F16L 55/134
By means of an inflatable packing
Official title: by means of an inflatable packing
F16L55/134 (By means of an inflatable packing) appears on 145 US grants and 109 published applications in this corpus.
Search patents in F16L- Granted patents
- 145
- Published applications
- 109
- Assignees
- 83
- Inventors
- 246
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 7 |
| 2005 | 3 | 2 |
| 2006 | 4 | 6 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 4 |
| 2013 | 3 | 7 |
| 2014 | 6 | 2 |
| 2015 | 5 | 3 |
| 2016 | 5 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 5 |
| 2019 | 6 | 6 |
| 2020 | 9 | 11 |
| 2021 | 5 | 7 |
| 2022 | 5 | 5 |
| 2023 | 4 | 6 |
| 2024 | 4 | 3 |
| 2025 | 1 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additive inflatable leak check bladder23 Jun 2026US 12,663,330 B2Rtx Corporation
- Blocking device and method16 Jun 2026US 12,655,925 B2Kurodite Industry Co.
- Method for remote placement of underwater isolation barriers2 Jun 2026US 12,644,553 B2
- Self-adaptive air bag blocking device7 Jan 2025US 12,187,499 B2
- Inflatable stent8 Oct 2024US 12,111,005 B2Air Bag Stopper Holdings Limited
- Pipeliner bladder assembly20 Aug 2026US 2026/0243378 A1American Pipelining Solutions LLC
- Devices and methods for repairing pipes23 Apr 2026US 2026/0110386 A1Mueller International, LLC
- Multipiece inflatable plug system23 Apr 2026US 2026/0110387 A1
- Packer for pipe and sewer rehabilitation4 Dec 2025US 2025/0369552 A1Pro-Kanal GmbH
- Method for remote placement of underwater isolation barriers9 Oct 2025US 2025/0314342 A1
Most cited
By later US patents
- Inflatable tubular sleeve for tubing or obturating a well or pipe150US 6,044,906 ADrillflex · 2000
- Inflatable anchor element and packer employing same96US 4,424,861 AHalliburton Company · 1984
- Apparatus having a tubular inflatable bladder and a grout dispensing nozzle for connecting lateral branches to a relined main55US 4,245,970 A1981
- Dual seal nozzle dam and alignment means therefor55US 4,671,326 AWestinghouse Electric Corp. · 1987
- Inflatable apparatus for sealing a pipeline51US 5,901,752 A1999