F16K 17/196
Spring-loaded
Official title: spring-loaded
F16K17/196 (Spring-loaded) appears on 198 US grants and 166 published applications in this corpus.
Search patents in F16K- Granted patents
- 198
- Published applications
- 166
- Assignees
- 170
- Inventors
- 384
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 3 |
| 2003 | 3 | 4 |
| 2004 | 1 | 2 |
| 2005 | 1 | 6 |
| 2006 | 6 | 7 |
| 2007 | 4 | 5 |
| 2008 | 2 | 6 |
| 2009 | 4 | 6 |
| 2010 | 2 | 5 |
| 2011 | 0 | 10 |
| 2012 | 3 | 3 |
| 2013 | 9 | 7 |
| 2014 | 4 | 10 |
| 2015 | 8 | 7 |
| 2016 | 10 | 10 |
| 2017 | 4 | 6 |
| 2018 | 8 | 9 |
| 2019 | 9 | 7 |
| 2020 | 9 | 12 |
| 2021 | 8 | 7 |
| 2022 | 9 | 9 |
| 2023 | 6 | 7 |
| 2024 | 8 | 6 |
| 2025 | 6 | 8 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Check valve and use thereof in a fluid system25 Aug 2026US 12,716,509 B2Vitesco Technologies GmbH
- Radiator cap14 Jul 2026US 12,680,619 B2Coplus Inc.
- Balance valve, battery and power consumption apparatus7 Apr 2026US 12,595,859 B2Contemporary Amperex Technology (Hong Kong) Limited
- Balance valve, battery and power consumption apparatus7 Apr 2026US 12,595,860 B2Contemporary Amperex Technology (Hong Kong) Limited
- Pressure vacuum valve7 Apr 2026US 12,595,861 B2Franklin Fueling Systems, Inc.
- Pressure relief valve9 Apr 2026US 2026/0098589 A1Aisan Kogyo Kabushiki Kaisha
- Valve drive and process valve22 Jan 2026US 2026/0022780 A1GEMÜ Gebr. Müller Apparatebau GmbH & Co. Kommanditgesellschaft
- Radiator cap27 Nov 2025US 2025/0361944 A1Coplus Inc.
- Multi-function valve assemblies6 Nov 2025US 2025/0341260 A1Ford Global Technologies, LLC
- Pressure driven fluid delivery system7 Aug 2025US 2025/0251051 A1Zulu Pods, Inc.
Most cited
By later US patents
- Safety and venting cap for vehicle fuel tanks206US 4,457,325 AGT Development Corporation · 1984
- Bi-directional vent and overpressure relief valve153US 5,249,598 AVernay Laboratories, Inc. · 1993
- Check valve75US 5,183,075 A1993
- Endoscope pressure equalization system and method61US 5,634,880 AJohnson & Johnson Medical, Inc. · 1997
- Automotive returnless fuel system pressure valve52US 5,477,829 AFord Motor Company · 1995