F16K 31/047
Characterised by mechanical means between the motor and the valve
Official title: {characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means (F16K31/043 takes precedence)}
F16K31/047 (Characterised by mechanical means between the motor and the valve) appears on 560 US grants and 624 published applications in this corpus.
Search patents in F16K- Granted patents
- 560
- Published applications
- 624
- Assignees
- 370
- Inventors
- 1,280
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 3 |
| 2003 | 4 | 6 |
| 2004 | 6 | 12 |
| 2005 | 10 | 17 |
| 2006 | 11 | 19 |
| 2007 | 7 | 9 |
| 2008 | 9 | 8 |
| 2009 | 3 | 12 |
| 2010 | 6 | 17 |
| 2011 | 9 | 15 |
| 2012 | 14 | 18 |
| 2013 | 12 | 14 |
| 2014 | 13 | 12 |
| 2015 | 18 | 23 |
| 2016 | 16 | 39 |
| 2017 | 16 | 33 |
| 2018 | 29 | 37 |
| 2019 | 37 | 44 |
| 2020 | 45 | 59 |
| 2021 | 43 | 40 |
| 2022 | 41 | 40 |
| 2023 | 20 | 46 |
| 2024 | 66 | 26 |
| 2025 | 35 | 31 |
| 2026 | 20 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotor tube assembly for a fluid valve actuator and method for assembling a rotor tube assembly29 Sep 2026US 12,747,805 B2Danfoss A/S
- Electronic relief valve device22 Sep 2026US 12,742,503 B2
- Systems and methods for a thermal management control valve with a louver plate assembly8 Sep 2026US 12,729,771 B2HUSCO Automotive Holdings LLC
- Valve for a rocket engine28 Jul 2026US 12,692,949 B2Arianegroup SAS
- Multi valve electrical actuator28 Jul 2026US 12,692,957 B2Vetco Gray Scandinavia.AS
- Actuator with electric motor8 Oct 2026US 2026/0309250 A1AUMA Riester GmbH & Co. KG
- Actuator for automation technology1 Oct 2026US 2026/0298363 A1AUMA Riester GmbH & Co. KG
- Motor-operated valve and valve device1 Oct 2026US 2026/0298364 A1Fujikoki Corporation
- Motor-operated valve1 Oct 2026US 2026/0298365 A1Fujikoki Corporation
- Electronic expansion valve24 Sep 2026US 2026/0287227 A1Zhejiang Dunan Artificial Environment Co., Ltd.
Most cited
By later US patents
- Rotary solenoid operated proportional flow control valve56US 6,053,472 AEaton Corporation · 2000
- Magnetically actuated rising stem valve53US 4,274,444 AAutoclave Engineers, Inc. · 1981
- Modular control apparatus for water treatment system46US 6,206,042 B1Chemical Engineering Corporation · 2001
- Actuator45US 6,028,384 ACei · 2000
- Spring return electric actuator42US 5,518,462 AJordan Controls, Inc. · 1996