F25B 31/02
Compressor arrangements: of motor-compressor units
Official title: of motor-compressor units
F25B31/02 (Compressor arrangements: of motor-compressor units) appears on 697 US grants and 940 published applications in this corpus.
Search patents in F25B- Granted patents
- 697
- Published applications
- 940
- Assignees
- 221
- Inventors
- 1,859
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 3 |
| 2002 | 5 | 5 |
| 2003 | 5 | 6 |
| 2004 | 4 | 1 |
| 2005 | 3 | 6 |
| 2006 | 3 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 10 |
| 2011 | 2 | 5 |
| 2012 | 1 | 4 |
| 2013 | 3 | 10 |
| 2014 | 6 | 9 |
| 2015 | 3 | 38 |
| 2016 | 9 | 54 |
| 2017 | 31 | 62 |
| 2018 | 47 | 66 |
| 2019 | 62 | 61 |
| 2020 | 59 | 75 |
| 2021 | 38 | 88 |
| 2022 | 63 | 91 |
| 2023 | 63 | 87 |
| 2024 | 69 | 78 |
| 2025 | 73 | 103 |
| 2026 | 59 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Rotary compressor and refrigeration cycle device having the same6 Oct 2026US 12,753,760 B2LG Electronics Inc.
- Arrangement for guiding electrical connections through an opening of a housing and compressor for a refrigerant with an arrangement for guiding electrical connections through an opening of a housing6 Oct 2026US 12,756,258 B2Hanon Systems
- Vertical type compressor and laundry treating apparatus having the same22 Sep 2026US 12,742,456 B2LG Electronics Inc.
- Reciprocating compressor using outer rotor motor15 Sep 2026US 12,736,039 B2Samsung Electronics Co., Ltd.
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
- Abnormal physical condition determination system, abnormal physical condition determination method, and computer program8 Oct 2026US 2026/0311499 A1NEC Corporation
- Scroll machine and refrigeration system1 Oct 2026US 2026/0298231 A1Bitzer Kuhlmaschinenbau GmbH
- Compressor1 Oct 2026US 2026/0298233 A1Samsung Electronics Co., Ltd.
- Heat exchanger for an hvac&r system1 Oct 2026US 2026/0298557 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Compressor with liquid injection131US 5,076,067 ACopeland Corporation · 1991
- Refrigerant compressor apparatus111US 6,401,472 B2BITZER Kuehlmaschinenbau GmbH · 2002
- Compression refrigeration machine97US 5,671,607 ASEP Gesellschaft fur technische Studien Entwicklung Planung mbH · 1997
- Suction muffler for compressor76US 6,446,454 B1LG Electronics Inc. · 2002
- Linear motor compressor and its application in cooling system73US 5,818,131 A1998