F16K 31/16
With a mechanism, other than pulling-or pushing-rod, between fluid motor and closure
Official title: with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member (with float F16K31/18)
F16K31/16 (With a mechanism, other than pulling-or pushing-rod, between fluid motor and closure) appears on 471 US grants and 355 published applications in this corpus.
Search patents in F16K- Granted patents
- 471
- Published applications
- 355
- Assignees
- 293
- Inventors
- 841
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 1 |
| 2003 | 5 | 9 |
| 2004 | 6 | 8 |
| 2005 | 6 | 11 |
| 2006 | 8 | 6 |
| 2007 | 6 | 6 |
| 2008 | 3 | 9 |
| 2009 | 5 | 9 |
| 2010 | 8 | 12 |
| 2011 | 6 | 10 |
| 2012 | 7 | 10 |
| 2013 | 8 | 11 |
| 2014 | 8 | 15 |
| 2015 | 13 | 19 |
| 2016 | 15 | 28 |
| 2017 | 17 | 28 |
| 2018 | 25 | 29 |
| 2019 | 21 | 25 |
| 2020 | 30 | 29 |
| 2021 | 22 | 13 |
| 2022 | 22 | 20 |
| 2023 | 14 | 22 |
| 2024 | 19 | 15 |
| 2025 | 22 | 7 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve control device18 Aug 2026US 12,710,110 B2Alfa Laval Corporate AB
- Diagnostic method, diagnostic device and process valve assembly11 Aug 2026US 12,704,198 B2Festo AG & Co.
- Rotary flow control apparatus19 May 2026US 12,631,082 B1Tempress Technologies, Inc.
- Connecting rod drive mechanism for water discharge valve and water discharge valve having said mechanism14 Apr 2026US 12,601,421 B2Xiamen R&T Plumbing Technology Co., Ltd.
- Flow-rate control valve actuator10 Mar 2026US 12,571,485 B2Koganei Corporation
- Valve24 Sep 2026US 2026/0287082 A1Fujikin Incorporated
- Gate valve with speed controller using cda4 Jun 2026US 2026/0153164 A1ASM IP Holding B. V.
- Torque limiter coupling assembly for valve actuators15 Jan 2026US 2026/0016102 A1Watts Regulator Co.
- Valve Actuator Device for Fluid Flow Control20 Nov 2025US 2025/0354622 A1Batfer Investment S.A.
- Rotary actuated shear and seal valve2 Oct 2025US 2025/0305385 A1Nxl Technologies Inc.
Most cited
By later US patents
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Rotatable ball valve apparatus and method98US 4,681,133 AHydril Company · 1987
- Rotatable ball valve apparatus and method82US 4,703,807 AHydril Company · 1987
- Valve actuator66US 3,982,725 AKeystone International, Inc. · 1976
- Valve operators64US 4,869,459 A1989