F16L 55/164
A sealing fluid being introduced in the pipe
Official title: a sealing fluid being introduced in the pipe (F16L55/1645 takes precedence)
F16L55/164 (A sealing fluid being introduced in the pipe) appears on 113 US grants and 88 published applications in this corpus.
Search patents in F16L- Granted patents
- 113
- Published applications
- 88
- Assignees
- 67
- Inventors
- 179
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 5 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 8 |
| 2011 | 3 | 5 |
| 2012 | 2 | 2 |
| 2013 | 5 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 5 |
| 2017 | 4 | 10 |
| 2018 | 9 | 4 |
| 2019 | 4 | 14 |
| 2020 | 5 | 5 |
| 2021 | 8 | 2 |
| 2022 | 3 | 5 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for sealing a service pipe30 Dec 2025US 12,510,203 B2
- Expandable pipe including a liner for restoring a conduit22 Oct 2024US 12,123,535 B2Recyca-Pipe of America L.L.C.
- Systems and methods for sealing pipelines9 Jan 2024US 11,867,337 B2Curapipe System Ltd.
- Device and method for repairing a hose of umbilicals19 Dec 2023US 11,846,380 B2Petroleo Brasileiro S.A. - Petrobras
- Sealing element3 May 2022US 11,320,082 B2Qinov8 UK Ltd
- Sealant injection unit for duct sealing system4 Jun 2026US 2026/0153182 A1Aeroseal, LLC
- Methods and systems for sealing a premise-side pipe9 Jun 2022US 2022/0178486 A1Curapipe System Ltd.
- Methods and systems for sealing a service pipe9 Jun 2022US 2022/0178489 A1Curapipe System Ltd.
- Systems and methods for sealing pipelines12 May 2022US 2022/0146035 A1Curapipe System Ltd.
- Expandable pipe including a liner for restoring a conduit17 Mar 2022US 2022/0082196 A1Recyca-Pipe of America L.L.C.
Most cited
By later US patents
- Interior pipeline coating process59US 5,230,842 A1993
- Process for renovating pipes44US 5,924,913 AGevi · 1999
- Method for lining pipes in a pipeline40US 4,454,173 AHakko Corporation · 1984
- Pipe renovating system and method40US 6,739,950 B12004
- Method for lining pipes in pipelines39US 4,505,613 AHakko Corporation · 1985