F25B 2313/0253
In parallel arrangements
Official title: in parallel arrangements
F25B2313/0253 (In parallel arrangements) appears on 254 US grants and 325 published applications in this corpus.
Search patents in F25B- Granted patents
- 254
- Published applications
- 325
- Assignees
- 55
- Inventors
- 599
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 6 |
| 2004 | 4 | 3 |
| 2005 | 2 | 10 |
| 2006 | 1 | 12 |
| 2007 | 3 | 1 |
| 2008 | 2 | 4 |
| 2009 | 4 | 6 |
| 2010 | 6 | 9 |
| 2011 | 3 | 7 |
| 2012 | 2 | 7 |
| 2013 | 4 | 11 |
| 2014 | 2 | 7 |
| 2015 | 10 | 12 |
| 2016 | 6 | 30 |
| 2017 | 14 | 22 |
| 2018 | 23 | 11 |
| 2019 | 29 | 21 |
| 2020 | 12 | 27 |
| 2021 | 16 | 34 |
| 2022 | 25 | 35 |
| 2023 | 19 | 16 |
| 2024 | 23 | 17 |
| 2025 | 15 | 10 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heating, ventilation, and air-conditioning system with reheat28 Jul 2026US 12,693,050 B2Goodman Global Group, Inc.
- Rotary compressor and refrigeration cycle device2 Jun 2026US 12,644,631 B2Carrier Japan Corporation
- Electric component unit, and heat source unit for refrigeration cycle apparatus19 May 2026US 12,631,373 B2Daikin Industries, Ltd.
- Air conditioner17 Mar 2026US 12,578,116 B2LG Electronics Inc.
- Control scheme for automatic fan mode for use with variable refrigerant flow systems24 Feb 2026US 12,560,369 B2Lennox Industries Inc.
- Control scheme for automatic fan mode for use with variable refrigerant flow systems18 Jun 2026US 2026/0168717 A1Lennox Industries Inc.
- Ventilation system and method for controlling the same16 Apr 2026US 2026/0104172 A1Samsung Electronics Co., Ltd.
- Refrigeration cycle apparatus and control method thereof2 Apr 2026US 2026/0092730 A1Daikin Industries, Ltd.
- Air conditioning device12 Feb 2026US 2026/0043572 A1Fujitsu General Limited
- Hvac cascade heat pump5 Feb 2026US 2026/0036343 A1Carrier Corporation
Most cited
By later US patents
- Air conditioning system37US 5,142,879 AMitsubishi Denki Kabushiki Kaisha · 1992
- Mini tube and direct expansion heat exchange system36US 5,946,928 A1999
- Refrigeration apparatus25US 5,526,649 ADaikin Industries, Ltd. · 1996
- Air conditioning apparatus22US 4,912,937 AMitsubishi Denki Kabushiki Kaisha · 1990
- Coolant distributor of refrigerating cycle for heat pump20US 6,381,974 B1LG Electronics Inc. · 2002