F25B 2313/0252
With bypasses
Official title: with bypasses
F25B2313/0252 (With bypasses) appears on 69 US grants and 77 published applications in this corpus.
Search patents in F25B- Granted patents
- 69
- Published applications
- 77
- Assignees
- 27
- Inventors
- 203
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 7 |
| 2007 | 4 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 6 |
| 2016 | 4 | 4 |
| 2017 | 4 | 6 |
| 2018 | 3 | 1 |
| 2019 | 6 | 4 |
| 2020 | 3 | 8 |
| 2021 | 2 | 6 |
| 2022 | 7 | 4 |
| 2023 | 2 | 3 |
| 2024 | 5 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat pump14 Oct 2025US 12,442,572 B2Yanmar Power Technology Co., Ltd.
- Air conditioner27 May 2025US 12,313,303 B2LG Electronics Inc.
- Air-conditioning apparatus with defrost bypass circuit28 Jan 2025US 12,209,761 B2Mitsubishi Electric Corporation
- Refrigeration cycle device20 Aug 2024US 12,066,222 B2Daikin Industries, Ltd.
- Air-conditioning apparatus5 Mar 2024US 11,920,841 B2Mitsubishi Electric Corporation
- Heat pump and method for operating a heat pump23 Jul 2026US 2026/0210605 A1Viessmann Holding International GmbH
- Hvac cascade heat pump5 Feb 2026US 2026/0036343 A1Carrier Corporation
- Air conditioner25 Sep 2025US 2025/0297763 A1Mitsubishi Electric Corporation
- Dual function water heater and air-conditioning unit11 Jul 2024US 2024/0230116 A1Vaviri (Pty) Ltd
- Air-conditioning apparatus14 Mar 2024US 2024/0085044 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Geothermal heat pump system116US 5,758,514 AEnvirotherm Heating & Cooling Systems, Inc. · 1998
- Control device for heat pump with hot-water supply facility66US 4,943,003 ASanden Corporation · 1990
- Air conditioning system37US 5,142,879 AMitsubishi Denki Kabushiki Kaisha · 1992
- Refrigeration apparatus25US 5,526,649 ADaikin Industries, Ltd. · 1996
- Heat pump system22US 7,263,848 B2Delphi Technologies, Inc. · 2007