F16K 31/402
Acting on a diaphragm
Official title: {acting on a diaphragm}
F16K31/402 (Acting on a diaphragm) appears on 381 US grants and 268 published applications in this corpus.
Search patents in F16K- Granted patents
- 381
- Published applications
- 268
- Assignees
- 190
- Inventors
- 592
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 17 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 7 |
| 2002 | 10 | 6 |
| 2003 | 8 | 9 |
| 2004 | 10 | 12 |
| 2005 | 9 | 12 |
| 2006 | 9 | 5 |
| 2007 | 5 | 9 |
| 2008 | 3 | 12 |
| 2009 | 8 | 15 |
| 2010 | 8 | 10 |
| 2011 | 6 | 12 |
| 2012 | 11 | 10 |
| 2013 | 15 | 16 |
| 2014 | 6 | 14 |
| 2015 | 13 | 6 |
| 2016 | 10 | 10 |
| 2017 | 4 | 16 |
| 2018 | 10 | 15 |
| 2019 | 9 | 10 |
| 2020 | 21 | 14 |
| 2021 | 13 | 11 |
| 2022 | 6 | 10 |
| 2023 | 9 | 7 |
| 2024 | 13 | 8 |
| 2025 | 8 | 8 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve device11 Aug 2026US 12,704,199 B2Kohler Mira Limited
- Proportional fluid flow valve and methods of operating thereof26 May 2026US 12,638,098 B2APPLIED Materials.Inc.
- Ceramic valve core assembly and a self-cleaning ceramic valve core13 Jan 2026US 12,523,308 B2
- Zone control devices, systems and methods16 Dec 2025US 12,498,049 B2Rain Bird Corporation
- Self-powered irrigation systems, generator systems and methods of controlling irrigation4 Nov 2025US 12,463,503 B2Rain Bird Corporation
- Device For Producing Temperature-Controlled Mixed Water13 Aug 2026US 2026/0234917 A1Grohe AG
- Zone Control Devices, Systems And Methods12 Mar 2026US 2026/0071688 A1Rain Bird Corporation
- Self-cleaning flow control valve26 Feb 2026US 2026/0053102 A1K-Rain Manufacturing Corp.
- Self-powered irrigation systems, generator systems and methods of controlling irrigation26 Feb 2026US 2026/0058526 A1Rain Bird Corporation
- Zone Control Devices, Systems And Methods2 Oct 2025US 2025/0305590 A1Rain Bird Corporation
Most cited
By later US patents
- Flush valve with an electronic sensor and solenoid valve133US 4,793,588 ACoyne & Delany Co. · 1988
- Sensor-operated battery-powered flush valve123US 5,169,118 ASloan Valve Company · 1992
- Shower device116US 5,121,511 AMatsushita Electric Works, Ltd. · 1992
- Automatic valve assembly112US 5,431,181 AZurn Industries, LLC · 1995
- Reliable flush valve105US 6,000,674 A1999