G10K 2210/123
Synchrophasors or other applications where multiple noise sources are driven with a
Official title: Synchrophasors or other applications where multiple noise sources are driven with a particular phase relationship
G10K2210/123 (Synchrophasors or other applications where multiple noise sources are driven with a) appears on 18 US grants and 9 published applications in this corpus.
Search patents in G10K- Granted patents
- 18
- Published applications
- 9
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for active control of vibrations in a vehicle having a plurality of electric machine units25 Mar 2025US 12,260,849 B2Bayerische Motoren Werke Aktiengesellschaft
- Rotor noise reduction using signal processing20 Aug 2024US 12,065,257 B2Kitty Hawk Corporation
- Rotor noise reduction using signal processing30 May 2023US 11,661,204 B2Kitty Hawk Corporation
- Noise cancellation of a domestic appliance using a motor control16 Nov 2021US 11,174,875 B1Haier US Appliance Solutions, Inc.
- Rotor noise reduction using signal processing6 Jul 2021US 11,053,017 B1Kitty Hawk Corporation
- Rotor Noise Reduction using Signal Processing11 Jul 2024US 2024/0228052 A9Kitty Hawk Corporation
- Rotor Noise Reduction using Signal Processing25 Apr 2024US 2024/0132225 A1Kitty Hawk Corporation
- Method and Device for Active Control of Vibrations in a Vehicle Having a Plurality of Electric Machine Units31 Aug 2023US 2023/0274726 A1Bayerische Motoren Werke Aktiengesellschaft
- Rotor noise reduction using signal processing24 Feb 2022US 2022/0055764 A1Kitty Hawk Corporation
- Variable Hub-to-Hub Phasing Rotor System23 Jan 2020US 2020/0023951 A1Bell Helicopter Textron Inc.
Most cited
By later US patents
- Aircraft cabin noise control apparatus50US 4,947,356 AThe Secretary of State for Trade and Industry in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1990
- Method for reducing noise and/or vibration from multiple rotating machines44US 5,789,678 AGeneral Electric Company · 1998
- Method and apparatus for synchronizing rotating machinery to reduce noise33US 5,221,185 AGeneral Electric Company · 1993
- Active mounts for aircraft engines31US 5,551,650 ALord Corporation · 1996
- Active vibration control system for aircraft25US 5,568,557 ANoise Cancellation Technologies, Inc. · 1996