F04D 29/662
Balancing of rotors
Official title: {Balancing of rotors (compensating imbalance G01M1/36)}
F04D29/662 (Balancing of rotors) appears on 261 US grants and 295 published applications in this corpus.
Search patents in F04D- Granted patents
- 261
- Published applications
- 295
- Assignees
- 144
- Inventors
- 671
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 3 |
| 2003 | 1 | 5 |
| 2004 | 2 | 8 |
| 2005 | 4 | 5 |
| 2006 | 4 | 12 |
| 2007 | 6 | 7 |
| 2008 | 3 | 10 |
| 2009 | 3 | 9 |
| 2010 | 8 | 8 |
| 2011 | 3 | 6 |
| 2012 | 12 | 12 |
| 2013 | 2 | 12 |
| 2014 | 9 | 17 |
| 2015 | 14 | 20 |
| 2016 | 11 | 16 |
| 2017 | 12 | 16 |
| 2018 | 19 | 30 |
| 2019 | 26 | 24 |
| 2020 | 18 | 13 |
| 2021 | 21 | 9 |
| 2022 | 11 | 12 |
| 2023 | 11 | 5 |
| 2024 | 10 | 16 |
| 2025 | 11 | 8 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial fan assembly including an intermediate shroud6 Oct 2026US 12,753,773 B2Regal Beloit America, Inc.
- Balance drum for a rotating machine21 Jul 2026US 12,687,176 B2Saudi Arabian Oil Company
- Fan blade and neck fan21 Jul 2026US 12,687,177 B2Shenzhen Shiwu Technology Co., Ltd
- Diagonal fan19 May 2026US 12,631,198 B2Delta Electronics, Inc.
- Motor and cleaner comprising the same7 Apr 2026US 12,597,825 B2Samsung Electronics Co., Ltd.
- Rotor for a turbomachine, turbomachine, and method for balancing a rotor of a turbomachine1 Oct 2026US 2026/0298094 A1Accelleron Switzerland Ltd.
- Turbofan engine including a fan actuation system10 Sep 2026US 2026/0266309 A1General Electric Company
- Balancing device for a rotor13 Aug 2026US 2026/0235031 A1Rolls-Royce Deutschland Ltd & Co KG
- Turbofan engine including a fan actuation system23 Jul 2026US 2026/0210373 A1General Electric Company
- Rotor element for a turbine engine with composite blades linked to a metal disk2 Jul 2026US 2026/0185450 A1Safran Aircraft Engines
Most cited
By later US patents
- Wheel or rotor with a plurality of blades61US 4,253,800 AHitachi, Ltd. · 1981
- Damping system for vibrating members59US 5,820,348 A1998
- Self balancing motor54US 5,256,037 A1993
- Damping systems for vibrating members51US 6,224,341 B1Edge Innovations & Technology, LLC · 2001
- Motor support device for heating, ventilation and/or air-conditioning system49US 8,596,596 B2Valeo Systemes Thermiques · 2013