F16K 1/18
With pivoted discs or flaps
Official title: with pivoted discs or flaps
F16K1/18 (With pivoted discs or flaps) appears on 2,016 US grants and 1,753 published applications in this corpus.
Search patents in F16K- Granted patents
- 2,016
- Published applications
- 1,753
- Assignees
- 937
- Inventors
- 3,490
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 31 | 0 |
| 1978 | 27 | 0 |
| 1979 | 19 | 0 |
| 1980 | 35 | 0 |
| 1981 | 48 | 0 |
| 1982 | 22 | 0 |
| 1983 | 24 | 0 |
| 1984 | 21 | 0 |
| 1985 | 31 | 0 |
| 1986 | 17 | 0 |
| 1987 | 26 | 0 |
| 1988 | 14 | 0 |
| 1989 | 21 | 0 |
| 1990 | 24 | 0 |
| 1991 | 18 | 0 |
| 1992 | 21 | 0 |
| 1993 | 19 | 0 |
| 1994 | 26 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 20 | 0 |
| 1999 | 27 | 0 |
| 2000 | 23 | 0 |
| 2001 | 25 | 10 |
| 2002 | 26 | 34 |
| 2003 | 35 | 45 |
| 2004 | 36 | 47 |
| 2005 | 34 | 49 |
| 2006 | 38 | 42 |
| 2007 | 31 | 50 |
| 2008 | 27 | 45 |
| 2009 | 30 | 39 |
| 2010 | 22 | 48 |
| 2011 | 20 | 53 |
| 2012 | 31 | 52 |
| 2013 | 38 | 75 |
| 2014 | 58 | 71 |
| 2015 | 56 | 96 |
| 2016 | 59 | 92 |
| 2017 | 79 | 144 |
| 2018 | 92 | 120 |
| 2019 | 118 | 115 |
| 2020 | 110 | 118 |
| 2021 | 116 | 113 |
| 2022 | 98 | 86 |
| 2023 | 66 | 63 |
| 2024 | 82 | 67 |
| 2025 | 53 | 45 |
| 2026 | 33 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Foldable, boot loadable, insertable air damper device22 Sep 2026US 12,742,567 B2Arzel Zoning Technology, Inc.
- Valve control mechanism1 Sep 2026US 12,723,658 B2
- Valve seat and a valve sealing arrangement of a valve assembly25 Aug 2026US 12,716,506 B2Fisher Controls International LLC
- Automatic pressure control device, film forming apparatus and pressure control method25 Aug 2026US 12,716,520 B2Ckd Corporation
- Multi-functional valve travel stop18 Aug 2026US 12,710,099 B2Bray International, Inc.
- Valve8 Oct 2026US 2026/0309234 A1Horen Cortp Co., Ltd.
- Anti-static spiral spring for valve24 Sep 2026US 2026/0287035 A1Bray International, Inc.
- Premixing apparatus17 Sep 2026US 2026/0273486 A1Rinnai Corporation
- Coupling device, valve system and method for operating a valve system10 Sep 2026US 2026/0266207 A1Akrapovic d.d.
- Throttle Valve Control Device and Press Fit Structure3 Sep 2026US 2026/0258870 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Microfabricated elastomeric valve and pump systems619US 6,408,878 B1California Institute of Technology · 2002
- Method of making a microfabricated elastomeric valve294US 6,793,753 B2California Institute of Technology · 2004
- Dynamic respiratory control162US 6,631,716 B1The Board of Trustees of the Leland Stanford Junior University · 2003
- Butterfly valve assembly and method of manufacture80US 5,370,148 A1994
- Valve actuator79US 4,504,038 A1985