F16K 15/065
Spring pulling the closure member against the seat
Official title: {spring pulling the closure member against the seat}
F16K15/065 (Spring pulling the closure member against the seat) appears on 72 US grants and 45 published applications in this corpus.
Search patents in F16K- Granted patents
- 72
- Published applications
- 45
- Assignees
- 62
- Inventors
- 164
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 6 |
| 2022 | 3 | 5 |
| 2023 | 5 | 5 |
| 2024 | 8 | 7 |
| 2025 | 1 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve6 Oct 2026US 12,753,841 B2Neoperl GmbH
- Check valve having pivoting link29 Sep 2026US 12,747,799 B2Zurn Water, LLC
- Adjustable constant pressure device12 May 2026US 12,624,769 B2S-Beam Precision Products Limited
- Cam-arm poppet valve5 May 2026US 12,618,486 B2Acorn Engineering Company
- Float valve with a protective spring27 May 2025US 12,313,175 B1Citadel Casing Solutions LLC
- Overpressure relief device for switchgear5 Feb 2026US 2026/0039098 A1GE Vernova Infrastructure Technology LLC
- Valve22 Jan 2026US 2026/0022772 A1Neoperl GmbH
- Ventilation structure of refrigerant recovery machine4 Dec 2025US 2025/0369526 A1Zhejiang Value Mechanical & Electrical Products Co., Ltd.
- Adjustable constant pressure device24 Jul 2025US 2025/0237319 A1S-Beam Precision Products Limited
- Check valve having pivoting link15 May 2025US 2025/0155038 A1Zurn Water, LLC
Most cited
By later US patents
- Check valve124US 5,349,984 AHalkey-Roberts Corporation · 1994
- In line back flow preventer82US 4,284,097 AAmtrol Inc. · 1981
- Pneumatic valve58US 6,089,251 AZodiac International · 2000
- Stabilizing check valve44US 4,129,144 A1978
- Dispenser head and receptacle fitted therewith42US 6,257,503 B1L'oreal · 2001