F16L 55/162
From inside the pipe
Official title: from inside the pipe ({F16L55/1612 takes precedence;} specially adapted for bends, branch units, branching pipes, or the like F16L55/179)
F16L55/162 (From inside the pipe) appears on 1,728 US grants and 1,387 published applications in this corpus.
Search patents in F16L- Granted patents
- 1,728
- Published applications
- 1,387
- Assignees
- 727
- Inventors
- 2,004
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 20 | 0 |
| 1987 | 25 | 0 |
| 1988 | 30 | 0 |
| 1989 | 24 | 0 |
| 1990 | 29 | 0 |
| 1991 | 37 | 0 |
| 1992 | 36 | 0 |
| 1993 | 34 | 0 |
| 1994 | 22 | 0 |
| 1995 | 35 | 0 |
| 1996 | 43 | 0 |
| 1997 | 38 | 0 |
| 1998 | 52 | 0 |
| 1999 | 55 | 0 |
| 2000 | 48 | 0 |
| 2001 | 43 | 8 |
| 2002 | 32 | 31 |
| 2003 | 36 | 44 |
| 2004 | 31 | 46 |
| 2005 | 27 | 41 |
| 2006 | 36 | 56 |
| 2007 | 31 | 42 |
| 2008 | 23 | 40 |
| 2009 | 22 | 41 |
| 2010 | 27 | 60 |
| 2011 | 35 | 53 |
| 2012 | 29 | 50 |
| 2013 | 43 | 52 |
| 2014 | 45 | 77 |
| 2015 | 46 | 55 |
| 2016 | 57 | 74 |
| 2017 | 67 | 75 |
| 2018 | 62 | 81 |
| 2019 | 73 | 96 |
| 2020 | 62 | 72 |
| 2021 | 73 | 60 |
| 2022 | 49 | 61 |
| 2023 | 56 | 53 |
| 2024 | 44 | 56 |
| 2025 | 45 | 29 |
| 2026 | 26 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Jointed pipe splitter with pneumatic hammer1 Sep 2026US 12,723,697 B2TT Technologies, Inc.
- Device, system and method for curing a tube liner18 Aug 2026US 12,709,045 B2Per Aarsleff A/S
- 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