F16L 59/153
For flexible pipes
Official title: for flexible pipes
F16L59/153 (For flexible pipes) appears on 123 US grants and 132 published applications in this corpus.
Search patents in F16L- Granted patents
- 123
- Published applications
- 132
- Assignees
- 107
- Inventors
- 316
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 4 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 8 |
| 2009 | 5 | 4 |
| 2010 | 0 | 12 |
| 2011 | 2 | 7 |
| 2012 | 5 | 9 |
| 2013 | 6 | 6 |
| 2014 | 5 | 4 |
| 2015 | 5 | 7 |
| 2016 | 5 | 3 |
| 2017 | 4 | 6 |
| 2018 | 4 | 4 |
| 2019 | 8 | 8 |
| 2020 | 6 | 8 |
| 2021 | 4 | 5 |
| 2022 | 2 | 3 |
| 2023 | 5 | 4 |
| 2024 | 6 | 8 |
| 2025 | 6 | 4 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air duct and air system and methods and uses of said air duct and air system16 Dec 2025US 12,498,077 B2Dec Technologies B.V.
- Connector and method for connecting composite pipelines9 Dec 2025US 12,492,762 B2Purapipe USA, Inc.
- Water pipe winterizing assembly2 Sep 2025US 12,404,963 B2
- Pipe for conveying fluids in HVACR systems8 Jul 2025US 12,352,379 B2Ptubes, Inc.
- Flexible conduit for control cable having flame retardant outer sleeve15 Apr 2025US 12,276,367 B2ITT Manufacturing Enterprises, Inc.
- Extreme coolant hose assembly with heater system for cover heating18 Jun 2026US 2026/0168599 A1Parker-Hannifin Corporation
- Flexible pipe for liquid hydrogen30 Apr 2026US 2026/0117914 A1General Electric Company
- Composite storage tank for liquid hydrogen30 Apr 2026US 2026/0117931 A1General Electric Company
- Multi-layer heat insulated pipeline for conveying gas23 Apr 2026US 2026/0110385 A1
- Transfer line arrangement19 Mar 2026US 2026/0077997 A1Nexans
Most cited
By later US patents
- Composite tubing product726US 4,194,536 AEaton Corporation · 1980
- Flexible heat-insulated pipe-line for in particular cryogenic fluids76US 4,417,603 ATechnigaz · 1983
- Method and apparatus for producing tube65US 4,343,672 A1982
- Automotive catalytic converter exhaust system64US 4,345,430 AManville Service Corporation · 1982
- Fire and corrosion protected hose49US 4,942,903 AEB Norsk Kabel a.s · 1990