F16L 55/168
From outside the pipe
Official title: from outside the pipe (specially adapted for bends, branch units, branching pipes, or the like F16L55/179)
F16L55/168 (From outside the pipe) appears on 572 US grants and 479 published applications in this corpus.
Search patents in F16L- Granted patents
- 572
- Published applications
- 479
- Assignees
- 330
- Inventors
- 989
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 9 | 3 |
| 2003 | 5 | 6 |
| 2004 | 3 | 14 |
| 2005 | 7 | 5 |
| 2006 | 9 | 15 |
| 2007 | 8 | 17 |
| 2008 | 10 | 12 |
| 2009 | 10 | 7 |
| 2010 | 7 | 14 |
| 2011 | 9 | 19 |
| 2012 | 11 | 20 |
| 2013 | 18 | 19 |
| 2014 | 11 | 33 |
| 2015 | 21 | 25 |
| 2016 | 20 | 36 |
| 2017 | 27 | 21 |
| 2018 | 18 | 30 |
| 2019 | 27 | 25 |
| 2020 | 26 | 35 |
| 2021 | 22 | 22 |
| 2022 | 23 | 23 |
| 2023 | 19 | 24 |
| 2024 | 29 | 19 |
| 2025 | 13 | 24 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 55/17By means of rings, bands or sleeves pressed against the outside surface303
- F16L 55/175By using materials which fill a space around the pipe before hardening116
- F16L 55/1683By means of a patch which is fixed on the wall of102
- F16L 55/1686By winding a tape73
- F16L 55/178By clamping an outer gasket against a joint with sleeve or socket24
Recent patents
- Sealing member for repairing a pipeline and method of use15 Sep 2026US 12,736,157 B2Oceaneering International, Inc.
- Stent springs for repairing pipes8 Sep 2026US 12,729,799 B2Mueller International, LLC
- Method and apparatus for temporary sealing of flange leaks on industrial pipelines25 Aug 2026US 12,716,541 B2Saudi Arabian Oil Company
- System and method for containment of fluids from a compromised pipe or piping system5 May 2026US 12,618,503 B2Colt Services, LP
- Connector for subsea pipelines and risers, and repair of a pipeline or riser utilizing the connector5 May 2026US 12,618,504 B2
- Pipeliner bladder assembly20 Aug 2026US 2026/0243378 A1American Pipelining Solutions LLC
- Additive manufacture system9 Jul 2026US 2026/0192520 A1Kongsberg Ferrotech AS
- Pipe clamping apparatus9 Jul 2026US 2026/0194175 A1Kibosh Limited
- Pipe flange leak containment assembly30 Apr 2026US 2026/0117909 A1Andax Industries, L.L.C.
- Support member for routing a fluid or electrical line in a structural member9 Apr 2026US 2026/0097721 A1
Most cited
By later US patents