F16L 33/28
Arrangements for connecting hoses to rigid members: for hoses with one end
Official title: for hoses with one end terminating in a radial flange or collar
F16L33/28 (Arrangements for connecting hoses to rigid members: for hoses with one end) appears on 91 US grants and 80 published applications in this corpus.
Search patents in F16L- Granted patents
- 91
- Published applications
- 80
- Assignees
- 91
- Inventors
- 210
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 6 |
| 2014 | 3 | 5 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 4 | 5 |
| 2021 | 4 | 5 |
| 2022 | 6 | 8 |
| 2023 | 4 | 6 |
| 2024 | 6 | 8 |
| 2025 | 11 | 5 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Centering interface15 Sep 2026US 12,736,166 B2Braun Avitum AG
- Flexible pipe and a method of manufacturing a flexible pipe11 Aug 2026US 12,704,209 B2Polyflow LLC
- Garden fluid flow connectors10 Feb 2026US 12,546,417 B2Exel Industries
- Plumbing connectors with negative Poisson's ratio material coating10 Feb 2026US 12,546,419 B2
- Hydraulic coupling device3 Feb 2026US 12,540,697 B2Tesla, Inc.
- Hydraulic coupling device21 May 2026US 2026/0139776 A1Tesla, Inc.
- Flexible Pipe and a Method of Manufacturing a Flexible Pipe14 May 2026US 2026/0132874 A1Polyflow LLC
- End fittings for flexible pipe segments11 Sep 2025US 2025/0283564 A1FMC Technologies, Inc.
- Tubing junction assembly22 May 2025US 2025/0164049 A1CareFusion 303, Inc.
- Centering interface22 May 2025US 2025/0164052 A1Braun Avitum AG
Most cited
By later US patents
- Deformable sleeve for a pinch valve80US 4,523,738 ARed Valve Company, Inc. · 1985
- Connection end-piece of a flexible pipe for transporting fluid and associated method30US 10,451,206 B2Technip France · 2019
- Reinforced hose and retainer ring assembly28US 6,000,435 AMcDonnell Douglas Corporation · 1999
- Method for attaching an ANSI stub-end flanged connector to a composite tubular member27US 6,361,080 B1Hydril Company · 2002
- Process for producing fibre reinforced plastic tubes with flanges25US 4,065,339 ABayer Aktiengesellschaft · 1977