F16F 15/305
Made of plastics
Official title: made of plastics, e.g. fibre reinforced plastics [FRP] {, i.e. characterised by their special construction from such materials}
F16F15/305 (Made of plastics) appears on 112 US grants and 61 published applications in this corpus.
Search patents in F16F- Granted patents
- 112
- Published applications
- 61
- Assignees
- 69
- Inventors
- 152
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 5 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 9 |
| 2013 | 1 | 4 |
| 2014 | 1 | 4 |
| 2015 | 0 | 3 |
| 2016 | 2 | 7 |
| 2017 | 2 | 4 |
| 2018 | 5 | 1 |
| 2019 | 3 | 5 |
| 2020 | 2 | 1 |
| 2021 | 4 | 6 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hollow disc rotor for flywheel power storage device and method for manufacturing same5 Aug 2025US 12,381,444 B2NexFi Technology Inc.
- Flywheel energy storage device3 Sep 2024US 12,078,221 B2KineticCore Solutions LLC
- Flywheel energy storage system6 Aug 2024US 12,057,757 B2
- Flywheel energy storage device30 May 2023US 11,661,997 B2KineticCore Solutions LLC
- Flywheel energy storage system14 Mar 2023US 11,606,002 B2
- Hollow disc rotor for flywheel power storage device and method for manufacturing same26 Dec 2024US 2024/0429780 A1NexFi Technology Inc.
- Flywheel Energy Storage Device17 Aug 2023US 2023/0258244 A1KineticCore Solutions LLC
- Flywheel Energy Storage System20 Jul 2023US 2023/0231412 A1Kazak Technologies, Inc.
- Flywheel energy storage system2 Dec 2021US 2021/0372377 A1Kazak Technologies, Inc.
- Flywheel Energy Storage Device2 Sep 2021US 2021/0270345 A1KineticCore Solutions LLC
Most cited
By later US patents
- Flywheel252US 5,247,853 AProform Fitness Products, Inc. · 1993
- Rotor having endless straps for mounting swinging buckets82US 5,527,257 APiramoon Technologies, Inc. · 1996
- Reinforced composite flywheels and shafts63US 5,285,699 ABoard of Regents, The University of Texas System · 1994
- Safety system for flywheel system for mobile energy storage62US 6,144,128 ARosen Motors, L.P. · 2000
- Flywheel-based energy storage methods and apparatus55US 5,124,605 AAmerican Flywheel Systems, Inc. · 1992