F16L 11/16
Wound from profiled strips or bands
Official title: wound from profiled strips or bands
F16L11/16 (Wound from profiled strips or bands) appears on 289 US grants and 222 published applications in this corpus.
Search patents in F16L- Granted patents
- 289
- Published applications
- 222
- Assignees
- 151
- Inventors
- 432
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 4 |
| 2002 | 13 | 5 |
| 2003 | 9 | 11 |
| 2004 | 5 | 15 |
| 2005 | 7 | 8 |
| 2006 | 5 | 6 |
| 2007 | 5 | 6 |
| 2008 | 0 | 10 |
| 2009 | 0 | 5 |
| 2010 | 8 | 13 |
| 2011 | 8 | 16 |
| 2012 | 1 | 10 |
| 2013 | 11 | 12 |
| 2014 | 8 | 19 |
| 2015 | 9 | 12 |
| 2016 | 18 | 12 |
| 2017 | 7 | 6 |
| 2018 | 11 | 8 |
| 2019 | 10 | 10 |
| 2020 | 6 | 9 |
| 2021 | 8 | 5 |
| 2022 | 9 | 8 |
| 2023 | 7 | 7 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fracturing transportation system16 Dec 2025US 12,498,060 B2YANTAI JEREH PETROLEUM EQUlPMENT & TECHNOLOGIES CO., LTD.
- Spiral wrap13 May 2025US 12,297,950 B2
- Flexible pipe with radial gas passage, manufacturing method and use thereof18 Feb 2025US 12,228,223 B2Technip N-Power
- Helically wound tubing with exposed conductors3 Sep 2024US 12,076,909 B2Steward Plastics, Inc.
- Method for producing a carcass, a method of producing a flexible pipe and a flexible pipe18 Jun 2024US 12,011,750 B2National Oilwell Varco Denmark I/S
- Flexible hose with embedded helical conductors and method of manufacturing same18 Jun 2026US 2026/0168598 A1Plastiflex Group
- Smoothing insert26 Feb 2026US 2026/0055831 A1Baker Hughes Energy Technology UK Limited
- Reinforced hose30 Oct 2025US 2025/0334212 A1
- Helically wound tubing with exposed conductors19 Dec 2024US 2024/0416574 A1Steward Plastics, Inc.
- Coiled garden hose5 Dec 2024US 2024/0401724 A1Yeiser Research & Development LLC
Most cited
By later US patents
- Flexible conduit100US 5,730,188 AWellstream, Inc. · 1998
- Double-walled, flexible hose87US 4,531,551 ASiemens Aktiengesellschaft · 1985
- Helically wound hose from co-extruded profile with reinforcing ribs interlocked at adjacent convolutions63US 4,383,555 APlastiflex Company International · 1983
- Tuned self-damping convoluted conduit63US 4,854,416 ATiteflex Corporation · 1989
- Two piece extruded hose61US 4,337,800 ASteward Plastics, Inc. · 1982