F16L 51/03
Comprising two or more bellows
Official title: comprising two or more bellows
F16L51/03 (Comprising two or more bellows) appears on 39 US grants and 34 published applications in this corpus.
Search patents in F16L- Granted patents
- 39
- Published applications
- 34
- Assignees
- 42
- Inventors
- 81
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 4 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 5 | 5 |
| 2020 | 2 | 5 |
| 2021 | 4 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat insulation pipe13 Jan 2026US 12,523,334 B2Honda Motor Co., Ltd.
- Connecting system for connecting components in an aircraft4 Mar 2025US 12,241,574 B2Airbus Operations GmbH
- Optimized connection assembly between two portions of a supply line for a cryogenic fluid, including an additional thermal insulation chamber and a fluid expansion chamber13 Aug 2024US 12,060,965 B2Airbus Operations GmbH
- Flange joint assembly for flammable liquid2 Jan 2024US 11,859,740 B2Monsanto Technology LLC
- Flange joint assembly for flammable liquid18 Jul 2023US 11,703,167 B2Monsanto Technology LLC
- Curved pipe segment for transporting a cryogenic fluid, associated arrangement and aircraft11 Jun 2026US 2026/0160372 A1Airbus Operations GmbH
- Multi-axis compensator and vacuum arrangement5 Mar 2026US 2026/0063233 A1Von Ardenne Asset GmbH & Co. KG
- Heat insulation pipe3 Oct 2024US 2024/0328567 A1Honda Motor Co., Ltd.
- Device for Decoupling and for Vibration Control16 Nov 2023US 2023/0366387 A1Aborra AG
- Optimized connection assembly between two portions of a supply line for a cryogenic fluid, including an additional thermal insulation chamber and a fluid expansion chamber4 May 2023US 2023/0139421 A1Airbus Operations GmbH
Most cited
By later US patents
- Dryer duct and vent assembly including a flexible duct portions36US 5,121,948 ABuilder's Pride, Inc. · 1992
- Extendible-contractible, flexible, helical conduit and coupling assembly18US 5,133,579 ABuilder's Pride, Inc. · 1992
- Turbocharger pressure compensation system16US 5,791,144 AAlliedSignal Inc. · 1998
- Multibellows element16US 6,062,266 AWitzenmann GmbH Metallschlauch-Fabrik Pforzheim · 2000
- Flexible pipe connecting device for high temperature fluid14US 5,011,194 AKawasaki Jukogyo Kabushiki Kaisha · 1991