F16L 51/027
With external reinforcement
Official title: {with external reinforcement}
F16L51/027 (With external reinforcement) appears on 59 US grants and 47 published applications in this corpus.
Search patents in F16L- Granted patents
- 59
- Published applications
- 47
- Assignees
- 46
- Inventors
- 139
- Latest grant
- 8 Jul 2025
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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 5 | 1 |
| 2016 | 1 | 7 |
| 2017 | 2 | 2 |
| 2018 | 3 | 9 |
| 2019 | 4 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expansion joint8 Jul 2025US 12,352,373 B2Tata Steel Nederland Technology B.V.
- Hose and rigid pipe connecting system used in high pressure system20 Feb 2024US 11,906,088 B2Shanghai Zhongyuan Fuel Rail Manufacture Co., Ltd
- Gimbal joints for bleed air systems20 Dec 2022US 11,530,765 B2Senior IP GmbH
- Expansion joint2 Aug 2022US 11,402,048 B2Borealis AG
- Floating load ring for flexible joint19 Apr 2022US 11,306,853 B2American BOA, Inc.
- Low emission expansion joint assembly20 Aug 2026US 2026/0243385 A1Eagleburgmann Germany GmbH & Co.KG
- Gas distribution system for aircrafts25 Jul 2024US 2024/0246692 A1
- Expansion joint14 Dec 2023US 2023/0400130 A1Tata Steel Nederland Technology B.V.
- Hose and rigid pipe connecting system used in high pressure system6 Oct 2022US 2022/0316635 A1Shanghai Zhongyuan Fuel Rail Manufacture Co., Ltd
- Gimbal Joints for Bleed Air Systems17 Dec 2020US 2020/0393067 A1Senior IP GmbH
Most cited
By later US patents
- Flexible coupler apparatus66US 5,145,215 ASenior Engineering Investments AG · 1992
- Flexible fluid conduit element with a metal bellows45US 5,901,754 AWitzenmann GmbH Metallschlauch-Fabrik Pforzheim · 1999
- Bellows type exhaust tube41US 4,315,558 AKatayama Kogyo Co., Ltd. · 1982
- Flexible tubular device29US 4,147,185 A1979
- Supported flexible thin-walled tube structure29US 4,911,206 AWitzenmann GmbH Metallschlauch-Fabrik Pforzheim · 1990