F05B 2260/902
Using frictional mechanical forces
Official title: using frictional mechanical forces
F05B2260/902 (Using frictional mechanical forces) appears on 98 US grants and 136 published applications in this corpus.
Search patents in F05B- Granted patents
- 98
- Published applications
- 136
- Assignees
- 70
- Inventors
- 269
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 4 | 3 |
| 2009 | 3 | 4 |
| 2010 | 1 | 8 |
| 2011 | 5 | 21 |
| 2012 | 7 | 9 |
| 2013 | 4 | 10 |
| 2014 | 9 | 6 |
| 2015 | 6 | 10 |
| 2016 | 1 | 1 |
| 2017 | 5 | 2 |
| 2018 | 5 | 3 |
| 2019 | 5 | 12 |
| 2020 | 9 | 8 |
| 2021 | 9 | 7 |
| 2022 | 3 | 2 |
| 2023 | 6 | 9 |
| 2024 | 8 | 5 |
| 2025 | 4 | 6 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Service brake for a wind turbine yaw motor16 Dec 2025US 12,497,946 B2Siemens Gamesa Renewable Energy A/S
- Braking force measuring method2 Dec 2025US 12,486,828 B2Nabtesco Corporation
- Wind turbine yawing system with multiple mechanical braking levels4 Nov 2025US 12,460,618 B2Vestas Wind Systems A/S
- Method for controlling a wind turbine during yaw operation26 Aug 2025US 12,398,693 B2GE Vernova Renovables Espana, S.L.
- System and method for actively monitoring an air gap in a wind turbine brake assembly31 Dec 2024US 12,180,929 B2General Electric Renovables Espana, S.L.
- Linear darrieus vertical-axis wind power generation apparatus capable of large-scale manufacture10 Sep 2026US 2026/0266258 A1PHC Corporation
- Passive brake unit for a wind turbine16 Oct 2025US 2025/0320849 A1The Carlson Company, Inc.
- Controller, processing circuit, method, and non-transitory computer-readable medium for controlling wind power generation device9 Oct 2025US 2025/0314238 A1Nabtesco Corporation
- Yaw drive system31 Jul 2025US 2025/0243841 A1Kodair Wind Designs Limited
- Vertical axis wind turbine17 Apr 2025US 2025/0122861 A1
Most cited
By later US patents
- Method and a device for adjusting the pitch and stopping the rotation of the blades of a wind turbine30US 6,609,889 B1NEG Micon A/S · 2003
- Non-volatile over speed control system for wind turbines28US 6,265,785 B1Zond Systems, Inc. · 2001
- Vertical axis wind turbine20US 4,247,252 AGakko Hojin Tokai University · 1981
- Vertical axis windmill and self-erecting structure therefor18US 6,979,170 B2Dermond Inc. · 2005
- Driving device for raising or lowering an airfoil17US 7,442,009 B2Hamilton Sundstrand Corporation · 2008