F22B 37/50
For draining or expelling water
Official title: for draining or expelling water
F22B37/50 (For draining or expelling water) appears on 34 US grants and 39 published applications in this corpus.
Search patents in F22B- Granted patents
- 34
- Published applications
- 39
- Assignees
- 36
- Inventors
- 113
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 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 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 3 |
| 2015 | 2 | 5 |
| 2016 | 1 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 4 | 5 |
| 2020 | 1 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steam treatment appliance and method for cleaning a steam treatment appliance16 Dec 2025US 12,498,120 B2BSH Hausgeräte GmbH
- Steam utilization system of factory producing concrete pipe pile2 Dec 2025US 12,485,577 B2Guangdong University of Technology
- Steam generator and cooking apparatus including steam generator28 Nov 2023US 11,828,458 B2LG Electronics Inc.
- Closed circuit functioning according to a Rankine cycle with a device for the emergency stopping of the circuit, and method using such a circuit13 Jul 2021US 11,060,423 B2Enogia
- Steam generator29 Jun 2021US 11,047,567 B2
- Load adjustable electrode steam boiler27 Aug 2026US 2026/0251295 A1Fangkuai Boiler Co., Ltd.
- Steam Separator and Boiling Water Reactor Including Same6 Jun 2024US 2024/0183527 A1Hitachi-GE Nuclear Energy, Ltd.
- Liquid level estimation in a steam generation system4 Apr 2024US 2024/0110697 A1Whirlpool Corporation
- Steam utilization system of factory producting concrete pipe pile24 Aug 2023US 2023/0264387 A1Guangdong University of Technology
- Modular steam generator16 Jun 2022US 2022/0183496 A1Whirlpool Corporation
Most cited
By later US patents
- Circuit assembly for once-through steam generators41US 6,019,070 A2000
- Electronically controlled electric steam humidifier37US 4,705,936 AMasco Corporation · 1987
- Tank flushing delay arrangement for a steam generator32US 4,287,407 AHobart Corporation · 1981
- Operation of a vaporizer of a domestic appliance30US 10,349,775 B2BSH Hausgeräte GmbH · 2019
- Burst pulse cleaning method and apparatus for liquid delivery system22US 6,178,925 B2Advanced Technology Materials, Inc. · 2001