F16K 15/063
The valve being loaded by a spring
Official title: {the valve being loaded by a spring}
F16K15/063 (The valve being loaded by a spring) appears on 1,038 US grants and 854 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,038
- Published applications
- 854
- Assignees
- 673
- Inventors
- 1,849
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 10 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 18 | 0 |
| 1986 | 11 | 0 |
| 1987 | 18 | 0 |
| 1988 | 19 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 17 | 9 |
| 2002 | 18 | 18 |
| 2003 | 24 | 30 |
| 2004 | 17 | 31 |
| 2005 | 26 | 22 |
| 2006 | 14 | 31 |
| 2007 | 19 | 16 |
| 2008 | 15 | 12 |
| 2009 | 7 | 14 |
| 2010 | 7 | 18 |
| 2011 | 9 | 16 |
| 2012 | 15 | 22 |
| 2013 | 16 | 26 |
| 2014 | 17 | 29 |
| 2015 | 17 | 31 |
| 2016 | 37 | 37 |
| 2017 | 37 | 44 |
| 2018 | 24 | 41 |
| 2019 | 39 | 51 |
| 2020 | 43 | 53 |
| 2021 | 45 | 44 |
| 2022 | 47 | 64 |
| 2023 | 54 | 59 |
| 2024 | 62 | 61 |
| 2025 | 54 | 40 |
| 2026 | 42 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve6 Oct 2026US 12,753,841 B2Neoperl GmbH
- Braided flexible pipe assembly6 Oct 2026US 12,753,863 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Check valve having pivoting link29 Sep 2026US 12,747,799 B2Zurn Water, LLC
- Water flow regulation15 Sep 2026US 12,736,147 B2Active Energy Inc.
- Axially and rotationally locked modular valve assembly system1 Sep 2026US 12,723,487 B2Weatherford Technology Holdings, LLC
- Shut-off valve, in particular for shutting off gas.1 Oct 2026US 2026/0298358 A1Cimberio Holding S.R.L.
- Check valve1 Oct 2026US 2026/0298359 A1Proserv Gilmore Valve LLC
- Valve device24 Sep 2026US 2026/0287064 A1
- Valve apparatus with a domed valve disc24 Sep 2026US 2026/0287066 A1Wanner Engineering, Inc.
- An extensible tubing and a method of facilitating transfer of fluid27 Aug 2026US 2026/0251026 A1MH Tech AS
Most cited
By later US patents
- Low head to stem ratio poppet valve425US 9,309,978 B2Dresser-Rand Company · 2016
- Spring loaded exhalation valve154US 4,298,023 A1981
- Valve seats for use in fracturing pumps131US 9,822,894 B2S,P.M. Flow Control, Inc. · 2017
- Mud pump valve125US 5,088,521 AHarrisburg, Inc. · 1992
- Check valve124US 5,349,984 AHalkey-Roberts Corporation · 1994