F25B 2313/0276
Using six-way valves
Official title: using six-way valves
F25B2313/0276 (Using six-way valves) appears on 19 US grants and 26 published applications in this corpus.
Search patents in F25B- Granted patents
- 19
- Published applications
- 26
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 4 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 3 |
| 2024 | 2 | 7 |
| 2025 | 5 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Refrigeration cycle apparatus25 Nov 2025US 12,480,696 B2Mitsubishi Electric Corporation
- Valve21 Oct 2025US 12,449,169 B2Dyson Technology Limited
- Reversible valve for HVAC system26 Aug 2025US 12,398,929 B2Johnson Controls Light Commercial IP GmbH
- Heat pump system17 Jun 2025US 12,331,970 B2Tyco Fire & Security GmbH
- Heat-pump system with multiway valve14 Jan 2025US 12,196,462 B2Copeland Corporation
- Air conditioner25 Sep 2025US 2025/0297763 A1Mitsubishi Electric Corporation
- Air conditioner21 Nov 2024US 2024/0384902 A1Mitsubishi Electric Corporation
- Refrigeration cycle apparatus31 Oct 2024US 2024/0361046 A1Mitsubishi Electric Corporation
- Energy efficient heat pump with valve system and counterflow arrangement17 Oct 2024US 2024/0344746 A1Tyco Fire & Security GmbH
- Refrigeration cycle apparatus11 Jul 2024US 2024/0230181 A9Mitsubishi Electric Corporation
Most cited
By later US patents
- Refrigeration cycle using six-way change-over valve23US 5,634,352 ASanyo Electric Co., Ltd. · 1997
- Refrigerant flow amount control valve and refrigerating apparatus therewith15US 5,626,030 ASanyo Electric Co., Ltd. · 1997
- Six-way directional valve, outdoor unit for air conditioner having the same, and air conditioner7US 10,018,382 B2Gd Midea Heating & Ventilating Equipment Co., Ltd. · 2018
- Reversible valve for HVAC system6US 11,933,523 B2Tyco Fire & Security GmbH · 2024
- Refrigeration cycle apparatus with path switching circuit5US 10,845,099 B2Mitsubishi Electric Corporation · 2020