B29L 2023/006
Flexible liners
Official title: {Flexible liners}
B29L2023/006 (Flexible liners) appears on 108 US grants and 79 published applications in this corpus.
Search patents in B29L- Granted patents
- 108
- Published applications
- 79
- Assignees
- 79
- Inventors
- 169
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 7 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 5 |
| 2011 | 0 | 2 |
| 2012 | 0 | 6 |
| 2013 | 5 | 4 |
| 2014 | 1 | 4 |
| 2015 | 1 | 5 |
| 2016 | 4 | 4 |
| 2017 | 5 | 3 |
| 2018 | 5 | 1 |
| 2019 | 2 | 8 |
| 2020 | 5 | 5 |
| 2021 | 3 | 3 |
| 2022 | 2 | 0 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible fluid transport pipe and associated methods11 Aug 2026US 12,704,207 B2TechnipFMC Subsea France
- Rubber composition, processing method thereof, and rubber product using the same12 May 2026US 12,624,198 B2Hangzhou Xinglu Technologies Co., Ltd
- Method and apparatus for manufacturing dry liners for pipe repair1 Aug 2023US 11,712,857 B2Owens Corning Intellectual Capital, LLC
- Method for renovating the interior of a hollow structure25 Jul 2023US 11,708,930 B2Wn Smitgroep
- Asymmetrical stretch composite for pipe liner10 Jan 2023US 11,549,631 B2Lydall, Inc.
- Device, method and system for drawing a liner into a tube by means of an inversion method17 Sep 2026US 2026/0273838 A1Brawo Systems GmbH
- Vents in pipeline liners24 Apr 2025US 2025/0128456 A1Subsea 7 Limited
- Flexible fluid transport pipe and associated methods18 Jan 2024US 2024/0019051 A1TechnipFMC Subsea France
- Mechanized inverter for pipe liners6 May 2021US 2021/0129419 A1Sak Construction, LLC
- Mechanized inverter for pipe liners18 Feb 2021US 2021/0046693 A1Sak Construction, LLC
Most cited
By later US patents
- Method of lining a pipe194US 4,009,063 AInsituform (Pipes & Structures) Ltd. · 1977
- Liner assembly for lining branch pipes and a method for manufacturing the liner assembly73US 5,329,063 AGet Inc. · 1994
- Total containment welding of plastic tubes66US 5,209,800 ADenco, Inc. · 1993
- Method for installing a length of substantially rigid thermoplastic pipe in an existing conduit59US 5,397,513 ANuPipe, Inc. · 1995
- Process for installing a new pipe inside an existing pipeline56US 4,867,921 ANu-Pipe, Inc. · 1989