F16L 55/1657
Lengths of rigid pipe being inserted
Official title: {lengths of rigid pipe being inserted (F16L55/1658 takes precedence)}
F16L55/1657 (Lengths of rigid pipe being inserted) appears on 94 US grants and 75 published applications in this corpus.
Search patents in F16L- Granted patents
- 94
- Published applications
- 75
- Assignees
- 63
- Inventors
- 160
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 0 | 3 |
| 2007 | 3 | 2 |
| 2008 | 4 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 7 |
| 2011 | 1 | 0 |
| 2012 | 3 | 6 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 4 | 4 |
| 2019 | 4 | 6 |
| 2020 | 4 | 1 |
| 2021 | 4 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 1 |
| 2024 | 3 | 5 |
| 2025 | 0 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipe rehabilitation method8 Sep 2026US 12,729,798 B2Shonan Gosei-Jushi-Seisakusho K. K.
- Methods for intelligent composite renewal system for standalone, storage, and renewed pipelines, including for reduced carbon emission and for conversion of in place pipelines for conveyance of hydrogen and other clean fuels16 Jun 2026US 12,654,418 B2Safegaurd, LLC
- Pipe rehabilitation method19 May 2026US 12,631,281 B2Shonan Gosei-Jushi-Seisakusho K. K.
- Lead pipe spudding prior to extraction or remediation17 Sep 2024US 12,092,257 B2The Charles Machine Works, Inc.
- Methods and materials for intelligent composite renewal system for standalone, storage, and renewed pipelines, including for reduced carbon emission and for conversion of in place pipelines for conveyance of hydrogen and other clean fuels30 Jul 2024US 12,049,059 B2
- All metal-to-metal casing patch17 Apr 2025US 2025/0122774 A1
- Methods for intelligent composite renewal system for standalone, storage, and renewed pipelines, including for reduced carbon emission and for conversion of in place pipelines for conveyance of hydrogen and other clean fuels10 Oct 2024US 2024/0336027 A1Safegaurd, LLC
- Method of assembling a vessel overboard discharge assembly18 Jul 2024US 2024/0239454 A1Maersk A/S
- Pipe rehabilitation method18 Jul 2024US 2024/0240740 A1Shonan Gosei-Jushi-Seisakusho K. K.
- Pipe rehabilitation method9 May 2024US 2024/0151342 A1Shonan Gosei-Jushi-Seisakusho K. K.
Most cited
By later US patents
- Method for installing a tube or a bundle of tubes in an existing tubular duct40US 5,884,384 AKoninklijke KPN N. V. · 1999
- Slipline adjustable manhole seal35US 4,702,645 APress-Seal Gasket Corporation · 1987
- Product for relining sewers and water pipes35US 4,796,669 ADuratron Systems Limited · 1989
- Pipeline for relining sewers and water lines without excavation31US 5,078,430 ADuratron Systems Limited · 1992
- Method and apparatus for installation of underground pipe30US 5,651,639 AEarth Tool Company, L.L.C. · 1997