F22B 29/067
Operating at critical or supercritical pressure
Official title: {operating at critical or supercritical pressure}
F22B29/067 (Operating at critical or supercritical pressure) appears on 14 US grants and 16 published applications in this corpus.
Search patents in F22B- Granted patents
- 14
- Published applications
- 16
- Assignees
- 12
- Inventors
- 58
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Feedwater control for a forced-flow waste-heat steam generator20 Dec 2022US 11,530,812 B2Siemens Energy Global GmbH & Co. KG
- Once-through vertical tubed supercritical evaporator coil for an HRSG28 Apr 2020US 10,634,339 B2Nooter/Eriksen, Inc.
- Heat transfer tube including a groove portion having a spiral shape extending continuously and a rib portion extending continuously and protruding inward by the groove portion20 Nov 2018US 10,132,494 B2Mitsubishi Hitachi Power Systems, Ltd.
- Evaporator and rankine cycle system18 Sep 2018US 10,077,684 B2Panasonic Corporation
- Advanced ultra supercritical steam generator23 Jan 2018US 9,874,346 B2The Babcock & Wilcox Company
- Feedwater control for a forced-flow waste-heat steam generator4 Nov 2021US 2021/0341139 A1Siemens Energy Global GmbH & Co. KG
- Once-through vertical tubed supercritical evaporator coil for an hrsg26 Oct 2017US 2017/0307208 A1Nooter/Eriksen, Inc.
- Evaporator and rankine cycle system9 Feb 2017US 2017/0037743 A1Panasonic Corporation
- Heat transfer tube, boiler and steam turbine device3 Nov 2016US 2016/0320052 A1Mitsubishi Hitachi Power Systems, Ltd.
- Vertical multiple passage drainable heated surfaces with headers-equalizers and forced circulation14 Apr 2016US 2016/0102926 A1
Most cited
By later US patents
- Forced-flow once-through boiler for variable supercritical pressure operation8US 4,331,105 AMitsubishi Jukogyo Kabushiki Kaisha · 1982
- Supercritical pressure once-through boiler5US 4,862,692 AMitsubishi Jukogyo Kabushiki Kaisha · 1989
- Steam generator4US 5,687,676 AMitsubishi Jukogyo Kabushiki Kaisha · 1997
- Once-through steam generator and a method of configuring a once-through steam generator2US 5,967,097 ASiemens Aktiengesellschaft · 1999
- Steam generator2US 9,062,918 B2Tsinghua University · 2015