F16L 55/16
Devices for covering leaks in pipes or hoses
Official title: Devices for covering leaks in pipes or hoses, e.g. hose-menders
F16L55/16 (Devices for covering leaks in pipes or hoses) appears on 2,572 US grants and 2,008 published applications in this corpus.
Search patents in F16L- Granted patents
- 2,572
- Published applications
- 2,008
- Assignees
- 1,087
- Inventors
- 3,295
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 18 | 0 |
| 1978 | 20 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 24 | 0 |
| 1983 | 24 | 0 |
| 1984 | 26 | 0 |
| 1985 | 22 | 0 |
| 1986 | 32 | 0 |
| 1987 | 43 | 0 |
| 1988 | 45 | 0 |
| 1989 | 42 | 0 |
| 1990 | 42 | 0 |
| 1991 | 59 | 0 |
| 1992 | 57 | 0 |
| 1993 | 51 | 0 |
| 1994 | 45 | 0 |
| 1995 | 51 | 0 |
| 1996 | 51 | 0 |
| 1997 | 51 | 0 |
| 1998 | 69 | 0 |
| 1999 | 76 | 0 |
| 2000 | 66 | 0 |
| 2001 | 62 | 10 |
| 2002 | 43 | 34 |
| 2003 | 45 | 54 |
| 2004 | 36 | 65 |
| 2005 | 37 | 51 |
| 2006 | 49 | 75 |
| 2007 | 40 | 67 |
| 2008 | 34 | 56 |
| 2009 | 39 | 53 |
| 2010 | 37 | 83 |
| 2011 | 46 | 75 |
| 2012 | 48 | 83 |
| 2013 | 66 | 78 |
| 2014 | 64 | 119 |
| 2015 | 74 | 85 |
| 2016 | 84 | 112 |
| 2017 | 99 | 98 |
| 2018 | 81 | 123 |
| 2019 | 101 | 128 |
| 2020 | 92 | 107 |
| 2021 | 99 | 84 |
| 2022 | 74 | 90 |
| 2023 | 80 | 80 |
| 2024 | 75 | 82 |
| 2025 | 63 | 67 |
| 2026 | 39 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 55/162From inside the pipe1,728
- F16L 55/168From outside the pipe572
- F16L 55/179Specially adapted for bends, branch units, branching pipes or the like356
- F16L 55/1608By replacement of the damaged part of the pipe113
- F16L 55/1612By means of a plug46
- F16L 55/1604By means of a by-pass conduit29
- F16L 55/1616The material forming the pipe or hose being self-sealing10
Recent patents
- Sealing member for repairing a pipeline and method of use15 Sep 2026US 12,736,157 B2Oceaneering International, Inc.
- Pipe lining tool and control module15 Sep 2026US 12,736,168 B2Peanta Inventions AB
- Guide for guiding an inflatable bladder within a pipeline and a bladder assembly8 Sep 2026US 12,729,797 B2Boldan Oy
- Pipe rehabilitation method8 Sep 2026US 12,729,798 B2Shonan Gosei-Jushi-Seisakusho K. K.
- Stent springs for repairing pipes8 Sep 2026US 12,729,799 B2Mueller International, LLC
- Frame for trenchless pipe replacement system and method1 Oct 2026US 2026/0298370 A1TT Technologies, Inc.
- Lateral pipe lining material and manufacturing method thereof17 Sep 2026US 2026/0276128 A1Shonan Gosei-Jushi-Seisakusho K. K.
- Systems and methods for lining a pipe with a lighted liner or bladder3 Sep 2026US 2026/0258896 A1Pipe Lining Enterprises, Inc.
- Method of coupling or repairing pipes27 Aug 2026US 2026/0251254 A1Pinweld Limited
- Pipeliner bladder assembly20 Aug 2026US 2026/0243378 A1American Pipelining Solutions LLC
Most cited
By later US patents
- Method for lining a casing225US 5,454,419 APolybore, Inc. · 1995
- Method and apparatus for replacing buried pipe209US 4,507,019 AExpand-A-Line, Incorporated · 1985
- Method of lining a pipe194US 4,009,063 AInsituform (Pipes & Structures) Ltd. · 1977
- Method for placing a body of shape memory metal within a tube176US 5,040,283 AShell Oil Company · 1991
- Lining of passageways173US 4,064,211 AInsituform (Pipes & Structures) Ltd. · 1977