F16K 15/025
The valve being loaded by a spring
Official title: {the valve being loaded by a spring (F16K15/03 - F16K15/12 take precedence)}
F16K15/025 (The valve being loaded by a spring) appears on 922 US grants and 927 published applications in this corpus.
Search patents in F16K- Granted patents
- 922
- Published applications
- 927
- Assignees
- 648
- Inventors
- 1,969
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 8 |
| 2002 | 14 | 15 |
| 2003 | 12 | 21 |
| 2004 | 13 | 14 |
| 2005 | 12 | 21 |
| 2006 | 9 | 16 |
| 2007 | 17 | 16 |
| 2008 | 9 | 23 |
| 2009 | 8 | 18 |
| 2010 | 15 | 21 |
| 2011 | 11 | 15 |
| 2012 | 14 | 11 |
| 2013 | 9 | 37 |
| 2014 | 16 | 38 |
| 2015 | 26 | 37 |
| 2016 | 38 | 58 |
| 2017 | 39 | 86 |
| 2018 | 48 | 68 |
| 2019 | 82 | 80 |
| 2020 | 68 | 59 |
| 2021 | 68 | 58 |
| 2022 | 55 | 51 |
| 2023 | 45 | 40 |
| 2024 | 46 | 41 |
| 2025 | 41 | 35 |
| 2026 | 22 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-fit encapsulated oscillation dampener for automotive automatic transmissions6 Oct 2026US 12,753,833 B2Superior Transmission Parts, Inc.
- Intelligently controlled pool cycling valve29 Sep 2026US 12,747,796 B1Cox Goettl Valve LLC
- One-way valves15 Sep 2026US 12,736,145 B2Quantum Servo Pumping Technologies Pty Ltd
- Water flow regulation15 Sep 2026US 12,736,147 B2Active Energy Inc.
- Valve cartridge8 Sep 2026US 12,729,593 B2SPM Oil & Gas Inc.
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
- Valve apparatus with a domed valve disc24 Sep 2026US 2026/0287066 A1Wanner Engineering, Inc.
- Improvements in, or relating to valves and methods therefor24 Sep 2026US 2026/0287081 A1
- Fluid end17 Sep 2026US 2026/0275971 A1Kerr Machine Co.
- Discharge control device17 Sep 2026US 2026/0276097 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
Most cited
By later US patents
- Low head to stem ratio poppet valve425US 9,309,978 B2Dresser-Rand Company · 2016
- Entirely uniformly heated responsive cooker143US 5,092,229 A1992
- Check valve124US 5,349,984 AHalkey-Roberts Corporation · 1994
- Valve and seat assembly for a high pressure pump107US 9,631,739 B2Black Horse, LLC · 2017
- Fluid end of a high pressure plunger pump105US 9,732,746 B2Gardner-Denver Company · 2017