F16L 55/10
Means for stopping flow in pipes or hoses
Official title: Means for stopping flow in pipes or hoses (F16L29/00, F16L37/28 take precedence; valves F16K)
F16L55/10 (Means for stopping flow in pipes or hoses) appears on 2,370 US grants and 1,722 published applications in this corpus.
Search patents in F16L- Granted patents
- 2,370
- Published applications
- 1,722
- Assignees
- 1,150
- Inventors
- 3,750
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 23 | 0 |
| 1978 | 37 | 0 |
| 1979 | 21 | 0 |
| 1980 | 29 | 0 |
| 1981 | 37 | 0 |
| 1982 | 39 | 0 |
| 1983 | 24 | 0 |
| 1984 | 39 | 0 |
| 1985 | 32 | 0 |
| 1986 | 28 | 0 |
| 1987 | 34 | 0 |
| 1988 | 39 | 0 |
| 1989 | 60 | 0 |
| 1990 | 31 | 0 |
| 1991 | 49 | 0 |
| 1992 | 33 | 0 |
| 1993 | 48 | 0 |
| 1994 | 52 | 0 |
| 1995 | 48 | 0 |
| 1996 | 36 | 0 |
| 1997 | 45 | 0 |
| 1998 | 39 | 0 |
| 1999 | 37 | 0 |
| 2000 | 49 | 0 |
| 2001 | 38 | 9 |
| 2002 | 31 | 27 |
| 2003 | 35 | 32 |
| 2004 | 43 | 39 |
| 2005 | 27 | 45 |
| 2006 | 27 | 50 |
| 2007 | 28 | 42 |
| 2008 | 23 | 71 |
| 2009 | 36 | 44 |
| 2010 | 38 | 64 |
| 2011 | 36 | 63 |
| 2012 | 43 | 54 |
| 2013 | 39 | 67 |
| 2014 | 44 | 81 |
| 2015 | 78 | 96 |
| 2016 | 68 | 71 |
| 2017 | 83 | 60 |
| 2018 | 66 | 86 |
| 2019 | 70 | 104 |
| 2020 | 99 | 100 |
| 2021 | 89 | 97 |
| 2022 | 90 | 111 |
| 2023 | 95 | 98 |
| 2024 | 84 | 86 |
| 2025 | 70 | 74 |
| 2026 | 49 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 55/12By introducing into the pipe a member expandable in situ757
- F16L 55/11Plugs565
- F16L 55/115Caps438
- F16L 55/105Closing devices introduced radially into the pipe or hose176
- F16L 55/1007Couplings closed automatically when broken161
- F16L 55/1015Couplings closed automatically when disengaging force exceeds preselected value143
- F16L 55/1018Pivoting closing devices68
- F16L 55/1022Fluid cut-off devices automatically actuated67
Recent patents
- Clamp assemblies for clamping tubing and controlling fluid flow29 Sep 2026US 12,747,819 B2Corning Incorporated
- Apparatus for removable mounting of a hose into an air-conditioning duct15 Sep 2026US 12,736,167 B2
- Combined drilling and stopping system8 Sep 2026US 12,729,795 B2Mueller International, LLC
- Single or multi-durometer elastomer, self-actuating, dynamic, stress suppressor for hot tapping tools8 Sep 2026US 12,729,796 B2TDW Delaware, Inc.
- Sewer expansion plug1 Sep 2026US 12,723,395 B1Camco Manufacturing, Inc.
- Plugging head equalizer valve1 Oct 2026US 2026/0298390 A1Saudi Arabian Oil Company
- HVAC Cap Assembly1 Oct 2026US 2026/0298391 A1
- Conduit security techniques17 Sep 2026US 2026/0276127 A1Scott Lock Company
- Protective cap for small-diameter thick-walled pipe17 Sep 2026US 2026/0276129 A1Usui Co., Ltd.
- System and Method for Installing a Manifold Plug10 Sep 2026US 2026/0264202 A1Engineered Inserts & Systems, Inc.
Most cited
By later US patents
- Detaching tool for a tube for medical treatment212US 5,817,116 APiolax, Inc. · 1998
- Apparatus for and method of controlling the opening and closing of channel for liquid207US 4,989,626 AHitachi, Ltd. · 1991
- Protective cap assembly for protecting and sealing a tubing191US 5,694,978 AFresenius AG · 1997
- Connection device avoiding contamination186US 4,804,015 ASteridose Systems AB · 1989
- Deformable member175US 6,896,049 B2Zeroth Technology Ltd. · 2005