F16K 17/30
Spring-loaded
Official title: spring-loaded
F16K17/30 (Spring-loaded) appears on 322 US grants and 314 published applications in this corpus.
Search patents in F16K- Granted patents
- 322
- Published applications
- 314
- Assignees
- 234
- Inventors
- 647
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 9 |
| 2005 | 5 | 12 |
| 2006 | 7 | 12 |
| 2007 | 12 | 8 |
| 2008 | 8 | 8 |
| 2009 | 5 | 8 |
| 2010 | 6 | 14 |
| 2011 | 3 | 5 |
| 2012 | 3 | 7 |
| 2013 | 4 | 15 |
| 2014 | 7 | 12 |
| 2015 | 14 | 17 |
| 2016 | 17 | 12 |
| 2017 | 8 | 14 |
| 2018 | 9 | 23 |
| 2019 | 20 | 17 |
| 2020 | 17 | 18 |
| 2021 | 16 | 13 |
| 2022 | 14 | 20 |
| 2023 | 13 | 19 |
| 2024 | 25 | 18 |
| 2025 | 14 | 17 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive modulating design for fast responding control valves for high pressure gas applications28 Jul 2026US 12,693,690 B2Kalsi Engineering, Inc.
- Combination regulator valve26 May 2026US 12,638,093 B2Engineered Controls International, LLC
- Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud31 Mar 2026US 12,590,641 B2Watts Regulator Co.
- Breakaway valve for a cryogenic fluid tank3 Mar 2026US 12,565,957 B2Engineered Controls International, LLC
- Pressure regulating valve with piston17 Feb 2026US 12,553,530 B2
- Valves and control systems for clean fluid pressure equalization and de-energization10 Sep 2026US 2026/0266387 A1E3 LLC
- Excess flow valve device and valve assembly30 Jul 2026US 2026/0218802 A1Jtekt Corporation
- Thermostat device25 Jun 2026US 2026/0177153 A1
- Pressure regulating valve with piston4 Jun 2026US 2026/0153161 A1Maruyama Mfg.Co., Inc.
- Systems and methods for autonomous pressure relief valve testing23 Apr 2026US 2026/0110370 A1
Most cited
By later US patents
- Pneumatic powered autoinjector94US 7,654,983 B2Johnson & Johnson Vision Care, Inc. · 2010
- Actuator for an appliance associated with a ducted body, especially a drill rod74US 4,821,817 AS.M.F. International · 1989
- Remote control actuation device67US 4,951,760 AS.M.F. International · 1990
- Water appliance having a flow control unit and a filter assembly63US 8,596,293 B2Koninklijke Philips N. V. · 2013
- Endoscope pressure equalization system and method61US 5,634,880 AJohnson & Johnson Medical, Inc. · 1997