F16K 3/34
Arrangements for modifying the way in which the rate of flow varies
Official title: Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
F16K3/34 (Arrangements for modifying the way in which the rate of flow varies) appears on 174 US grants and 132 published applications in this corpus.
Search patents in F16K- Granted patents
- 174
- Published applications
- 132
- Assignees
- 140
- Inventors
- 387
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 6 |
| 2004 | 4 | 1 |
| 2005 | 3 | 3 |
| 2006 | 3 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 8 |
| 2015 | 6 | 3 |
| 2016 | 5 | 5 |
| 2017 | 5 | 6 |
| 2018 | 2 | 9 |
| 2019 | 4 | 10 |
| 2020 | 11 | 14 |
| 2021 | 8 | 11 |
| 2022 | 13 | 10 |
| 2023 | 6 | 10 |
| 2024 | 12 | 7 |
| 2025 | 9 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Liquid flow splitter108US 4,319,608 A1982
- High energy loss nested sleeve fluid control device65US 3,954,124 A1976
- Combination gravimetric and volumetric dispenser for multiple fluids65US 6,991,004 B2Fluid Management, Inc. · 2006
- Low noise valve trim61US 3,990,475 AHoneywell Inc. · 1976
- Thermostatic mixing faucet having improved stability49US 6,517,006 B1Masco Corporation · 2003