F16L 11/20
Double-walled hoses
F16L11/20 (Double-walled hoses) appears on 180 US grants and 193 published applications in this corpus.
Search patents in F16L- Granted patents
- 180
- Published applications
- 193
- Assignees
- 141
- Inventors
- 420
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 1 |
| 2003 | 5 | 3 |
| 2004 | 1 | 5 |
| 2005 | 1 | 3 |
| 2006 | 2 | 6 |
| 2007 | 1 | 9 |
| 2008 | 3 | 4 |
| 2009 | 1 | 6 |
| 2010 | 4 | 4 |
| 2011 | 3 | 2 |
| 2012 | 5 | 6 |
| 2013 | 1 | 6 |
| 2014 | 5 | 7 |
| 2015 | 1 | 15 |
| 2016 | 10 | 9 |
| 2017 | 12 | 14 |
| 2018 | 8 | 9 |
| 2019 | 10 | 3 |
| 2020 | 10 | 17 |
| 2021 | 11 | 14 |
| 2022 | 12 | 13 |
| 2023 | 13 | 8 |
| 2024 | 8 | 13 |
| 2025 | 9 | 9 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for removable mounting of a hose into an air-conditioning duct15 Sep 2026US 12,736,167 B2
- Faucet with coupling system1 Sep 2026US 12,723,383 B2Fortune Brands Water Innovations LLC
- Composite telescopic hose and preparation method thereof4 Aug 2026US 12,698,381 B2Shaoxing Shangyu District Fenghua Metal Products Factory
- Wand for pullout faucet26 May 2026US 12,637,845 B2Fortune Brands Water Innovations LLC
- Thermally insulated transfer line12 May 2026US 12,624,789 B2MAGNA Energy Storage Systems GesmbH
- Coextruded tubing and methods of manufacturing the same1 Oct 2026US 2026/0298376 A1
- Apparatus, system and method for use with utility tunnels6 Aug 2026US 2026/0226830 A1British Telecommunications Public Ltd.Co.
- Nestled hose16 Jul 2026US 2026/0201984 A1Treadstone Innovations, LLC
- Multi-layer heat insulated pipeline for conveying gas23 Apr 2026US 2026/0110385 A1
- Expandable hose16 Apr 2026US 2026/0104113 A1
Most cited
By later US patents
- Concentric hose coupling with cuff assembly surrounding an end of the outer hose126US 5,398,977 ADayco Products, Inc. · 1995
- Fluid delivery pipe with leak detection113US 6,032,699 AFuron Company · 2000
- Expandable and contractible hose93US 8,291,941 B1Blue Gentian, LLC · 2012
- Distributed accumulator81US 4,651,781 ANorthrop Corporation · 1987
- Expandable hose assembly69US 8,291,942 B2Blue Gentian, LLC · 2012