F16L 25/0009
Joints for pipes with a square or rectangular cross-section
Official title: {Joints for pipes with a square or rectangular cross-section}
F16L25/0009 (Joints for pipes with a square or rectangular cross-section) appears on 66 US grants and 59 published applications in this corpus.
Search patents in F16L- Granted patents
- 66
- Published applications
- 59
- Assignees
- 41
- Inventors
- 105
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 5 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 5 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 3 |
| 2015 | 6 | 2 |
| 2016 | 3 | 3 |
| 2017 | 4 | 4 |
| 2018 | 3 | 7 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 5 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for joining and hanging ducts17 Feb 2026US 12,553,551 B2
- Conversion pipe arrangement, substrate processing apparatus, method of processing substrate, and method of manufacturing semiconductor device3 Feb 2026US 12,540,695 B2Kokusai Electric Corporation
- System and method for joining and hanging ducts20 Jan 2026US 12,529,437 B2H J Fischer, LLC
- Non-round plug and seal with radial offset capabilities14 Oct 2025US 12,442,473 B1Freudenberg-NOK General Partnership
- Fire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours and other materials16 Sep 2025US RE50,587 E1Vaughanair Canada Ulc
- System and method for joining and hanging ducts24 Oct 2024US 2024/0353037 A1
- Thermal protection component, battery, and electric apparatus12 Sep 2024US 2024/0304892 A1Contemporary Amperex Technology Co., Limited
- Conversion pipe arrangement, substrate processing apparatus, method of processing substrate, and method of manufacturing semiconductor device21 Mar 2024US 2024/0093813 A1Kokusai Electric Corporation
- Sealing interface to adjust radial and angular offset29 Dec 2022US 2022/0412490 A1Lam Research Corporation
- Fluid handling couplings19 May 2022US 2022/0154864 A1Colder Products Company
Most cited
By later US patents
- Methods and devices for joining panels89US 6,364,374 B12002
- Universal connector for downspout drainage extensions44US 5,375,891 AMetro Eavestroughing Ltd. · 1994
- Apparatus for a fire-rated duct41US 7,195,290 B22007
- Universal connector for downspout drainage extension33US 5,511,829 AMetro Eavestroughing Ltd. · 1996
- Device for securing adjacent segments of fibrous glass duct work and the like and a system including said device29US 6,213,522 B1CertainTeed Corporation · 2001