F16K 1/443
The seats being in series
Official title: {the seats being in series}
F16K1/443 (The seats being in series) appears on 316 US grants and 271 published applications in this corpus.
Search patents in F16K- Granted patents
- 316
- Published applications
- 271
- Assignees
- 217
- Inventors
- 595
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 3 |
| 2002 | 4 | 6 |
| 2003 | 7 | 3 |
| 2004 | 6 | 5 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 7 | 8 |
| 2008 | 1 | 7 |
| 2009 | 4 | 4 |
| 2010 | 4 | 8 |
| 2011 | 5 | 18 |
| 2012 | 5 | 12 |
| 2013 | 14 | 9 |
| 2014 | 16 | 8 |
| 2015 | 5 | 11 |
| 2016 | 6 | 16 |
| 2017 | 13 | 10 |
| 2018 | 8 | 20 |
| 2019 | 16 | 19 |
| 2020 | 23 | 29 |
| 2021 | 14 | 16 |
| 2022 | 19 | 12 |
| 2023 | 13 | 11 |
| 2024 | 11 | 15 |
| 2025 | 17 | 8 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-stage valve for high pressure washing system4 Aug 2026US 12,697,630 B2Stant USA Corp.
- Valve assembly and piston with double o-ring interface and relief passage4 Aug 2026US 12,698,833 B2Bendix Commercial Vehicle Systems LLC
- Tandem gas valve2 Jun 2026US 12,644,533 B2
- Flow control arrangement and method of cleaning such an arrangement19 May 2026US 12,631,258 B2Alfa Laval Corporate AB
- Electromagnetic valve and electromagnetic valve assembly5 May 2026US 12,618,488 B2Zhejiang Dunan Artificial Environment Co., Ltd.
- Repairable valve25 Jun 2026US 2026/0177150 A1Mogas Industries, Inc.
- Tandem gas valve30 Apr 2026US 2026/0117886 A1
- Smart valve monitoring system and method16 Apr 2026US 2026/0104106 A1Pentair Südmo GmbH
- Electronic Expansion Valve16 Apr 2026US 2026/0104188 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Explosion-proof valve and box5 Mar 2026US 2026/0066443 A1Eve Energy Storage Co., Ltd.
Most cited
By later US patents
- Solenoid valve75US 7,347,221 B2Karl Dungs GmbH & Co. KG · 2008
- Three-way-valve72US 5,172,728 AT.H.I. System Corporation · 1992
- Solenoid valve having coaxial armatures in a single coil design49US 6,047,718 AEmersonElectric Co. · 2000
- Fluid control valve and method46US 4,232,695 AThe Garrett Corporation · 1980
- Cleanable sampling valve46US 4,458,543 AOtto Tuchenhagen GmbH & Co. KG · 1984