F16K 31/44
Mechanical actuating means
F16K31/44 (Mechanical actuating means) appears on 4,056 US grants and 3,882 published applications in this corpus.
Search patents in F16K- Granted patents
- 4,056
- Published applications
- 3,882
- Assignees
- 2,136
- Inventors
- 7,374
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 47 | 0 |
| 1977 | 34 | 0 |
| 1978 | 30 | 0 |
| 1979 | 22 | 0 |
| 1980 | 34 | 0 |
| 1981 | 31 | 0 |
| 1982 | 31 | 0 |
| 1983 | 16 | 0 |
| 1984 | 33 | 0 |
| 1985 | 33 | 0 |
| 1986 | 34 | 0 |
| 1987 | 34 | 0 |
| 1988 | 33 | 0 |
| 1989 | 38 | 0 |
| 1990 | 41 | 0 |
| 1991 | 29 | 0 |
| 1992 | 28 | 0 |
| 1993 | 17 | 0 |
| 1994 | 37 | 0 |
| 1995 | 29 | 0 |
| 1996 | 24 | 0 |
| 1997 | 24 | 0 |
| 1998 | 34 | 0 |
| 1999 | 37 | 0 |
| 2000 | 59 | 0 |
| 2001 | 58 | 24 |
| 2002 | 63 | 28 |
| 2003 | 33 | 48 |
| 2004 | 54 | 70 |
| 2005 | 61 | 77 |
| 2006 | 65 | 86 |
| 2007 | 58 | 69 |
| 2008 | 42 | 80 |
| 2009 | 45 | 89 |
| 2010 | 50 | 71 |
| 2011 | 49 | 67 |
| 2012 | 64 | 101 |
| 2013 | 63 | 130 |
| 2014 | 89 | 142 |
| 2015 | 123 | 189 |
| 2016 | 154 | 253 |
| 2017 | 184 | 263 |
| 2018 | 202 | 241 |
| 2019 | 247 | 265 |
| 2020 | 252 | 317 |
| 2021 | 269 | 252 |
| 2022 | 250 | 228 |
| 2023 | 226 | 232 |
| 2024 | 249 | 234 |
| 2025 | 185 | 167 |
| 2026 | 112 | 159 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 31/52With crank, eccentric, or cam1,081
- F16K 31/60Handles1,032
- F16K 31/53With toothed gearing796
- F16K 31/50With screw-spindle or internally threaded actuating means631
- F16K 31/56Without stable intermediate position337
- F16K 31/46For remote operation315
- F16K 31/48Actuated by mechanical timing-device69
- F16K 31/445With exterior sleeve67
All 10 subgroupsShow fewer
Recent patents
- System of valves for cell culture machine6 Oct 2026US 12,753,847 B2Cellaven
- Cam driven fluid valve assembly6 Oct 2026US 12,753,856 B2Robert Bosch GmbH
- Subsea actuation sub-system29 Sep 2026US 12,747,650 B2TechnipFMC Norge AS
- Fluid couplings29 Sep 2026US 12,747,815 B2Colder Products Company
- Ball valve with endurance enhancing features22 Sep 2026US 12,742,504 B2Precision Engine Controls Corporation
- Actuator with electric motor8 Oct 2026US 2026/0309250 A1AUMA Riester GmbH & Co. KG
- Cam driven fluid valve assembly1 Oct 2026US 2026/0298351 A1
- Water Control Valve1 Oct 2026US 2026/0298357 A1Hain Yo Enterprises Co., Ltd.
- 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
Most cited
By later US patents
- Gate valve530US 6,299,133 B2SMC Corporation · 2001
- Metering valve516US 4,164,959 AThe Salk Institute for Biological Studies · 1979
- Valve lockout/tag out system516US 6,494,065 B2Babbitt Steam Specialty Company · 2002
- Upright extraction cleaning machine240US 6,131,237 ABISSELL Homecare, Inc. · 2000
- Fluid flow control182US 5,009,251 ABaxter International Inc. · 1991