F16L 55/1658
The old pipe being ruptured prior to insertion of a new pipe
Official title: {the old pipe being ruptured prior to insertion of a new pipe}
F16L55/1658 (The old pipe being ruptured prior to insertion of a new pipe) appears on 243 US grants and 204 published applications in this corpus.
Search patents in F16L- Granted patents
- 243
- Published applications
- 204
- Assignees
- 57
- Inventors
- 150
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 8 | 9 |
| 2003 | 6 | 9 |
| 2004 | 8 | 6 |
| 2005 | 3 | 4 |
| 2006 | 4 | 8 |
| 2007 | 4 | 8 |
| 2008 | 4 | 4 |
| 2009 | 2 | 5 |
| 2010 | 2 | 7 |
| 2011 | 5 | 12 |
| 2012 | 7 | 5 |
| 2013 | 9 | 8 |
| 2014 | 8 | 10 |
| 2015 | 8 | 7 |
| 2016 | 8 | 10 |
| 2017 | 10 | 11 |
| 2018 | 9 | 7 |
| 2019 | 9 | 14 |
| 2020 | 12 | 8 |
| 2021 | 12 | 12 |
| 2022 | 10 | 8 |
| 2023 | 8 | 8 |
| 2024 | 10 | 4 |
| 2025 | 8 | 8 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Jointed pipe splitter with pneumatic hammer1 Sep 2026US 12,723,697 B2TT Technologies, Inc.
- Jaw engagement assist system2 Jun 2026US 12,643,202 B2The Charles Machine Works, Inc.
- Vault for encapsulating debris from asbestos concrete pipe repair17 Mar 2026US 12,578,036 B1
- Threaded connection27 Jan 2026US 12,534,962 B2TRACTO-TECHNIK GmbH & Co. KG
- Pipe slitter16 Dec 2025US 12,496,645 B1The Charles Machines Works, Inc.
- Frame for trenchless pipe replacement system and method1 Oct 2026US 2026/0298370 A1TT Technologies, Inc.
- Pipe splitter and method6 Aug 2026US 2026/0225166 A1TT Technologies, Inc.
- Pipe replacement drum device and method6 Aug 2026US 2026/0227004 A1TT Technologies, Inc.
- Pipe replacement system11 Jun 2026US 2026/0160375 A1TT Technologies, Inc.
- Pipe splitting apparatus with cable engagement system14 May 2026US 2026/0132880 A1TT Technologies, Inc.
Most cited
By later US patents
- Method and apparatus for replacing buried pipe209US 4,507,019 AExpand-A-Line, Incorporated · 1985
- Pipe splitting and spreading system147US 5,439,320 A1995
- Replacing mains102US 4,674,914 ABritish Gas Corporation · 1987
- Cutting/expanding tool92US 5,306,101 AThe Brooklyn Union Gas Company · 1994
- Method of replacing mains81US 4,738,565 ABritish Gas Corporation · 1988