F16L 55/1645
A sealing material being introduced inside the pipe by means of a
Official title: a sealing material being introduced inside the pipe by means of a tool moving in the pipe
F16L55/1645 (A sealing material being introduced inside the pipe by means of a) appears on 228 US grants and 188 published applications in this corpus.
Search patents in F16L- Granted patents
- 228
- Published applications
- 188
- Assignees
- 149
- Inventors
- 376
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 2 |
| 2004 | 3 | 7 |
| 2005 | 5 | 6 |
| 2006 | 4 | 6 |
| 2007 | 3 | 1 |
| 2008 | 1 | 5 |
| 2009 | 4 | 3 |
| 2010 | 5 | 6 |
| 2011 | 3 | 7 |
| 2012 | 5 | 3 |
| 2013 | 2 | 5 |
| 2014 | 2 | 18 |
| 2015 | 9 | 8 |
| 2016 | 8 | 14 |
| 2017 | 16 | 15 |
| 2018 | 7 | 17 |
| 2019 | 12 | 13 |
| 2020 | 14 | 12 |
| 2021 | 8 | 8 |
| 2022 | 7 | 8 |
| 2023 | 7 | 9 |
| 2024 | 13 | 7 |
| 2025 | 1 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe rehabilitation method19 May 2026US 12,631,281 B2Shonan Gosei-Jushi-Seisakusho K. K.
- Systems, devices, and methods for in situ pipe repair27 Jan 2026US 12,535,172 B2Diakont Advanced Technologies, Inc.
- Device and method for sealing or repairing a leaking and/or damaged location on an inner wall of a pipe6 Jan 2026US 12,516,766 B2Vetter GmbH
- Spray rig for lining an interior surface of a pipe23 Sep 2025US 12,420,308 B2Michels Corporation
- Method of inhibiting leakage of a fluid through a defect in a wall of a pipe17 Dec 2024US 12,169,041 B2Origin Tech Ltd
- Device, system and method for locating and repairing leaks in pipes6 Aug 2026US 2026/0227021 A1South East Water Corporation
- Packer for pipe and sewer rehabilitation4 Dec 2025US 2025/0369552 A1Pro-Kanal GmbH
- Coating for maintenance of underground pipes16 Oct 2025US 2025/0320377 A1Magiechem Inc.
- Method of treating cracks in a tube12 Jun 2025US 2025/0189066 A1Louisiana Tech Research Corporation; of Louisiana Tech University Foundation, Inc.
- Pipe installation system20 Mar 2025US 2025/0092980 A1
Most cited
By later US patents
- Apparatus and method for improving the integrity of coupling sections in high performance tubing and casing105US 4,872,253 A1989
- Apparatus for running a wire through a pipe71US 5,181,668 AOsaka Gas Co., Ltd. · 1993
- Packer for sealing pipe leaks64US 3,946,761 AThe Penetryn System, Inc. · 1976
- Method and system for coating sections of internal surfaces53US 7,608,151 B2Sub-One Technology, Inc. · 2009
- Apparatus for carrying out repair works on a damaged pipeline which a person cannot get through45US 4,986,314 AKunststoff-Technik AG Himmler · 1991