F25B 49/02
Arrangement or mounting of control or safety devices: for compression type machines
Official title: for compression type machines, plants or systems
F25B49/02 (Arrangement or mounting of control or safety devices: for compression type machines) appears on 5,298 US grants and 5,951 published applications in this corpus.
Search patents in F25B- Granted patents
- 5,298
- Published applications
- 5,951
- Assignees
- 1,152
- Inventors
- 9,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 22 | 0 |
| 1979 | 22 | 0 |
| 1980 | 35 | 0 |
| 1981 | 42 | 0 |
| 1982 | 37 | 0 |
| 1983 | 28 | 0 |
| 1984 | 31 | 0 |
| 1985 | 47 | 0 |
| 1986 | 23 | 0 |
| 1987 | 30 | 0 |
| 1988 | 37 | 0 |
| 1989 | 45 | 0 |
| 1990 | 36 | 0 |
| 1991 | 48 | 0 |
| 1992 | 56 | 0 |
| 1993 | 48 | 0 |
| 1994 | 33 | 0 |
| 1995 | 26 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 43 | 0 |
| 1999 | 43 | 0 |
| 2000 | 61 | 0 |
| 2001 | 77 | 26 |
| 2002 | 87 | 59 |
| 2003 | 83 | 92 |
| 2004 | 84 | 106 |
| 2005 | 61 | 100 |
| 2006 | 40 | 80 |
| 2007 | 51 | 91 |
| 2008 | 34 | 90 |
| 2009 | 33 | 78 |
| 2010 | 57 | 115 |
| 2011 | 59 | 95 |
| 2012 | 54 | 103 |
| 2013 | 61 | 167 |
| 2014 | 65 | 191 |
| 2015 | 100 | 364 |
| 2016 | 140 | 265 |
| 2017 | 282 | 357 |
| 2018 | 313 | 366 |
| 2019 | 352 | 372 |
| 2020 | 380 | 432 |
| 2021 | 335 | 466 |
| 2022 | 381 | 456 |
| 2023 | 345 | 402 |
| 2024 | 420 | 440 |
| 2025 | 317 | 363 |
| 2026 | 204 | 275 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Electromotive expansion valve and refrigeration circuit6 Oct 2026US 12,753,958 B2Mahle International GmbH
- Autocascade system with superheat control6 Oct 2026US 12,753,960 B2Trane International Inc.
- Cooling circuit for a system for supplying and cooling a gas6 Oct 2026US 12,753,961 B2Gaztransport Et Technigaz
- Utilizing air moisture sensor and compressor power sensor data within a laundry appliance to detect refrigerant leaks8 Oct 2026US 2026/0308832 A1Haier US Appliance Solutions, Inc.
- Air conditioning appliances defrost8 Oct 2026US 2026/0309351 A1Haier US Appliance Solutions, Inc.
- Cooling System for a Dilution Refrigerator System8 Oct 2026US 2026/0309373 A1Orange Quantum Systems Holding B.V.
- Multi-type air-conditioning device8 Oct 2026US 2026/0309383 A1
- Refrigeration appliance and method for operating a refrigeration appliance8 Oct 2026US 2026/0309384 A1BSH Hausgeräte GmbH
Most cited
By later US patents
- Energy management system for refrigeration systems209US 4,325,223 A1982
- Control for commercial refrigeration system204US 5,586,444 ATyler Refrigeration Corporation · 1996
- Automatic fault diagnostic apparatus for a heat pump air conditioning system203US 4,381,549 ATrane CAC, Inc. · 1983
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Monitoring refrigerant in a refrigeration system192US 7,752,853 B2Emerson Retail Services, Inc. · 2010