F25B 2400/0751
The compressors having different capacities
Official title: the compressors having different capacities
F25B2400/0751 (The compressors having different capacities) appears on 145 US grants and 175 published applications in this corpus.
Search patents in F25B- Granted patents
- 145
- Published applications
- 175
- Assignees
- 60
- Inventors
- 360
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 6 |
| 2004 | 17 | 22 |
| 2005 | 10 | 12 |
| 2006 | 2 | 9 |
| 2007 | 6 | 16 |
| 2008 | 0 | 14 |
| 2009 | 3 | 6 |
| 2010 | 8 | 6 |
| 2011 | 6 | 5 |
| 2012 | 6 | 2 |
| 2013 | 0 | 6 |
| 2014 | 1 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 3 | 10 |
| 2018 | 5 | 10 |
| 2019 | 6 | 8 |
| 2020 | 13 | 5 |
| 2021 | 6 | 3 |
| 2022 | 6 | 7 |
| 2023 | 5 | 8 |
| 2024 | 4 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat pump systems with pressure exchangers31 Mar 2026US 12,590,738 B2Energy Recovery, Inc.
- Refrigerant compressor group6 Jan 2026US 12,516,860 B2BITZER Kuehlmaschinenbau GmbH
- Oil management for dual compressor modulation9 Sep 2025US 12,410,954 B2Carrier Corporation
- Control of refrigeration and heat pump systems that include pressure exchangers19 Aug 2025US 12,392,528 B2Energy Recovery, Inc.
- Magnetic bearing compressor protection28 Jan 2025US 12,209,777 B2Carrier Corporation
- Heat pump systems with pressure exchangers9 Jul 2026US 2026/0194265 A1Energy Recovery, Inc.
- Fluid handling systems including a compressor18 Jun 2026US 2026/0168484 A1Energy Recovery, Inc.
- Datacenter cooling systems that include pressure exchangers7 May 2026US 2026/0129809 A1Energy Recovery, Inc.
- Compressor system for heating, ventilation, air conditioning, and/or refrigeration system18 Dec 2025US 2025/0383129 A1Tyco Fire & Security GmbH
- Magnetic bearing compressor protection27 Mar 2025US 2025/0102195 A1Carrier Corporation
Most cited
By later US patents
- Multiple compressor refrigeration system and controller thereof124US 4,384,462 AFriedrich Air Conditioning & Refrigeration Co. · 1983
- Air-conditioner for an automobile79US 4,494,383 AMitsubishi Denki Kabushiki Kaisha · 1985
- Air conditioning apparatus and control method thereof62US 6,735,965 B2Samsung Electronics Co., Ltd. · 2004
- Heat pump type conditioner and exterior unit58US 6,343,482 B12002
- Air conditioning apparatus and control method thereof57US 6,722,143 B2Samsung Electronics Co., Ltd. · 2004