F16L 11/083
Three or more layers
Official title: {three or more layers}
F16L11/083 (Three or more layers) appears on 302 US grants and 297 published applications in this corpus.
Search patents in F16L- Granted patents
- 302
- Published applications
- 297
- Assignees
- 131
- Inventors
- 552
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 2 |
| 2003 | 5 | 10 |
| 2004 | 7 | 14 |
| 2005 | 10 | 9 |
| 2006 | 7 | 8 |
| 2007 | 4 | 3 |
| 2008 | 3 | 6 |
| 2009 | 1 | 7 |
| 2010 | 7 | 10 |
| 2011 | 5 | 16 |
| 2012 | 3 | 7 |
| 2013 | 9 | 20 |
| 2014 | 9 | 26 |
| 2015 | 16 | 21 |
| 2016 | 18 | 23 |
| 2017 | 15 | 15 |
| 2018 | 16 | 11 |
| 2019 | 17 | 13 |
| 2020 | 10 | 17 |
| 2021 | 24 | 9 |
| 2022 | 9 | 21 |
| 2023 | 11 | 6 |
| 2024 | 9 | 9 |
| 2025 | 5 | 5 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation method and use of hybrid composite pipes25 Aug 2026US 12,716,528 B2
- Flexible fluid transport pipe and associated methods11 Aug 2026US 12,704,207 B2TechnipFMC Subsea France
- Thermoplastic composite hose for transporting fluid and flexible pipe comprising same11 Aug 2026US 12,704,208 B2TechnipFMC Subsea France
- Laminated hose14 Jul 2026US 12,680,631 B2Bridgestone Corporation
- Fiber reinforced composite materials, articles and related methods19 May 2026US 12,629,904 B2GaMra Composites, Inc.
- Flexible pipe body27 Aug 2026US 2026/0251241 A1Baker Hughes Energy Technology UK Limited
- Improved tubes and hoses displaying information23 Jul 2026US 2026/0210458 A1
- An elongated wire element for supporting a tensile load, a flexible pipe body and a method of providing a tensile armour wire16 Jul 2026US 2026/0201983 A1Baker Hughes Energy Technology UK Limited
- Reinforcement layer and methods25 Jun 2026US 2026/0177168 A1Polyflow LLC
- Flexible Pipe and a Method of Manufacturing a Flexible Pipe14 May 2026US 2026/0132870 A1Polyflow LLC
Most cited
By later US patents
- Flexible conduit100US 5,730,188 AWellstream, Inc. · 1998
- Crude oil pipe having layers of graduated permeability to hydrogen sulfide68US 4,402,346 ADunlop Limited · 1983
- Aramid composite well riser for deep water offshore structures66US 4,728,224 AConoco Inc. · 1988
- Flexible pipe for riser in off-shore oil production66US 6,123,114 ACoflexip · 2000
- Hose construction62US 4,384,595 AParker-Hannifin Corporation · 1983