F22D 1/30
With stages, steps, baffles, dishes, circular troughs, or other means to cause
Official title: with stages, steps, baffles, dishes, circular troughs, or other means to cause interrupted or cascading fall of water
F22D1/30 (With stages, steps, baffles, dishes, circular troughs, or other means to cause) appears on 4 US grants and 3 published applications in this corpus.
Search patents in F22D- Granted patents
- 4
- Published applications
- 3
- Assignees
- 3
- Inventors
- 13
- Latest grant
- 21 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Deaerator (options)21 Jul 2020US 10,718,510 B2Joint-Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt
- Heat exchangers, boilers, and systems incorporating the same6 Oct 2015US 9,151,184 B2
- Deaerator tray for a steam boiler feedwater heater system1 Jan 1991US 4,981,113 ACrane Co.
- Deaerator tray for a steam boiler feedwater heater system26 Jul 1988US 4,759,315 ACrane Co.
Most cited
By later US patents
- Deaerator tray for a steam boiler feedwater heater system17US 4,759,315 ACrane Co. · 1988
- Deaerator tray for a steam boiler feedwater heater system14US 4,981,113 ACrane Co. · 1991
- Deaerator (options)1US 10,718,510 B2Joint-Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt · 2020