F28F 11/06
Arrangements for sealing leaky tubes and conduits: using automatic tube obturating appliances
Official title: using automatic tube obturating appliances
F28F11/06 (Arrangements for sealing leaky tubes and conduits: using automatic tube obturating appliances) appears on 7 US grants and 3 published applications in this corpus.
Search patents in F28F- Granted patents
- 7
- Published applications
- 3
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
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| 1995 | 0 | 0 |
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| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat exchanger tube plug installation23 Apr 2024US 11,965,619 B2EST Group, Inc.
- Heat exchanger tube plug installation17 Oct 2023US 11,788,663 B2EST Group, Inc.
- Thermal camouflage device and vehicle comprising such a device9 Jul 2019US 10,345,080 B2Nexter Systems
- Baffle system and method for a heat exchanger located within a casing of a heat recovery steam generator1 May 2018US 9,958,217 B1Nooter/Eriksen, Inc.
- Robotic arm for delivering a tube plugging tool7 Aug 1990US 4,945,979 AWestinghouse Electric Corp.
Most cited
By later US patents
- Robotic arm for delivering a tube plugging tool6US 4,945,979 AWestinghouse Electric Corp. · 1990
- Baffle system and method for a heat exchanger located within a casing of a heat recovery steam generator6US 9,958,217 B1Nooter/Eriksen, Inc. · 2018
- Emergency shut-off device, in case of leakage of a steam generator tube3US 4,469,051 ANovatome · 1984
- Sealing apparatus for automobile radiators2US 4,825,937 A1989