F16K 43/00
Auxiliary closure means in valves, which in case of repair
Official title: Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
F16K43/00 (Auxiliary closure means in valves, which in case of repair) appears on 271 US grants and 187 published applications in this corpus.
Search patents in F16K- Granted patents
- 271
- Published applications
- 187
- Assignees
- 172
- Inventors
- 418
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 7 |
| 2004 | 3 | 5 |
| 2005 | 7 | 7 |
| 2006 | 6 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 5 |
| 2010 | 1 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 3 |
| 2013 | 3 | 10 |
| 2014 | 4 | 20 |
| 2015 | 13 | 14 |
| 2016 | 14 | 9 |
| 2017 | 11 | 9 |
| 2018 | 7 | 16 |
| 2019 | 7 | 6 |
| 2020 | 13 | 12 |
| 2021 | 12 | 14 |
| 2022 | 14 | 9 |
| 2023 | 10 | 6 |
| 2024 | 9 | 9 |
| 2025 | 4 | 7 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Debris-tolerant sealing valve2 Jun 2026US 12,644,538 B2Sierra Space Corporation
- Sluice valve installation method, and sluice valve installation structure used in sluice valve installation method14 Apr 2026US 12,601,438 B2Waterworks Technology Development Organization Co., Ltd.
- Method and apparatus for valve core installation/removal31 Mar 2026US 12,590,647 B2Fieldpiece Instruments, Inc.
- Valve core removal tool3 Feb 2026US 12,540,689 B2Ocd Innovations, LLC
- Valve assembly with service stop with multiple tool interfaces6 Jan 2026US 12,516,747 B2Kohler Co.
- Cut-covering assembly with open, expandable, and lockable insertion valve10 Sep 2026US 2026/0266411 A1
- Multi-port core removal tool11 Jun 2026US 2026/0158602 A1
- Valve assembly with service stop with multiple tool interfaces21 May 2026US 2026/0139759 A1Kohler Co.
- Valve core removal tool16 Oct 2025US 2025/0320933 A1Ocd Innovations, LLC
- Sluice Valve Installation Method, and Sluice Valve Installation Structure Used in Sluice Valve Installation Method4 Sep 2025US 2025/0277552 A1Waterworks Technology Development Organization Co., Ltd.
Most cited
By later US patents
- High pressure fluid system121US 9,371,919 B2PSI Pressure Systems Corp. · 2016
- Pressure balanced gate valve having selective actuator systems84US 4,230,299 APetroleum Designers, Inc. · 1980
- Choke valve55US 4,503,878 ACameron Iron Works, Inc. · 1985
- Diaphragm valve48US 4,295,485 AWaterfield Engineering Limited · 1981
- Valve assembly40US 4,403,626 AContinental Disc Corporation · 1983