F16L 55/128
Introduced axially into the pipe or hose
Official title: introduced axially into the pipe or hose
F16L55/128 (Introduced axially into the pipe or hose) appears on 637 US grants and 419 published applications in this corpus.
Search patents in F16L- Granted patents
- 637
- Published applications
- 419
- Assignees
- 292
- Inventors
- 961
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 11 | 0 |
| 1984 | 19 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 6 | 0 |
| 1991 | 19 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 1 |
| 2002 | 9 | 6 |
| 2003 | 5 | 10 |
| 2004 | 9 | 15 |
| 2005 | 10 | 13 |
| 2006 | 9 | 16 |
| 2007 | 7 | 14 |
| 2008 | 10 | 17 |
| 2009 | 12 | 11 |
| 2010 | 10 | 19 |
| 2011 | 9 | 20 |
| 2012 | 14 | 10 |
| 2013 | 10 | 18 |
| 2014 | 12 | 16 |
| 2015 | 22 | 29 |
| 2016 | 21 | 12 |
| 2017 | 18 | 10 |
| 2018 | 11 | 19 |
| 2019 | 16 | 24 |
| 2020 | 25 | 24 |
| 2021 | 17 | 22 |
| 2022 | 21 | 32 |
| 2023 | 18 | 20 |
| 2024 | 17 | 16 |
| 2025 | 13 | 14 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 55/132The closure device being a plug fixed by radially deforming the packing354
- F16L 55/136The closure device being a plug fixed by radially expanding or deforming138
- F16L 55/1283Plugging pig115
- F16L 55/13The closure device being a plug fixed by plastic deformation95
- F16L 55/1286The closing device being a cap16
Recent patents
- Single or multi-durometer elastomer, self-actuating, dynamic, stress suppressor for hot tapping tools8 Sep 2026US 12,729,796 B2TDW Delaware, Inc.
- Sewer expansion plug1 Sep 2026US 12,723,395 B1Camco Manufacturing, Inc.
- Deformable sealing plug and process for plugging a cavity using such a sealing plug25 Aug 2026US 12,716,491 B2Airbus Operations GmbH
- Additive inflatable leak check bladder23 Jun 2026US 12,663,330 B2Rtx Corporation
- Blocking device and method16 Jun 2026US 12,655,925 B2Kurodite Industry Co.
- Conduit security techniques17 Sep 2026US 2026/0276127 A1Scott Lock Company
- System and Method for Installing a Manifold Plug10 Sep 2026US 2026/0264202 A1Engineered Inserts & Systems, Inc.
- Pipeliner bladder assembly20 Aug 2026US 2026/0243378 A1American Pipelining Solutions LLC
- System and method for installing a manifold plug13 Aug 2026US 2026/0233370 A1Engineered Inserts & Systems, Inc.
- Tool Module for Carrier Robot and Machining Method Implemented by the Tool Module16 Jul 2026US 2026/0202000 A1
Most cited
By later US patents
- Deformable member175US 6,896,049 B2Zeroth Technology Ltd. · 2005
- Inflatable tubular sleeve for tubing or obturating a well or pipe150US 6,044,906 ADrillflex · 2000
- Pipeline vehicle141US 4,852,391 ADen Norske Stats Oljeselskap A.S. · 1989
- Annular tube-like driver127US 4,637,436 ARaychem Corporation · 1987
- Compression sleeve tube repair121US 4,485,847 ACombustion Engineering, Inc. · 1984