F16K 15/067
Stem guided at two or more points
Official title: {stem guided at two or more points}
F16K15/067 (Stem guided at two or more points) appears on 20 US grants and 22 published applications in this corpus.
Search patents in F16K- Granted patents
- 20
- Published applications
- 22
- Assignees
- 21
- Inventors
- 60
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 7 |
| 2023 | 4 | 7 |
| 2024 | 7 | 5 |
| 2025 | 1 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relief valve assembly14 Apr 2026US 12,601,418 B2Zurn Water, LLC
- Bypass valves for pool heaters31 Mar 2026US 12,590,642 B2Rheem Manufacturing Company
- Wheel valve assembly for tire inflation/deflation system13 Jan 2026US 12,522,029 B2Parker-Hannifin Corporation
- Check valve6 May 2025US 12,292,124 B2Ishizaki Co., Ltd.
- Fluidic connection device and non-return insert valve for vehicles30 Jul 2024US 12,049,969 B2Hutchinson
- Non-return valve for an aircraft gas distribution system, and corresponding system9 Oct 2025US 2025/0313344 A1Safran Aerosystems
- Pressure relief valve and adsorbent chamber for two-phase immersion cooling systems and methods for using same5 Dec 2024US 2024/0404916 A1MTS IP Holdings Ltd
- Check valve11 Jul 2024US 2024/0229949 A9Ishizaki Co., Ltd.
- Check valve25 Apr 2024US 2024/0133474 A1Ishizaki Co., Ltd.
- Bypass valves for pool heaters28 Mar 2024US 2024/0102565 A1Rheem Manufacturing Company
Most cited
By later US patents
- Vacuum check valve and method of control25US 4,886,085 AGeneral Motors Corporation · 1989
- Pressure-sustaining valve11US 4,312,376 ATransamerica DeLaval Inc. · 1982
- FCC feed injector with closure plug7US 6,346,219 B1Uop LLC · 2002
- Safety valve with vibration-damped valve spring4US 4,357,956 ABopp & Reuther GmbH · 1982
- Check valve1US 12,000,493 B2Swagelok Company · 2024