F16L 59/163
Branch units
Official title: {Branch units; Insulation forming a whole with branches}
F16L59/163 (Branch units) appears on 30 US grants and 28 published applications in this corpus.
Search patents in F16L- Granted patents
- 30
- Published applications
- 28
- Assignees
- 28
- Inventors
- 87
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 5 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Insulated subassembly22 Apr 2025US 12,281,743 B2Georg Fischer Rohrleitungssysteme AG
- Fluid pipe connection4 Mar 2025US 12,241,577 B2Airbus Operations GmbH
- Composite insulation system2 Apr 2024US 11,946,584 B2Nelson Global Products, Inc.
- Modular heater assemblies for use in fluid conduits26 Mar 2024US 11,940,078 B2Watlow Electric Manufacturing Company
- Pipe joint and piping structure12 Dec 2023US 11,840,829 B2Sekisui Chemical Co., Ltd.
- Method for producing pre-insulated fittings25 Dec 2025US 2025/0387990 A1Georg Fischer Rohrleitungssysteme AG
- A connector piece and a method of manufacturing a connector piece for ventilation ducts resisting high temperatures8 Aug 2024US 2024/0263828 A1Climate Recovery Ind AB
- Insulated subassembly6 Jul 2023US 2023/0213138 A1Georg Fischer Rohrleitungssysteme AG
- Fluid pipe connection2 Mar 2023US 2023/0061814 A1Airbus Operations GmbH
- Pipe joint and piping structure16 Jun 2022US 2022/0186479 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Ring seal collar for air ducts21US 4,930,815 ACrown Products, LLC · 1990
- Resealable sealing assembly for inspection port hole19US 4,091,842 AThe Dow Chemical Company · 1978
- Insulation seal for inspection holes18US 5,014,866 A1991
- Pipe coupler for insulated pipes15US 4,465,307 AWavin B. V. · 1984
- Removable reusable pipe insulation section14US 5,941,287 ACorick, Inc. · 1999