F16L 55/1655
A pipe being formed inside the old pipe by winding strip-material
Official title: {a pipe being formed inside the old pipe by winding strip-material}
F16L55/1655 (A pipe being formed inside the old pipe by winding strip-material) appears on 58 US grants and 54 published applications in this corpus.
Search patents in F16L- Granted patents
- 58
- Published applications
- 54
- Assignees
- 27
- Inventors
- 90
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 4 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 3 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 7 |
| 2019 | 4 | 5 |
| 2020 | 2 | 0 |
| 2021 | 4 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lining tube for reconditioning of defective sewer pipes and method of producing and installing one14 Apr 2026US 12,601,166 B2Brandenburger Liner GmbH & Co. KG
- Lining tube for restoring defective sewer shafts and method for producing and installing such a tube1 Jul 2025US 12,345,010 B2Brandenburger Liner GmbH & Co. KG
- Asymmetrical fabrics composition for winding applications in pipe relining30 Jan 2024US 11,885,455 B2Owens Corning Intellectual Capital, LLC
- Pipe-forming apparatus for spiral pipe and pipe-forming method thereof14 Mar 2023US 11,602,884 B2Sekisui Chemical Co., Ltd.
- Strip member for spiral pipe and rehabilitation method of existing pipe18 Oct 2022US 11,473,714 B2Sekisui Chemical Co., Ltd.
- Lining tube for restoring defective sewer shafts and method for producing and installing such a tube11 Apr 2024US 2024/0117587 A1Brandenburger Liner GmbH & Co. KG
- Lining tube for reconditioning of defective sewer pipes and method of producing and installing one11 Apr 2024US 2024/0117620 A1Brandenburger Liner GmbH & Co. KG
- Internal lining or repair of pipelines and conduits with continuous on-site-manufactured pipe24 Nov 2022US 2022/0371261 A1
- Pipe-forming apparatus for spiral pipe and pipe-forming method thereof6 May 2021US 2021/0129417 A1Sekisui Chemical Co., Ltd.
- Pipe-forming apparatus for spiral pipe and pipe-forming method thereof6 May 2021US 2021/0129418 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Method and apparatus for producing a tubular lining hose56US 5,798,013 ABrandenburger Patentverwertungsgesellschaft des burgerlichen Rechts · 1998
- Method and apparatus for winding a helical pipe from its inside51US 6,637,092 B1Rib Loc Australia Pty Ltd. · 2003
- Rehabilitating underground pipes with expanding helically wound liner43US 5,101,863 ARib Loc Australia Pty Ltd. · 1992
- Sewer renovation system39US 4,678,370 ADanby Pty. Ltd. · 1987
- Downhole winding tool32US 7,455,117 B12008