F16L 55/175
By using materials which fill a space around the pipe before hardening
Official title: by using materials which fill a space around the pipe before hardening
F16L55/175 (By using materials which fill a space around the pipe before hardening) appears on 116 US grants and 92 published applications in this corpus.
Search patents in F16L- Granted patents
- 116
- Published applications
- 92
- Assignees
- 89
- Inventors
- 221
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 6 |
| 2007 | 3 | 4 |
| 2008 | 4 | 4 |
| 2009 | 3 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 4 | 7 |
| 2017 | 4 | 7 |
| 2018 | 2 | 3 |
| 2019 | 6 | 6 |
| 2020 | 5 | 10 |
| 2021 | 7 | 3 |
| 2022 | 2 | 6 |
| 2023 | 6 | 6 |
| 2024 | 4 | 2 |
| 2025 | 5 | 7 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for temporary sealing of flange leaks on industrial pipelines25 Aug 2026US 12,716,541 B2Saudi Arabian Oil Company
- Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak9 Dec 2025US 12,492,268 B2Dexerials Corporation
- Method and device for sampling pressure barrier of flexible pipes18 Nov 2025US 12,474,235 B2Petroleo Brasileiro S.A. - Petrobras
- Assembly to form a seal on a conduit11 Nov 2025US 12,467,558 B1The Boeing Company
- Encapsulation sleeve gasket assembly with removable inner layer29 Apr 2025US 12,287,050 B2Dresser Water, LLC
- Assembly to Form a Seal on a Conduit13 Nov 2025US 2025/0347363 A1The Boeing Company
- Method and apparatus for temporary sealing of flange leaks on industrial pipelines24 Jul 2025US 2025/0237340 A1Saudi Arabian Oil Company
- A kit for repairing damages in tubular elements, particularly methane gas pipelines12 Jun 2025US 2025/0187280 A1Composite Research S.R.L.
- Outer sheath repair system and related methods for flexible pipe1 May 2025US 2025/0137569 A1ExxonMobil Technology and Engineering Company
- Systems and methods for pipe repair using rapid sintering10 Apr 2025US 2025/0116364 A1University of Maryland, College Park
Most cited
By later US patents
- Pipe repair clamp88US 6,305,719 B12001
- Pipe fitting with self-testing seals and method58US 3,954,288 AThe Pipe Line Development Company · 1976
- Method and apparatus for forming a joint in a confined space between two abutting ends of conduit liners52US 4,049,480 ANipak, Inc. · 1977
- Methods for using a high tensile strength reinforcement to repair surface defects in a pipe47US 5,632,307 AClock Spring Company, L.P. · 1997
- Leak repair clamp42US 5,118,139 ATeam, Inc. · 1992