F16K 31/1262
One side of the diaphragm being spring loaded
Official title: {one side of the diaphragm being spring loaded}
F16K31/1262 (One side of the diaphragm being spring loaded) appears on 306 US grants and 288 published applications in this corpus.
Search patents in F16K- Granted patents
- 306
- Published applications
- 288
- Assignees
- 188
- Inventors
- 561
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 6 |
| 2005 | 2 | 6 |
| 2006 | 6 | 5 |
| 2007 | 3 | 3 |
| 2008 | 1 | 11 |
| 2009 | 0 | 10 |
| 2010 | 6 | 12 |
| 2011 | 5 | 9 |
| 2012 | 7 | 15 |
| 2013 | 8 | 14 |
| 2014 | 16 | 12 |
| 2015 | 17 | 20 |
| 2016 | 14 | 15 |
| 2017 | 15 | 26 |
| 2018 | 18 | 18 |
| 2019 | 29 | 26 |
| 2020 | 18 | 14 |
| 2021 | 12 | 15 |
| 2022 | 13 | 10 |
| 2023 | 19 | 13 |
| 2024 | 13 | 10 |
| 2025 | 8 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Diaphragm valve formed using additive manufacture18 Aug 2026US 12,710,102 B2Neptune Technology Group Inc.
- Apparatus and method for combustion of natural gas from pneumatic controllers28 Jul 2026US 12,693,010 B2
- Flow control valve with rolling diaphragm12 May 2026US 12,624,772 B2Griswold Controls, LLC
- Diaphragm bead configuration5 May 2026US 12,618,481 B2Acorn Engineering Company
- Differential pressure regulator28 Apr 2026US 12,612,978 B2Warner Engineering, Inc.
- High flow intelligent positioner6 Aug 2026US 2026/0226999 A1Sti Co., Ltd.
- Proportional Vacuum Valve Apparatus30 Jul 2026US 2026/0218809 A1Parker Hannifin EMEA S.à.r.l.
- Linkage-type constant-pressure valve23 Jul 2026US 2026/0211434 A1Asahi Yukizai Corporation
- Gas inlet valve having a bellows drive16 Jul 2026US 2026/0201975 A1VAT Holding AG
- Valve11 Jun 2026US 2026/0160356 A1Kane Kogyo Co., Ltd.
Most cited
By later US patents
- Film processing system434US 6,296,711 B1CVD Systems, Inc. · 2001
- Valve positioner with pressure feedback, dynamic correction and diagnostics203US 5,573,032 ARosemount Inc. · 1996
- Valve positioner with pressure feedback, dynamic correction and diagnostics126US 5,549,137 ARosemount Inc. · 1996
- Vacuum valve using improved diaphragm92US 4,717,117 ABendix Electronics S.A. · 1988
- Positive end expiratory pressure device79US 4,182,366 A1980