F16F 15/30
Flywheels
Official title: Flywheels (F16F15/16, F16F15/28 take precedence; suppression of vibrations in rotating systems using elastic members or friction-damping members moving with the system, {i.e. split flywheels or single masses connected to a hub by elastic members or friction-damping members} F16F15/12; rotary-body aspects in general F16C13/00, F16C15/00)
F16F15/30 (Flywheels) appears on 733 US grants and 612 published applications in this corpus.
Search patents in F16F- Granted patents
- 733
- Published applications
- 612
- Assignees
- 392
- Inventors
- 1,307
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 32 | 0 |
| 1999 | 25 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 3 |
| 2002 | 6 | 10 |
| 2003 | 8 | 15 |
| 2004 | 12 | 12 |
| 2005 | 11 | 8 |
| 2006 | 10 | 10 |
| 2007 | 8 | 7 |
| 2008 | 2 | 8 |
| 2009 | 5 | 7 |
| 2010 | 3 | 18 |
| 2011 | 4 | 13 |
| 2012 | 3 | 28 |
| 2013 | 10 | 28 |
| 2014 | 16 | 44 |
| 2015 | 18 | 27 |
| 2016 | 25 | 45 |
| 2017 | 32 | 49 |
| 2018 | 38 | 44 |
| 2019 | 38 | 72 |
| 2020 | 47 | 33 |
| 2021 | 42 | 40 |
| 2022 | 35 | 18 |
| 2023 | 28 | 17 |
| 2024 | 16 | 27 |
| 2025 | 28 | 21 |
| 2026 | 14 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flywheel15 Sep 2026US 12,736,107 B2Levistor Ltd
- Flywheel stabilized system for deploying a free-falling payload from an aerial vehicle and methods of use thereof8 Sep 2026US 12,728,992 B2Ocean Alliance, Inc.
- Flywheel containment with external touchdown rings at reduced diameter25 Aug 2026US 12,716,468 B2Punch Flybrid Limited
- Flywheel18 Aug 2026US 12,710,029 B2Levistor Ltd
- Flywheel magnetic lift and bearing system4 Aug 2026US 12,698,819 B2Torus Inc.
- Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump24 Sep 2026US 2026/0286953 A1BJ Energy Solutions, LLC
- In situ flywheel balancing6 Aug 2026US 2026/0226958 A1Torus Inc.
- Developments to flywheel energy storage30 Jul 2026US 2026/0218685 A1Thaleron Limited
- Gyroscope bearing system30 Apr 2026US 2026/0118124 A1Humphree AB
- Gyrostabiliser with active precession control and energy recuperation system16 Apr 2026US 2026/0103268 A1Veem Ltd.
Most cited
By later US patents
- Flywheel252US 5,247,853 AProform Fitness Products, Inc. · 1993
- Enclosed flywheel138US 5,203,826 AProform Fitness Products, Inc. · 1993
- Robust minimal-loss flywheel systems96US 6,794,777 B12004
- Combination fan-flywheel-pulley assembly and method of forming92US 6,695,581 B2McMillan Electric Company · 2004
- Systems and method for use of single mass flywheel alongside torsional vibration damper assembly for single acting reciprocating pump85US 11,015,594 B2BJ Energy Solutions, LLC · 2021