011 | 4 | 8 |
| 2012 | 9 | 7 |
| 2013 | 3 | 11 |
| 2014 | 9 | 12 |
| 2015 | 14 | 21 |
| 2016 | 13 | 22 |
| 2017 | 15 | 21 |
| 2018 | 18 | 23 |
| 2019 | 21 | 29 |
| 2020 | 42 | 37 |
| 2021 | 22 | 25 |
| 2022 | 25 | 20 |
| 2023 | 22 | 30 |
| 2024 | 27 | 31 |
| 2025 | 22 | 15 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ball valve with endurance enhancing features22 Sep 2026US 12,742,504 B2Precision Engine Controls Corporation
- Flow path switching valve28 Jul 2026US 12,692,956 B2Autoelex Co., Ltd.
- Peizoelectric valve assembly14 Jul 2026US 12,680,621 B2Humphrey Products Company
- Control valve23 Jun 2026US 12,663,097 B2Koganei Corporation
- Debris-tolerant sealing valve2 Jun 2026US 12,644,538 B2Sierra Space Corporation
- Valve upper part for sanitary fittings27 Aug 2026US 2026/0251232 A1Flühs Drehtechnik GmbH
- Valve upper part for sanitary fittings13 Aug 2026US 2026/0235210 A1Flühs Drehtechnik GmbH
- Rotary valve13 Aug 2026US 2026/0235212 A1Aisin Corporation
- High-performance valve controlled by non-standard gears23 Jul 2026US 2026/0207415 A1
- Shut-off device with variable stop23 Jul 2026US 2026/0210443 A1Neoperl GmbH
Most cited
By later US patents
- Fluid flow control182US 5,009,251 ABaxter International Inc. · 1991
- Entirely uniformly heated responsive cooker143US 5,092,229 A1992
- Variable pressure valve apparatus116US 6,684,904 B2Seiko Instruments Inc. · 2004
- Variable pressure valve apparatus109US 6,474,360 B1Seiko Instruments Inc. · 2002
- Pulsating vibration air generation means54US 6,062,826 AKabushikikaisha Matsui Seisakusho · 2000