F16L 55/179
Specially adapted for bends, branch units, branching pipes or the like
Official title: specially adapted for bends, branch units, branching pipes or the like
F16L55/179 (Specially adapted for bends, branch units, branching pipes or the like) appears on 356 US grants and 274 published applications in this corpus.
Search patents in F16L- Granted patents
- 356
- Published applications
- 274
- Assignees
- 161
- Inventors
- 423
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 17 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 0 |
| 2002 | 6 | 1 |
| 2003 | 5 | 7 |
| 2004 | 3 | 9 |
| 2005 | 3 | 6 |
| 2006 | 7 | 7 |
| 2007 | 5 | 5 |
| 2008 | 3 | 7 |
| 2009 | 8 | 10 |
| 2010 | 4 | 7 |
| 2011 | 6 | 14 |
| 2012 | 7 | 22 |
| 2013 | 6 | 14 |
| 2014 | 19 | 16 |
| 2015 | 7 | 13 |
| 2016 | 13 | 15 |
| 2017 | 15 | 10 |
| 2018 | 13 | 16 |
| 2019 | 20 | 16 |
| 2020 | 8 | 17 |
| 2021 | 14 | 10 |
| 2022 | 8 | 10 |
| 2023 | 7 | 12 |
| 2024 | 5 | 10 |
| 2025 | 10 | 19 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipe lining tool and control module15 Sep 2026US 12,736,168 B2Peanta Inventions AB
- Device and method for repairing pipe with a repair assembly having a lighting assembly7 Jul 2026US 12,674,538 B2Perma-Liner Industries, LLC
- Repair joint device and method of assembling the same17 Feb 2026US 12,553,563 B2The Victaulic Company of Japan Limited
- Methods and systems for sealing a service pipe30 Dec 2025US 12,510,203 B2
- Apparatus for curing a liner30 Dec 2025US 12,510,204 B2Per Aarsleff A/S
- Device and Method for Repairing Pipe with a Repair Assembly Having a Lighting Assembly28 May 2026US 2026/0146699 A1Perma-Liner Industries, LLC
- Apparatus and method for tapping a valve of a host pipe lined with a liner25 Dec 2025US 2025/0389363 A1Fer-Pal Construction Ltd.
- Bladder, a packer tool assembly and a method for assembling the packer tool assembly30 Oct 2025US 2025/0332784 A1Boldan Oy
- Methods and apparatus for providing access to an underground pipe16 Oct 2025US 2025/0320946 A1Pipe Lining Enterprises, Inc.
- Moldable pvc tee fittings for in-place repairs10 Jul 2025US 2025/0224067 A1Lateral-X LLC
Most cited
By later US patents
- Sleeve type repair of degraded nuclear steam generator tubes123US 4,592,577 AThe Babcock & Wilcox Company · 1986
- Assembly for repairing a damaged pipe120US 4,793,382 ARaychem Corporation · 1988
- Sleeve repair of degraded nuclear steam generator tubes112US 4,739,916 AThe Babcock & Wilcox Company · 1988
- Device and method for repairing building branch lines in inacessible sewer mains108US 5,674,030 ASika Equipment AG · 1997
- Flexible tubular lining material84US 6,170,531 B2Karl Otto Braun KG · 2001