D06F 2103/50
Related to heat pumps
Official title: related to heat pumps, e.g. pressure or flow rate
D06F2103/50 (Related to heat pumps) appears on 107 US grants and 166 published applications in this corpus.
Search patents in D06F- Granted patents
- 107
- Published applications
- 166
- Assignees
- 39
- Inventors
- 282
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 12 |
| 2011 | 0 | 9 |
| 2012 | 2 | 5 |
| 2013 | 5 | 4 |
| 2014 | 4 | 15 |
| 2015 | 7 | 15 |
| 2016 | 8 | 16 |
| 2017 | 9 | 7 |
| 2018 | 8 | 14 |
| 2019 | 12 | 11 |
| 2020 | 13 | 4 |
| 2021 | 8 | 10 |
| 2022 | 5 | 10 |
| 2023 | 4 | 3 |
| 2024 | 4 | 3 |
| 2025 | 11 | 9 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion resistance in heat pump and laundry appliances28 Apr 2026US 12,612,727 B2Haier US Appliance Solutions, Inc.
- Apparatus for treating laundry and control method thereof24 Feb 2026US 12,559,881 B2LG Electronics Inc.
- Dryer and control method therefor7 Oct 2025US 12,435,461 B2Samsung Electronics Co., Ltd.
- Compressor frequency regulation method, control apparatus, heat exchange device and electronic device7 Oct 2025US 12,435,915 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Dryer and method of controlling the same23 Sep 2025US 12,421,651 B2Samsung Electronics Co., Ltd.
- Utilizing air moisture sensor and compressor power sensor data within a laundry appliance to detect refrigerant leaks8 Oct 2026US 2026/0308832 A1Haier US Appliance Solutions, Inc.
- Clothes treating apparatus and controlling method therefor10 Sep 2026US 2026/0265975 A1Samsung Electronics Co., Ltd.
- Method for controlling laundry treating apparatus20 Aug 2026US 2026/0243013 A1LG Electronics Inc.
- Apparatus for treating laundry and control method thereof28 May 2026US 2026/0146382 A1LG Electronics Inc.
- Laundry treating apparatus8 Jan 2026US 2026/0013244 A1LG Electronics Inc.
Most cited
By later US patents
- Energy efficient clothes dryer100US 4,621,438 A1986
- Appliance for drying laundry27US 9,372,031 B2Electrolux Home Products, Inc. · 2016
- Method of operating a variable speed motor in a laundry treatment apparatus26US 9,356,542 B2Electrolux Appliances Aktiebolag · 2016
- Appliance for drying laundry24US 9,435,069 B2Electrolux Home Products, Inc. · 2016
- Heat pump device and drying machine21US 7,325,333 B2Sanyo Electric Co., Ltd. · 2008