F16L 55/027
Throttle passages
F16L55/027 (Throttle passages) appears on 401 US grants and 390 published applications in this corpus.
Search patents in F16L- Granted patents
- 401
- Published applications
- 390
- Assignees
- 327
- Inventors
- 907
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 6 |
| 2003 | 7 | 8 |
| 2004 | 2 | 4 |
| 2005 | 3 | 5 |
| 2006 | 6 | 8 |
| 2007 | 4 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 12 |
| 2010 | 4 | 7 |
| 2011 | 2 | 12 |
| 2012 | 6 | 16 |
| 2013 | 8 | 19 |
| 2014 | 9 | 24 |
| 2015 | 20 | 20 |
| 2016 | 18 | 26 |
| 2017 | 19 | 31 |
| 2018 | 20 | 26 |
| 2019 | 32 | 20 |
| 2020 | 25 | 34 |
| 2021 | 21 | 28 |
| 2022 | 15 | 22 |
| 2023 | 26 | 21 |
| 2024 | 21 | 15 |
| 2025 | 14 | 4 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 55/02709In the form of perforated plates126
- F16L 55/02772Using spirally or helically shaped channels57
- F16L 55/02781The regulating element being provided with radial outputs36
- F16L 55/02736Using transversal baffles defining a tortuous path35
- F16L 55/02763Using an element with multiple tubes32
- F16L 55/02754Using a central core throttling the passage29
- F16L 55/0279The fluid flowing two or more times longitudinally in opposite directions10
- F16L 55/02745By passing through a mass of particles or a porous member7
Recent patents
- Fluid flow control devices and systems, and methods of flowing fluids1 Sep 2026US 12,723,676 B2Flowserve Pte. Ltd.
- Apparatuses, systems, and methods for efficient fluid transfer18 Aug 2026US 12,710,064 B2Amptech Innovations LLC
- Drum-type washing machine14 Jul 2026US 12,680,214 B2Samsung Electronics Co., Ltd.
- System pulsation dampener device(s)26 May 2026US 12,638,119 B2Performance Pulsation Control, Inc.
- Water processor19 May 2026US 12,631,279 B2Rapid Water Technologies LLC
- Projection member, piping member, and piping system24 Sep 2026US 2026/0287108 A1Panasonic Intellectual Property Management Co., Ltd.
- Silencer and lithographic apparatus thermal conditioning system27 Aug 2026US 2026/0251255 A1ASML Netherlands B. V.
- Fluid piping6 Aug 2026US 2026/0227020 A1Nissan Motor Co., Ltd.
- Pressure Diffuser for Use with a Fluid System9 Jul 2026US 2026/0194077 A1The Boeing Company
- Pressure fitting for material flows, method for operating pressure fittings, and use9 Apr 2026US 2026/0098552 A1
Most cited
By later US patents
- Flow conditioner94US 5,341,848 ASalford University Business Services Limited · 1994
- Constant pressure variable flow pump90US 4,931,050 AShiley Infusaid Inc. · 1990
- Fluid flow apparatus for accommodating a pressure drop77US 4,375,841 AFluid Kinetics, Inc. · 1983
- Motionless mixer65US 4,514,095 AKernforschungszentrum Karlsruhe GmbH · 1985
- Arrangement in a media-conducting unit59US 5,312,083 A1994