F16K 31/006
Having a free end
Official title: {having a free end}
F16K31/006 (Having a free end) appears on 83 US grants and 62 published applications in this corpus.
Search patents in F16K- Granted patents
- 83
- Published applications
- 62
- Assignees
- 60
- Inventors
- 177
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 5 |
| 2004 | 6 | 6 |
| 2005 | 3 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 4 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 4 |
| 2015 | 0 | 3 |
| 2016 | 4 | 0 |
| 2017 | 2 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Independent dual actuation piezo valve for magnetic resonance environments18 Aug 2026US 12,710,107 B2Koninklijke Philips N. V.
- Systems and methods for piezo valves4 Aug 2026US 12,698,843 B2Aventics GmbH
- Peizoelectric valve assembly14 Jul 2026US 12,680,621 B2Humphrey Products Company
- Method for operating a fluid system and fluid system3 Feb 2026US 12,540,684 B2Festo AG & Co.
- Piezoelectric mems valve for an electronic device5 Aug 2025US 12,382,833 B2Apple Inc.
- Piezoelectric valve6 Aug 2026US 2026/0226993 A1Camozzi Automation S.P.A.
- Piezoelectric valve21 May 2026US 2026/0139755 A1SMC Corporation
- Piezoelectric valve21 May 2026US 2026/0139756 A1SMC Corporation
- Independent dual actuation piezo valve for magnetic resonance environments19 Jun 2025US 2025/0198530 A1Koninklijke Philips N. V.
- Method for operating a fluid system and fluid system15 May 2025US 2025/0155044 A1Festo AG & Co.
Most cited
By later US patents
- Inflation control system165US 5,570,716 ADEKA Products Limited Partnership · 1996
- Micro mass flow control apparatus and method103US 6,062,256 AEngineering Measurements Company · 2000
- Piezoelectric fluid control device92US 4,450,375 AKiwi Coders Corporation · 1984
- High flow valve85US 5,447,286 ADEKA Products Limited Partnership · 1995
- Simplified piezoelectric valve78US 6,164,621 ADEKA Products Limited Partnership · 2000