F25B 2313/0233
In parallel arrangements
Official title: in parallel arrangements
F25B2313/0233 (In parallel arrangements) appears on 624 US grants and 849 published applications in this corpus.
Search patents in F25B- Granted patents
- 624
- Published applications
- 849
- Assignees
- 119
- Inventors
- 1,124
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 9 |
| 2004 | 9 | 21 |
| 2005 | 9 | 14 |
| 2006 | 10 | 22 |
| 2007 | 8 | 5 |
| 2008 | 6 | 10 |
| 2009 | 7 | 21 |
| 2010 | 9 | 18 |
| 2011 | 9 | 27 |
| 2012 | 10 | 18 |
| 2013 | 8 | 22 |
| 2014 | 5 | 27 |
| 2015 | 22 | 55 |
| 2016 | 24 | 35 |
| 2017 | 42 | 53 |
| 2018 | 46 | 34 |
| 2019 | 52 | 50 |
| 2020 | 39 | 84 |
| 2021 | 49 | 66 |
| 2022 | 68 | 82 |
| 2023 | 35 | 56 |
| 2024 | 65 | 59 |
| 2025 | 58 | 36 |
| 2026 | 23 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air conditioner15 Sep 2026US 12,736,261 B2LG Electronics Inc.
- Air conditioner1 Sep 2026US 12,723,784 B2LG Electronics Inc.
- Air conditioning system25 Aug 2026US 12,716,624 B2Daikin Industries, Ltd.
- Refrigeration cycle apparatus and optimization method25 Aug 2026US 12,716,625 B2Mitsubishi Electric Corporation
- Variable refrigerant flow system and control method18 Aug 2026US 12,710,207 B2Guangdong Carrier Hvac Co., Ltd.
- Multi-type air-conditioning device8 Oct 2026US 2026/0309383 A1
- System and method for heating and cooling24 Sep 2026US 2026/0287196 A1Daikin Industries, Ltd.
- Outdoor unit for air conditioning and air conditioner20 Aug 2026US 2026/0243449 A1Carrier Japan Corporation
- Air conditioner30 Jul 2026US 2026/0218922 A1LG Electronics Inc.
- Refrigeration cycle apparatus30 Jul 2026US 2026/0218949 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Air conditioner and method of controlling the same52US 7,040,107 B2Samsung Electronics Co., Ltd. · 2006
- Heat pump system with multi-stage compression33US 7,654,104 B2Purdue Research Foundation · 2010
- Heating/cooling system31US 7,716,943 B2Electro Industries, Inc. · 2010
- Inverter-aided multisystem air conditioner with control functions of refrigerant distribution and superheating states30US 4,766,735 AKabushiki Kaisha Toshiba · 1988
- Air conditioner system having a refrigerant distributor and method of making same22US 5,743,111 AHitachi, Ltd. · 1998