F22B 37/265
Apparatus for washing and purifying steam
Official title: {Apparatus for washing and purifying steam}
F22B37/265 (Apparatus for washing and purifying steam) appears on 6 US grants and 6 published applications in this corpus.
Search patents in F22B- Granted patents
- 6
- Published applications
- 6
- Assignees
- 6
- Inventors
- 17
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat exchanger using non-pure water for steam generation19 Oct 2021US 11,149,940 B2
- Once through steam generator with 100% quality steam output10 Nov 2020US 10,830,431 B2Canada J-R Consulting Inc.
- Methods and devices for producing high purity steam6 Jan 2015US 8,926,731 B2RASIRC, Inc.
- Inverse flash steam purifier1 Feb 1994US 5,282,876 AThe United States of America as represented by the Secretary of the Navy
- Oil separation system using superheat21 Oct 1986US 4,617,808 A
- Power plant and water cleaning method for a once-through water/steam cycle of a power plant14 Jul 2022US 2022/0220859 A1Siemens Energy Global GmbH & Co. KG
- Once Through Steam Generator with 100% Quality Steam Output14 Feb 2019US 2019/0049104 A1Canada J-R Consulting Inc.
- Method for processing a liquid medium and processing plant22 Mar 2018US 2018/0080646 A1Siemens Aktiengesellschaft
- Heat exchanger using non-pure water for steam generation9 Nov 2017US 2017/0321882 A1
- Methods and devices for producing high purity steam12 Sep 2013US 2013/0233170 A1RASIRC, Inc.
Most cited
By later US patents
- Oil separation system using superheat18US 4,617,808 A1986
- Apparatus and method for separating impurities from geothermal steam and the like14US 4,261,708 AVibration and Noise Engineering Corporation · 1981
- Methods and devices for producing high purity steam10US 8,926,731 B2RASIRC, Inc. · 2015
- Inverse flash steam purifier3US 5,282,876 AThe United States of America as represented by the Secretary of the Navy · 1994
- Heat exchanger using non-pure water for steam generation1US 11,149,940 B22021