F25B 2500/12
Sound
F25B2500/12 (Sound) appears on 325 US grants and 396 published applications in this corpus.
Search patents in F25B- Granted patents
- 325
- Published applications
- 396
- Assignees
- 173
- Inventors
- 1,007
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 10 | 9 |
| 2003 | 8 | 10 |
| 2004 | 7 | 16 |
| 2005 | 8 | 14 |
| 2006 | 8 | 12 |
| 2007 | 9 | 8 |
| 2008 | 3 | 8 |
| 2009 | 2 | 14 |
| 2010 | 9 | 11 |
| 2011 | 5 | 10 |
| 2012 | 9 | 9 |
| 2013 | 6 | 6 |
| 2014 | 2 | 7 |
| 2015 | 4 | 21 |
| 2016 | 5 | 13 |
| 2017 | 12 | 22 |
| 2018 | 21 | 36 |
| 2019 | 25 | 39 |
| 2020 | 31 | 24 |
| 2021 | 20 | 21 |
| 2022 | 22 | 16 |
| 2023 | 12 | 12 |
| 2024 | 15 | 26 |
| 2025 | 12 | 17 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigerator driven based on ambient noise and control method thereof26 May 2026US 12,640,134 B2Samsung Electronics Co., Ltd.
- Compressor bin and refrigeration apparatus having the same5 May 2026US 12,618,608 B2Chongqing Haier Refrigeration Electric Appliance Co., Ltd.
- Dilution refrigeration device and method7 Apr 2026US 12,595,939 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Heat pump7 Apr 2026US 12,595,940 B2Viessmann Climate Solutions SE
- Air conditioner17 Mar 2026US 12,578,116 B2LG Electronics Inc.
- Screw compressor, refrigeration system17 Sep 2026US 2026/0275988 A1Carrier Corporation
- Silencing Assembly, Expansion Valve, and Air Conditioning System3 Sep 2026US 2026/0258967 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Bumper retainer for cryogenic expander systems13 Aug 2026US 2026/0235329 A1Sumitomo (SHI) Cryogenics of America, Inc.
- Pressure pulsation muffling device9 Jul 2026US 2026/0194052 A1Trane International Inc.
- Muffler assemblies for climate control systems9 Jul 2026US 2026/0194277 A1Trane International Inc.
Most cited
By later US patents
- Refrigeration compressor muffler81US 5,705,777 ACarrier Corporation · 1998
- Low refrigerant charge detection using thermal expansion valve stroke measurement77US 5,243,829 AGeneral Electric Company · 1993
- Suction muffler for compressor76US 6,446,454 B1LG Electronics Inc. · 2002
- Refrigeration plant and method of controlling a refrigeration plant55US 4,966,006 ADanfoss A/S · 1990
- Compact ice making machine with cool vapor defrost53US 6,705,107 B2Manitowoc Foodservice Companies, Inc. · 2004