F25D 2323/00283
The fans allowing rotation in reverse direction
Official title: the fans allowing rotation in reverse direction
F25D2323/00283 (The fans allowing rotation in reverse direction) appears on 10 US grants and 12 published applications in this corpus.
Search patents in F25D- Granted patents
- 10
- Published applications
- 12
- Assignees
- 9
- Inventors
- 25
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for automatically cleaning refrigeration coils19 Mar 2024US 11,933,536 B2Carrier Corporation
- Ice maker with reversing condenser fan motor to maintain clean condenser3 Jan 2023US 11,543,161 B2True Manufacturing Co., Inc.
- Ice maker with reversing condenser fan motor to maintain clean condenser23 Feb 2021US 10,928,110 B2True Manufacturing Co., Inc.
- Phase correction method and apparatus14 Nov 2006US 7,134,290 B2Carrier Corporation
- Cleaning system for refrigerator condenser11 Apr 2006US 7,024,878 B2True Manufacturing Co., Inc.
- System and method for automatically cleaning refrigeration coils4 May 2023US 2023/0134449 A1Carrier Corporation
- Ice maker with reversing condenser fan motor to maintain clean condenser13 May 2021US 2021/0140690 A1True Manufacturing Co., Inc.
- Ice maker with reversing condenser fan motor to maintain clean condenser10 Nov 2016US 2016/0327352 A1True Manufacturing Co., Inc.
- Internal control systems of evaporator and condenser fan motor assemblies of a refrigeration system in a refrigerator unit17 Sep 2015US 2015/0260448 A1True Manufacturing Co., Inc.
- Heating for a transport refrigeration unit operating in cold ambients8 Oct 2009US 2009/0250190 A1Carrier Corporation
Most cited
By later US patents
- Self-cleaning heat exchanger fan assembly and controls41US 5,226,285 ADanhard, Inc. · 1993
- Reverse fan heat pump defrost control system19US 4,178,767 ADunham-Bush, Inc. · 1979
- Cleaning system for refrigerator condenser16US 6,792,769 B2True Manufacturing Co., Inc. · 2004
- Method and apparatus for enhancement of heat pump defrost12US 5,095,711 ACarrier Corporation · 1992
- Cleaning system for refrigerator condenser7US 7,024,878 B2True Manufacturing Co., Inc. · 2006