F05B 2260/421
In the form of rotational kinetic energy
Official title: in the form of rotational kinetic energy, e.g. in flywheels
F05B2260/421 (In the form of rotational kinetic energy) appears on 58 US grants and 79 published applications in this corpus.
Search patents in F05B- Granted patents
- 58
- Published applications
- 79
- Assignees
- 31
- Inventors
- 118
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 5 |
| 2013 | 2 | 3 |
| 2014 | 3 | 3 |
| 2015 | 2 | 1 |
| 2016 | 2 | 8 |
| 2017 | 3 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 5 |
| 2021 | 1 | 6 |
| 2022 | 6 | 10 |
| 2023 | 6 | 4 |
| 2024 | 4 | 13 |
| 2025 | 9 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flywheel magnetic lift and bearing system4 Aug 2026US 12,698,819 B2Torus Inc.
- Electrical generators for railways26 May 2026US 12,638,008 B2Omnitek Partners LLC
- Flywheel vacuum enclosure and adjustment system3 Mar 2026US 12,565,921 B2Torus Inc.
- Electricity generation system comprising a water turbine with improved dynamic response2 Dec 2025US 12,489,314 B2Supergrid Institute
- Energy storage device and work machine23 Sep 2025US 12,420,623 B2Yanmar Holdings Co., Ltd.
- Molded mat with integrated fluid flow channels and manifold system for energy transfer1 Jan 2026US 2026/0002523 A1Flowloopx
- Systems and methods for energy harvest25 Sep 2025US 2025/0297592 A1P Tech, LLC
- Mechanical-energy storage unit and assembly fixture14 Aug 2025US 2025/0257787 A1Torus Inc.
- Wave hammer generator7 Aug 2025US 2025/0250957 A1
- Stacking flywheel and linkage31 Jul 2025US 2025/0243923 A1Torus Inc.
Most cited
By later US patents
- Wind dam electric generator and method102US 6,984,899 B1The United States of America as represented by the Secretary of the Navy · 2006
- Surge-accepting accumulator transmission for windmills and the like44US 4,239,977 A1980
- Governor for fluid current motor28US 4,346,305 A1982
- Hybrid driving system22US 5,569,108 AGear Chain Industrial B.V. · 1996
- Portable wave-swash and coastal-wind energy harvester8US 7,963,112 B12011