F22B 37/44
Of safety valves
Official title: of safety valves
F22B37/44 (Of safety valves) appears on 19 US grants and 10 published applications in this corpus.
Search patents in F22B- Granted patents
- 19
- Published applications
- 10
- Assignees
- 19
- Inventors
- 48
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam discharge pipe blowback protection system15 Oct 2024US 12,116,907 B1General Electric Company
- Method and apparatus for vaporizing a liquid27 Aug 2024US 12,072,065 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Device for converting a liquid into vapour11 Aug 2020US 10,737,194 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Steam vent system1 Oct 2019US 10,428,514 B2Consolidated Edison Company of New York, Inc.
- Furnace cooling by steam and air injection5 Jun 2018US 9,989,244 B2The Babcock & Wilcox Company
- Superheated steam generator21 May 2026US 2026/0139828 A1Tokuden Co., Ltd.
- Superheated steam generator21 May 2026US 2026/0139829 A1Tokuden Co., Ltd.
- Steam generation system and steam apparatus19 Dec 2024US 2024/0416392 A1New Watt (Fujian) High-Tech Co. Ltd
- Vaporizer and vaporization supply device28 Mar 2024US 2024/0101446 A1Fujikin Incorporated
- Method and apparatus for vaporizing a liquid19 May 2022US 2022/0154885 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Electric steam generator having molded plastic lid and base secured together by a snap-fit connection arrangement15US 5,305,415 AEarlex Limited · 1994
- Valve control system for power generating plants8US 4,842,244 ANiagara Mohawk Power Corporation · 1989
- Low pressure relief valve assembly for high pressure boiler6US 4,495,899 A1985
- Discharge conduits of steam generators and the like5US 4,166,477 ABertin & Cie · 1979
- Live steam shut-off device for pressurized water reactors5US 4,280,871 AKraftwerk Union Aktiengesellschaft · 1981