F16C 15/00
Construction of rotary bodies to resist centrifugal force
Official title: Construction of rotary bodies to resist centrifugal force (flywheels, correction weights F16F15/30, F16F15/32)
F16C15/00 (Construction of rotary bodies to resist centrifugal force) appears on 70 US grants and 39 published applications in this corpus.
Search patents in F16C- Granted patents
- 70
- Published applications
- 39
- Assignees
- 45
- Inventors
- 115
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 6 |
| 2004 | 3 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 6 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 4 |
| 2024 | 4 | 4 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flywheel containment with external touchdown rings at reduced diameter25 Aug 2026US 12,716,468 B2Punch Flybrid Limited
- HTS bearing and flywheel systems and methods24 Mar 2026US 12,584,522 B2Revterra Corporation
- Hollow disc rotor for flywheel power storage device and method for manufacturing same5 Aug 2025US 12,381,444 B2NexFi Technology Inc.
- Constant stress solid disk rotor of flywheel for flywheel energy storage system and design method thereof15 Oct 2024US 12,119,730 B2NexFi Technology Inc.
- Power transmission shaft and method for manufacturing same7 May 2024US 11,976,704 B2Hitachi Astemo, Ltd.
- Hollow disc rotor for flywheel power storage device and method for manufacturing same26 Dec 2024US 2024/0429780 A1NexFi Technology Inc.
- Constant stress solid disk rotor of flywheel for flywheel energy storage system and design method thereof19 Sep 2024US 2024/0313612 A1NexFi Technology Inc.
- Magnetic bearing, flywheel device, and electric power generation system using same19 Sep 2024US 2024/0313614 A1Akihiko TANAKA
- Flywheel containment with external touchdown rings at reduced diameter6 Jun 2024US 2024/0183425 A1Punch Flybrid Limited
- Power transmission shaft19 Oct 2023US 2023/0332638 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Reinforced composite flywheels and shafts63US 5,285,699 ABoard of Regents, The University of Texas System · 1994
- Flywheel rotor with conical hub and methods of manufacture therefor55US 5,628,232 A1997
- Carbon fiber drive shaft53US 4,089,190 AUnion Carbide Corporation · 1978
- Reinforced cross-ply composite flywheel and method for making same49US 4,207,778 AGeneral Electric Company · 1980
- Multi-rim flywheel42US 4,036,080 AThe Garrett Corporation · 1977