F16L 9/17
Obtained by bending a sheet longitudinally and connecting the edges
Official title: obtained by bending a sheet longitudinally and connecting the edges
F16L9/17 (Obtained by bending a sheet longitudinally and connecting the edges) appears on 105 US grants and 141 published applications in this corpus.
Search patents in F16L- Granted patents
- 105
- Published applications
- 141
- Assignees
- 86
- Inventors
- 276
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 6 |
| 2011 | 1 | 4 |
| 2012 | 3 | 8 |
| 2013 | 5 | 6 |
| 2014 | 2 | 6 |
| 2015 | 4 | 9 |
| 2016 | 3 | 7 |
| 2017 | 8 | 14 |
| 2018 | 3 | 18 |
| 2019 | 9 | 9 |
| 2020 | 14 | 8 |
| 2021 | 8 | 6 |
| 2022 | 6 | 4 |
| 2023 | 2 | 7 |
| 2024 | 5 | 5 |
| 2025 | 2 | 1 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- Electric resistance welded steel pipe, method for producing the same, line pipe, and building structure17 Feb 2026US 12,553,544 B2Jfe Steel Corporation
- Electric resistance welded steel pipe and method for manufacturing the same20 Jan 2026US 12,529,435 B2Jfe Steel Corporation
- Electric resistance welded steel pipe and method for manufacturing the same16 Dec 2025US 12,498,059 B2Jfe Steel Corporation
- Electric resistance welded steel pipe or tube and production method therefor29 Jan 2026US 2026/0027641 A1Jfe Steel Corporation
- Thin-walled pipe, metallic flat material and method for producing a thin-walled pipe23 Jan 2025US 2025/0027583 A1Scherdel Innotec Forschungs-Und Entwicklungs-GmbH
- Curved duct and method of manufacturing same28 Nov 2024US 2024/0392898 A1
- Pipeline assembly and manufacturing method therefor4 Jul 2024US 2024/0218945 A1
- Biodegradable irrigation pipe22 Feb 2024US 2024/0060580 A1Rivulis Plastro Ltd.
Most cited
By later US patents
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Elongate hollow element62US 6,256,938 B1Rolatube Technology Limited · 2001
- Manufacture of tubular laminates45US 4,446,181 AInsituform International N.V. · 1984
- Glass fiber duct board with coated grooves and the method of making the same42US 5,567,504 ASchuller International, Inc. · 1996
- Method of manufacturing cold worked, high strength seamless CRA PIPE18US 6,880,220 B2John Gandy Corporation · 2005