F16K 15/1481
With biasing means in addition to material resiliency
Official title: {with biasing means in addition to material resiliency, e.g. spring}
F16K15/1481 (With biasing means in addition to material resiliency) appears on 26 US grants and 22 published applications in this corpus.
Search patents in F16K- Granted patents
- 26
- Published applications
- 22
- Assignees
- 20
- Inventors
- 44
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vent with relief valve29 Sep 2026US 12,747,800 B2Donaldson Company, Inc.
- Vent with relief valve3 Sep 2024US 12,078,265 B2Donaldson Company, Inc.
- Vent with relief valve4 Jul 2023US 11,692,644 B2Donaldson Company, Inc.
- Valve assemblies to supply fluid pressure to components in multiple transmission operating modes29 Nov 2022US 11,512,720 B2Allison Transmission, Inc.
- Vent with relief valve29 Jun 2021US 11,047,508 B2Donaldson Company, Inc.
- Pneumatic valve29 Jan 2026US 2026/0029063 A1Conti Temic microelectronic GmbH
- Valve device1 Jan 2026US 2026/0002529 A1Mikuni Corporation
- Venting device and battery pack with the same24 Apr 2025US 2025/0132450 A1Samsung SDI.Co., Ltd.
- Vent with relief valve28 Nov 2024US 2024/0392893 A1Donaldson Company, Inc.
- Connecting rod spring diaphragm check valve17 Oct 2024US 2024/0344623 A1Xiamen Koge Micro Tech Co., Ltd.
Most cited
By later US patents