F22B 29/062
Involving vertically-disposed water tubes
Official title: {involving vertically-disposed water tubes}
F22B29/062 (Involving vertically-disposed water tubes) appears on 30 US grants and 20 published applications in this corpus.
Search patents in F22B- Granted patents
- 30
- Published applications
- 20
- Assignees
- 12
- Inventors
- 42
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 0 |
| 2016 | 2 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Water feedback in vertical forced-flow steam generators4 Jul 2023US 11,692,703 B2Siemens Energy Global GmbH & Co. KG
- Transition casting for boiler with steam cooled upper furnace9 Apr 2019US 10,253,972 B2The Babcock & Wilcox Company
- Steam generator30 Jan 2018US 9,879,853 B2Siemens Aktiengesellschaft
- Continuous flow steam generator with a two-pass boiler design6 Jun 2017US 9,671,105 B2Siemens Aktiengesellschaft
- Once-through steam generator21 Feb 2017US 9,574,766 B2Siemens Aktiengesellschaft
- Multi-tube once-through boiler2 Jun 2022US 2022/0170626 A1
- Water feedback in vertical forced-flow steam generators6 May 2021US 2021/0131312 A1Siemens Aktiengesellschaft
- Transition casting for boiler with steam cooled upper furnace19 Oct 2017US 2017/0299172 A1The Babcock & Wilcox Company
- Continuous flow steam generator with a two-pass boiler design23 Jun 2016US 2016/0178188 A1Siemens Aktiengesellschaft
- Once-through steam generator23 Jun 2016US 2016/0178190 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Forced flow vapor generator plant20US 4,430,962 ASulzer Brothers Limited · 1984
- Fossil fuel-fired once-through flow stream generator13US 5,735,236 ASiemens Aktiengesellschaft · 1998
- Use of single-lead and multi-lead ribbed tubing for sliding pressure once-through boilers12US 5,390,631 AThe Babcock & Wilcox Company · 1995
- Once-through steam generator and method for starting up a once-through steam generator10US 6,192,837 B1Siemens Aktiengesellschaft · 2001
- System for and method of generating steam for use in oil recovery processes10US 6,675,747 B1Foster Wheeler Energy Corporation · 2004