F16L 55/105
Closing devices introduced radially into the pipe or hose
F16L55/105 (Closing devices introduced radially into the pipe or hose) appears on 176 US grants and 142 published applications in this corpus.
Search patents in F16L- Granted patents
- 176
- Published applications
- 142
- Assignees
- 85
- Inventors
- 279
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 4 |
| 2004 | 4 | 3 |
| 2005 | 1 | 0 |
| 2006 | 4 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 4 | 6 |
| 2011 | 3 | 0 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 3 | 6 |
| 2015 | 6 | 6 |
| 2016 | 1 | 6 |
| 2017 | 5 | 2 |
| 2018 | 6 | 8 |
| 2019 | 4 | 10 |
| 2020 | 11 | 7 |
| 2021 | 8 | 14 |
| 2022 | 13 | 12 |
| 2023 | 15 | 16 |
| 2024 | 5 | 9 |
| 2025 | 8 | 9 |
| 2026 | 10 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combined drilling and stopping system8 Sep 2026US 12,729,795 B2Mueller International, LLC
- Single or multi-durometer elastomer, self-actuating, dynamic, stress suppressor for hot tapping tools8 Sep 2026US 12,729,796 B2TDW Delaware, Inc.
- Valve gates28 Jul 2026US 12,692,948 B2Romac Industries, Inc.
- Pipe isolation device with bleed system14 Jul 2026US 12,680,645 B2Team Industrial Services, Inc.
- Expandable pipe stopper30 Jun 2026US 12,669,181 B2Mueller International, LLC
- Plugging head equalizer valve1 Oct 2026US 2026/0298390 A1Saudi Arabian Oil Company
- Cut-covering assembly with open, expandable, and lockable insertion valve10 Sep 2026US 2026/0266411 A1
- Bushing, Control Bar Lock, and Housing for Manually Operated Plugging Machine13 Aug 2026US 2026/0235245 A1R.B. Williamson Energy Advisors LLC
- Cutting assembly for insertion valve installation11 Dec 2025US 2025/0377061 A1
- Gate insert valve and method of insertion into pressurized pipelines11 Dec 2025US 2025/0377063 A1
Most cited
By later US patents
- Method and device for attaching shut-off control valve to distributing water pipe such as service pipe without stopping passage of water therethrough55US 3,948,282 AYano Giken Co., Ltd. · 1976
- Stop-gate apparatus and methods of use thereof48US 5,494,079 A1996
- Well safety valve42US 4,516,598 A1985
- Directly installed shut-off valve assembly for flowing high pressure line41US 5,076,311 AMarquip, Inc. · 1991
- Cut-and-close device for pressure pipes in production and supply installations37US 5,217,073 A1993