F25B 41/355
By electric heating of bimetal elements, shape memory elements or heat expanding
Official title: by electric heating of bimetal elements, shape memory elements or heat expanding elements
F25B41/355 (By electric heating of bimetal elements, shape memory elements or heat expanding) appears on 24 US grants and 5 published applications in this corpus.
Search patents in F25B- Granted patents
- 24
- Published applications
- 5
- Assignees
- 13
- Inventors
- 38
- Latest grant
- 27 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Expansion valve and vapour compression system27 Apr 2021US 10,989,454 B2Danfoss A/S
- Shape memory alloy actuator for valve for a vapour compression system15 Oct 2019US 10,443,753 B2Danfoss A/S
- On-demand micro expansion valve for a refrigeration system25 Jul 2017US 9,714,780 B2Zhejiang Dunan Hetian Metal Co., Ltd.
- Electrical expansion valve28 Jan 2003US 6,510,700 B1Visteon Global Technologies, Inc.
- Multi-load refrigeration system with multiple parallel evaporators10 Dec 2002US 6,490,877 B2Hewlett-Packard Company
- Expansion valve and vapour compression system25 Oct 2018US 2018/0306474 A1Danfoss A/S
- Shape memory alloy actuator for valve for a vapour compression system10 Dec 2015US 2015/0354719 A1Danfoss A/S
- On-Demand Micro Expansion Valve for a Refrigeration System10 Dec 2015US 2015/0354875 A1Zhejiang Dunan Hetian Metal Co., Ltd.
- Variable restrictor21 Aug 2008US 2008/0196430 A1
- Multi-load refrigeration system with multiple parallel evaporators12 Sep 2002US 2002/0124585 A1Hewlett-Packard Company
Most cited
By later US patents
- Refrigeration system with electrically controlled expansion valve89US 5,546,757 AGeneral Electric Company · 1996
- Apparatus for controlling refrigerant feed rate in a refrigeration system55US 4,244,182 AEmerson Electric Co. · 1981
- Low-power thermopneumatic microvalve52US 6,129,331 ARedwood Microsystems, Inc. · 2000
- Multi-load refrigeration system with multiple parallel evaporators48US 6,415,619 B1Hewlett-Packard Company · 2002
- Refrigerator having degree control means and control method thereof46US 5,845,503 ASamsung Electronics Co., Ltd. · 1998