F16K 31/0668
Sliding valves
Official title: {Sliding valves}
F16K31/0668 (Sliding valves) appears on 197 US grants and 180 published applications in this corpus.
Search patents in F16K- Granted patents
- 197
- Published applications
- 180
- Assignees
- 150
- Inventors
- 474
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 1 |
| 2003 | 3 | 9 |
| 2004 | 14 | 9 |
| 2005 | 3 | 4 |
| 2006 | 3 | 8 |
| 2007 | 3 | 2 |
| 2008 | 2 | 6 |
| 2009 | 3 | 4 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 5 |
| 2013 | 4 | 5 |
| 2014 | 4 | 9 |
| 2015 | 2 | 11 |
| 2016 | 10 | 6 |
| 2017 | 18 | 13 |
| 2018 | 9 | 11 |
| 2019 | 7 | 10 |
| 2020 | 11 | 11 |
| 2021 | 9 | 10 |
| 2022 | 7 | 15 |
| 2023 | 13 | 5 |
| 2024 | 7 | 7 |
| 2025 | 4 | 1 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electro-hydraulic valve for proportional control of spring apply hydraulic release (SAHR) brakes4 Aug 2026US 12,697,955 B2Zf Off-Highway Solutions Minnesota Inc.
- Variable flow check valve device, suspension valve, vehicle suspension system and method4 Nov 2025US 12,460,732 B2ETO Magnetic GmbH
- Method for switching an electromagnetically actuated hydraulic valve and hydraulic valve2 Sep 2025US 12,404,943 B2HAWE Hydraulik SE
- Process component29 Jul 2025US 12,372,163 B2GEA Tuchenhagen GmbH
- Packaging machine with coaxial valve3 Jun 2025US 12,319,453 B2Multivac Sepp Haggenmueller SE & Co. KG
- Electric bleed off valve assembly8 Oct 2026US 2026/0309251 A1FMC Technologies, Inc.
- Stable Electro-Magnetic Valve for Intentional Leak or Tuning Applications24 Sep 2026US 2026/0292389 A1Apple Inc.
- Switching valve and switching unit for switching at least two fluid channels18 Jun 2026US 2026/0168579 A1Mann+Hummel GmbH
- Multi-way valve for controlling a flow of a fluid18 Jun 2026US 2026/0168591 A1Volkswagen Aktiengesellschaft
- Suction pressure regulating valve and parallel compressor system18 Jun 2026US 2026/0169508 A1Danfoss (Tianjin) Ltd.
Most cited
By later US patents
- Fully-electrically driven downhole safety valve149US 10,989,019 B2China University of Petroleum (East China) · 2021
- Electrically controlled pressure relief valve and system and method for controlling same95US 7,299,112 B2ActiveShock, Inc. · 2007
- Variable orifice flow regulator40US 5,020,774 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1991
- Expansion valve35US 4,548,047 AHitachi, Ltd. · 1985
- Fluid control valve30US 5,011,113 AApplied Power Inc. · 1991