F22B 37/222
Nozzle dams introduced through a smaller manway
Official title: {Nozzle dams introduced through a smaller manway, e.g. foldable}
F22B37/222 (Nozzle dams introduced through a smaller manway) appears on 48 US grants and 3 published applications in this corpus.
Search patents in F22B- Granted patents
- 48
- Published applications
- 3
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Oval-shaped metal tank systems2 Jan 2024US 11,859,160 B2Spokane Stainless Technologies, Inc.
- Nozzle for steam injection6 Dec 2022US 11,519,250 B2Variperm Energy Services Inc.
- Sealed stopper for an opening in a junction tubing between a housing and a pipe, and method for implementing said stopper7 Oct 2014US 8,851,123 B2Areva Np
- Coolant pipe blocking device for use in a nuclear power plant2 Feb 1999US 5,867,547 A
- System for sealing the nozzle of a steam generator9 Dec 1997US 5,695,003 AFoster-Miller, Inc.
- Oval-Shaped Metal Tank Systems24 Jun 2021US 2021/0189307 A1Spokane Industries
- Nozzle for steam injection22 Apr 2021US 2021/0115769 A1RGL Reservoir Management Inc.
- Sealed stopper for an opening in a junction tubing between a housing and a pipe, and method for implementing said stopper3 May 2012US 2012/0103995 A1Areva Np
Most cited
By later US patents
- Dual seal nozzle dam and alignment means therefor55US 4,671,326 AWestinghouse Electric Corp. · 1987
- Nozzle dam translocating system36US 4,959,192 ATennesse Valley Authority · 1990
- Nozzle dam remote installation system and technique36US 5,042,861 ATennessee Valley Authority · 1991
- Nozzle dam remote installation system and technique34US 4,989,818 ATennessee Valley Authority · 1991
- Nozzle dam remote installation system and technique34US 5,006,302 ATennessee Valley Authority · 1991