F16L 55/1651
The flexible liner being everted
Official title: {the flexible liner being everted}
F16L55/1651 (The flexible liner being everted) appears on 334 US grants and 270 published applications in this corpus.
Search patents in F16L- Granted patents
- 334
- Published applications
- 270
- Assignees
- 125
- Inventors
- 314
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 3 |
| 2003 | 6 | 7 |
| 2004 | 5 | 3 |
| 2005 | 6 | 8 |
| 2006 | 4 | 15 |
| 2007 | 3 | 8 |
| 2008 | 6 | 14 |
| 2009 | 7 | 12 |
| 2010 | 7 | 13 |
| 2011 | 11 | 12 |
| 2012 | 3 | 13 |
| 2013 | 11 | 15 |
| 2014 | 14 | 14 |
| 2015 | 10 | 13 |
| 2016 | 13 | 13 |
| 2017 | 13 | 10 |
| 2018 | 13 | 16 |
| 2019 | 20 | 18 |
| 2020 | 15 | 17 |
| 2021 | 11 | 8 |
| 2022 | 3 | 8 |
| 2023 | 11 | 8 |
| 2024 | 6 | 13 |
| 2025 | 8 | 1 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for repairing pipe with a repair assembly having a lighting assembly7 Jul 2026US 12,674,538 B2Perma-Liner Industries, LLC
- Apparatus for inserting and positioning a pipeline lining in a pipe and method for inserting and positioning a pipeline lining in a pipe5 May 2026US 12,618,495 B2BODUS GmbH
- Device for curing a pipeline lining10 Feb 2026US 12,546,428 B2Brawo Systems GmbH
- Apparatus for curing a liner30 Dec 2025US 12,510,204 B2Per Aarsleff A/S
- CIPP liner feed roller28 Oct 2025US 12,455,036 B2Subsurface, Inc.
- Pipeliner bladder assembly20 Aug 2026US 2026/0243378 A1American Pipelining Solutions LLC
- Apparatus, system and method for use with utility tunnels6 Aug 2026US 2026/0226830 A1British Telecommunications Public Ltd.Co.
- Electronic curing assembly and related method18 Jun 2026US 2026/0168608 A1Improved Infrastructure Solutions, LLC
- Composite material for hose liners4 Jun 2026US 2026/0151956 A1Tenowo GmbH
- Device and Method for Repairing Pipe with a Repair Assembly Having a Lighting Assembly28 May 2026US 2026/0146699 A1Perma-Liner Industries, LLC
Most cited
By later US patents
- Method of lining a pipe194US 4,009,063 AInsituform (Pipes & Structures) Ltd. · 1977
- Lining of passageways173US 4,064,211 AInsituform (Pipes & Structures) Ltd. · 1977
- Horizontal drilling method and apparatus131US 5,803,666 A1998
- Method of lining a passageway with a resin absorbent tube118US 4,135,958 AInsituform International N.V. · 1979
- Expandable pipe liner and method of installing same118US 5,501,248 ALmk Enterprises, Inc. · 1996