F04C 2270/13
Noise
F04C2270/13 (Noise) appears on 98 US grants and 124 published applications in this corpus.
Search patents in F04C- Granted patents
- 98
- Published applications
- 124
- Assignees
- 71
- Inventors
- 311
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 2 | 6 |
| 2011 | 3 | 6 |
| 2012 | 6 | 6 |
| 2013 | 1 | 5 |
| 2014 | 2 | 9 |
| 2015 | 11 | 5 |
| 2016 | 5 | 4 |
| 2017 | 4 | 12 |
| 2018 | 7 | 8 |
| 2019 | 6 | 4 |
| 2020 | 5 | 5 |
| 2021 | 8 | 9 |
| 2022 | 4 | 6 |
| 2023 | 11 | 7 |
| 2024 | 9 | 12 |
| 2025 | 7 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Scroll compressor17 Feb 2026US 12,553,439 B2Mitsubishi Electric Corporation
- Compressor12 Aug 2025US 12,385,484 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Noise and vibration management for smoke evacuation system17 Jun 2025US 12,331,748 B2Megadyne Medical Products, Inc.
- Rotary compressor10 Jun 2025US 12,326,149 B2Panasonic Intellectual Property Management Co., Ltd.
- Rotary compressor27 May 2025US 12,313,073 B2LG Electronics Inc.
- Scroll compressor16 Jul 2026US 2026/0201884 A1Kabushiki Kaisha Toyota Jidoshokki
- Scroll Compressor9 Jul 2026US 2026/0194056 A1Hanon Systems
- Enhanced bi-helical toothed wheel with variable helix angle and non-encapsulating tooth profile for hydraulic gear30 Apr 2026US 2026/0117767 A1Settima Meccanica S.r.l.
- Rotary compressor16 Apr 2026US 2026/0104048 A1Samsung Electronics Co., Ltd.
- Compressor assembly2 Apr 2026US 2026/0092601 A1Hanon Systems
Most cited
By later US patents
- Sound attenuating machinery cover47US 5,272,285 AScott Mfg., Inc. · 1993
- Device for cooling and silencing of noise of a compressor or vacuum pump40US 4,201,523 A1980
- Compressor mounting36US 6,132,183 ACarrier Corporation · 2000
- Vibration isolation for a transversely mounted compressor19US 6,543,741 B1Carrier Corporation · 2003
- Compressor with built-in motor mounted on engine of mobile structure9US 6,669,452 B2Matsushita Electric Industrial Co., Ltd. · 2003