F16K 31/041
For rotating valves
Official title: {for rotating valves (F16K31/055 takes precedence)}
F16K31/041 (For rotating valves) appears on 989 US grants and 1,072 published applications in this corpus.
Search patents in F16K- Granted patents
- 989
- Published applications
- 1,072
- Assignees
- 555
- Inventors
- 2,090
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 3 |
| 2002 | 9 | 12 |
| 2003 | 18 | 11 |
| 2004 | 13 | 22 |
| 2005 | 16 | 15 |
| 2006 | 12 | 11 |
| 2007 | 11 | 18 |
| 2008 | 7 | 20 |
| 2009 | 10 | 14 |
| 2010 | 13 | 19 |
| 2011 | 7 | 17 |
| 2012 | 16 | 27 |
| 2013 | 15 | 25 |
| 2014 | 19 | 28 |
| 2015 | 24 | 30 |
| 2016 | 27 | 37 |
| 2017 | 42 | 93 |
| 2018 | 53 | 88 |
| 2019 | 82 | 77 |
| 2020 | 77 | 82 |
| 2021 | 76 | 76 |
| 2022 | 71 | 77 |
| 2023 | 55 | 82 |
| 2024 | 73 | 75 |
| 2025 | 82 | 65 |
| 2026 | 51 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve device29 Sep 2026US 12,747,797 B2Denso Corporation
- Flow rate control device15 Sep 2026US 12,736,150 B2Toflo Corporation
- Torque limiter coupling assembly for valve actuators8 Sep 2026US 12,729,776 B2Watts Regulator Co.
- Precision opening and closing mechanism for valves25 Aug 2026US 12,716,514 B2
- Systems and methods for operating a ball valve25 Aug 2026US 12,717,356 B2WCM Industries, Inc.
- Multi-way switching valve device8 Oct 2026US 2026/0309240 A1Mikuni Corporation
- Fluid control device and manufacturing method therefor, and fluid control system1 Oct 2026US 2026/0298250 A1Zhejiang Sanhua Automotive Components Co., Ltd.
- Motor-operated valve1 Oct 2026US 2026/0298365 A1Fujikoki Corporation
- Multi-Way Valve24 Sep 2026US 2026/0287078 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Fluid-dispensing motorized valve and associated manufacturing method24 Sep 2026US 2026/0287079 A1Vernet
Most cited
By later US patents
- Motorized diverter valve103US 4,398,562 ARichdel, Inc. · 1983
- In-line incremetally adjustable electronic expansion valve96US 5,417,083 AAmerican Standard Inc. · 1995
- Pendulum valve assembly79US 6,089,537 AMKS Instruments, Inc. · 2000
- Removable and interchangeable valve actuator system75US 6,073,907 AErie Manufacturing Company · 2000
- Valve system for servo control of fluid flows68US 6,854,658 B1American Standard International Inc. · 2005