F28D 2021/0068
For refrigerant cycles
Official title: {for refrigerant cycles}
F28D2021/0068 (For refrigerant cycles) appears on 859 US grants and 1,295 published applications in this corpus.
Search patents in F28D- Granted patents
- 859
- Published applications
- 1,295
- Assignees
- 401
- Inventors
- 2,374
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 3 |
| 2002 | 8 | 4 |
| 2003 | 6 | 23 |
| 2004 | 15 | 24 |
| 2005 | 14 | 18 |
| 2006 | 10 | 22 |
| 2007 | 7 | 38 |
| 2008 | 6 | 29 |
| 2009 | 10 | 16 |
| 2010 | 16 | 29 |
| 2011 | 9 | 26 |
| 2012 | 16 | 25 |
| 2013 | 10 | 40 |
| 2014 | 7 | 43 |
| 2015 | 19 | 55 |
| 2016 | 24 | 60 |
| 2017 | 34 | 70 |
| 2018 | 49 | 72 |
| 2019 | 60 | 72 |
| 2020 | 70 | 100 |
| 2021 | 58 | 98 |
| 2022 | 74 | 133 |
| 2023 | 84 | 113 |
| 2024 | 96 | 72 |
| 2025 | 77 | 60 |
| 2026 | 36 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method, controller and system of controlling thermal power transfer through a thermal energy exchanger6 Oct 2026US 12,753,941 B2Belimo Holding AG
- Indoor unit of air conditioner29 Sep 2026US 12,747,871 B2Fujitsu General Limited
- Heat exchanger and air-conditioning apparatus22 Sep 2026US 12,742,603 B2Mitsubishi Electric Corporation
- Heat exchanger, refrigeration cycle apparatus, and method for manufacturing heat exchanger8 Sep 2026US 12,729,920 B2Mitsubishi Electric Corporation
- Heat exchanger support device25 Aug 2026US 12,716,613 B2Mitsubishi Electric Corporation
- Falling film evaporator8 Oct 2026US 2026/0309429 A1Bitzer Kuhlmaschinenbau GmbH
- Single-phase to two-phase fluid heat exchangers and systems thereof10 Sep 2026US 2026/0266551 A1Bergstrom, Inc.
- Dishwasher27 Aug 2026US 2026/0248358 A1LG Electronics Inc.
- Dishwasher27 Aug 2026US 2026/0248361 A1LG Electronics Inc.
- Rotary heat exchanger27 Aug 2026US 2026/0251358 A1Nativus, Inc.
Most cited
By later US patents
- Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control392US 6,230,501 B1ProMXD Technology, Inc. · 2001
- Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control226US 6,865,825 B2ProMDX Technology, Inc. · 2005
- Refrigeration-cycle device123US 6,347,528 B1Denso Corporation · 2002
- Small scale chip cooler assembly112US 6,679,315 B2Marconi Communications, Inc. · 2004
- Condenser with small hydraulic diameter flow path59US 4,998,580 AModine Manufacturing Company · 1991