F25B 2400/075
With parallel compressors
Official title: with parallel compressors
F25B2400/075 (With parallel compressors) appears on 1,011 US grants and 1,026 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,011
- Published applications
- 1,026
- Assignees
- 283
- Inventors
- 1,743
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 15 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 2 |
| 2002 | 22 | 24 |
| 2003 | 25 | 28 |
| 2004 | 42 | 52 |
| 2005 | 28 | 64 |
| 2006 | 29 | 68 |
| 2007 | 40 | 40 |
| 2008 | 19 | 40 |
| 2009 | 18 | 31 |
| 2010 | 28 | 49 |
| 2011 | 18 | 35 |
| 2012 | 22 | 19 |
| 2013 | 19 | 27 |
| 2014 | 17 | 30 |
| 2015 | 14 | 29 |
| 2016 | 20 | 32 |
| 2017 | 33 | 49 |
| 2018 | 34 | 51 |
| 2019 | 51 | 56 |
| 2020 | 52 | 53 |
| 2021 | 46 | 37 |
| 2022 | 45 | 53 |
| 2023 | 36 | 41 |
| 2024 | 35 | 35 |
| 2025 | 48 | 45 |
| 2026 | 14 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CO2 refrigeration system with superheat control22 Sep 2026US 12,742,574 B2Hill Phoenix, Inc.
- CO2 refrigeration system with convertible compressors25 Aug 2026US 12,716,621 B2Hill Phoenix, Inc.
- Heating, ventilation, and air-conditioning system with reheat28 Jul 2026US 12,693,050 B2Goodman Global Group, Inc.
- Heat pump systems and methods14 Jul 2026US 12,680,734 B2AtmosZero, Inc.
- Air conditioning system, air conditioner outdoor unit and compressor assembly16 Jun 2026US 12,656,033 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Oil distribution system for multiple-compressor systems20 Aug 2026US 2026/0243242 A1
- Air conditioner30 Jul 2026US 2026/0218922 A1LG Electronics Inc.
- Mechanical relief protection of a co2 system for a power outage23 Jul 2026US 2026/0210586 A1Heatcraft Refrigeration Products LLC
- Quick co2 warm liquid defrost with additional heat23 Jul 2026US 2026/0210601 A1Heatcraft Refrigeration Products LLC
Most cited
By later US patents
- Self configuring controller243US 5,276,630 AAmerican Standard Inc. · 1994
- Model-based alarming208US 6,990,821 B2Emerson Retail Services, Inc. · 2006
- Control for commercial refrigeration system204US 5,586,444 ATyler Refrigeration Corporation · 1996
- Method and apparatus for predictive maintenance of HVACR systems201US 5,596,507 A1997
- System for remote refrigeration monitoring and diagnostics146US 7,644,591 B2Emerson Retail Services, Inc. · 2010