F25B 2313/0232
With bypasses
Official title: with bypasses
F25B2313/0232 (With bypasses) appears on 97 US grants and 104 published applications in this corpus.
Search patents in F25B- Granted patents
- 97
- Published applications
- 104
- Assignees
- 52
- Inventors
- 248
- Latest grant
- 17 Feb 2026
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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 4 |
| 2004 | 4 | 5 |
| 2005 | 4 | 4 |
| 2006 | 2 | 3 |
| 2007 | 2 | 1 |
| 2008 | 3 | 1 |
| 2009 | 0 | 2 |
| 2010 | 4 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 0 | 5 |
| 2014 | 1 | 9 |
| 2015 | 0 | 10 |
| 2016 | 8 | 4 |
| 2017 | 10 | 4 |
| 2018 | 8 | 4 |
| 2019 | 5 | 6 |
| 2020 | 6 | 4 |
| 2021 | 2 | 9 |
| 2022 | 7 | 8 |
| 2023 | 8 | 5 |
| 2024 | 9 | 5 |
| 2025 | 4 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioner17 Feb 2026US 12,553,630 B2Fujitsu General Limited
- Thermodynamic heat recovery without an additional thermodynamic circuit14 Oct 2025US 12,442,567 B2Lennox Industries Inc.
- Refrigeration device and oil cooling device27 May 2025US 12,313,312 B2Daikin Industries, Ltd.
- Cooling system of a vehicle, comprising a coolant circuit which can be operated as a cooling circuit for an AC operation and as a heat pump circuit for a heating operation13 May 2025US 12,296,649 B2Audi AG
- Systems and methods for defrost of heat pump systems11 Mar 2025US 12,247,771 B2Daikin Comfort Technologies Manufacturing, L.P.
- Thermodynamic heat recovery without an additional thermodynamic circuit15 Jan 2026US 2026/0016201 A1Lennox Industries Inc.
- Multi-air conditioner30 Oct 2025US 2025/0334285 A1Samsung Electronics Co., Ltd.
- Heat Pump Technology with Refrigerant-Based Thermal Storage18 Sep 2025US 2025/0290644 A1University of Cincinnati
- Refrigeration device12 Jun 2025US 2025/0189187 A1Daikin Europe N.V.
- Heat pump and water heater13 Mar 2025US 2025/0085032 A1Climate Master, Inc.
Most cited
By later US patents
- Air conditioning system with variable condenser reheat for enhanced dehumidification125US 6,826,921 B1Lennox Industries Inc. · 2004
- Control device for heat pump with hot-water supply facility66US 4,943,003 ASanden Corporation · 1990
- Air conditioner for vehicles61US 5,598,887 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Auxiliary coil arrangement43US 4,173,865 AGeneral Electric Company · 1979
- Multi-type air conditioner system with optimum control for gaseous flow adjustment valve and liquid expansion valve35US 5,263,333 AKabushiki Kaisha Toshiba · 1993