F16K 47/06
With a throttle in the form of a helical channel
Official title: with a throttle in the form of a helical channel
F16K47/06 (With a throttle in the form of a helical channel) appears on 29 US grants and 21 published applications in this corpus.
Search patents in F16K- Granted patents
- 29
- Published applications
- 21
- Assignees
- 32
- Inventors
- 61
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid flow control devices and systems, and methods of flowing fluids1 Sep 2026US 12,723,676 B2Flowserve Pte. Ltd.
- Micro-flow throttling device27 Jan 2026US 12,535,152 B2Shanghai Institute of Space Propulsion
- Medical pump device for conveying a medical fluid24 Dec 2024US 12,171,981 B2B. Braun Melsungen AG
- Capacity control valve7 Mar 2023US 11,598,437 B2Eagle Industry Co., Ltd.
- Apparatus for noise reduction in valves13 Dec 2022US 11,525,525 B2Fisher Controls International LLC
- Valve trim apparatus to reduce cavitation in valves3 Sep 2026US 2026/0258883 A1Emerson Process Management (Tianjin) Valves Co., Ltd.
- Micro-flow throttling device27 Feb 2025US 2025/0067356 A1Shanghai Institute of Space Propulsion
- Fluid flow control devices and systems, and methods of flowing fluids16 Feb 2023US 2023/0048962 A1Flowserve Management Company
- Apparatus for noise reduction in valves2 Jun 2022US 2022/0170569 A1Fisher Controls International LLC
- Capacity control valve19 May 2022US 2022/0154837 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Low noise valve trim61US 3,990,475 AHoneywell Inc. · 1976
- Drip irrigation valve with helical flow path51US 3,998,244 A1976
- Apparatus for regulating the flow of fluid in medical apparatus47US 4,634,434 ABiomedical Dynamics Corporation · 1987
- Flow regulator32US 4,176,683 AKoninklijke Emballage Industrie Van Leer B. V. · 1979
- High energy loss fluid flow control device31US 4,044,991 AConsolidated Controls Corporation · 1977