H02K 7/025
For power storage
Official title: {for power storage}
H02K7/025 (For power storage) appears on 593 US grants and 593 published applications in this corpus.
Search patents in H02K- Granted patents
- 593
- Published applications
- 593
- Assignees
- 274
- Inventors
- 861
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 21 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 2 |
| 2002 | 7 | 12 |
| 2003 | 9 | 18 |
| 2004 | 24 | 15 |
| 2005 | 10 | 13 |
| 2006 | 13 | 7 |
| 2007 | 12 | 16 |
| 2008 | 9 | 12 |
| 2009 | 12 | 11 |
| 2010 | 10 | 24 |
| 2011 | 7 | 20 |
| 2012 | 6 | 22 |
| 2013 | 11 | 30 |
| 2014 | 21 | 36 |
| 2015 | 16 | 28 |
| 2016 | 23 | 36 |
| 2017 | 23 | 34 |
| 2018 | 25 | 34 |
| 2019 | 23 | 30 |
| 2020 | 34 | 28 |
| 2021 | 35 | 35 |
| 2022 | 27 | 27 |
| 2023 | 28 | 35 |
| 2024 | 26 | 33 |
| 2025 | 29 | 23 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shipping container tracking methods25 Aug 2026US 12,718,186 B2Teleme Trak, Inc.
- Flywheel magnetic lift and bearing system4 Aug 2026US 12,698,819 B2Torus Inc.
- Flywheel systems with multiple generator coils4 Aug 2026US 12,700,769 B2Mattur Holdings, Inc.
- Mechanical renewable green energy production7 Jul 2026US 12,674,503 B2Phos Global Energy Solutions, Inc.
- Magnetic rotating mechanism19 May 2026US 12,633,800 B2
- Mechanical renewable green energy production3 Sep 2026US 2026/0261182 A1Phos Global Energy Solutions, Inc.
- Energy management system and methods27 Aug 2026US 2026/0249712 A1
- Mechanical energy accumulator system27 Aug 2026US 2026/0254313 A1
- Developments to flywheel energy storage30 Jul 2026US 2026/0218685 A1Thaleron Limited
- A peripheral expanding chambers in flywheel engine generating and storing energy25 Jun 2026US 2026/0177026 A1
Most cited
By later US patents
- Wind turbine119US 7,042,109 B22006
- Robust minimal-loss flywheel systems96US 6,794,777 B12004
- Equipment for storage of energy under kinetic form and recovery thereof in electric form and method of using such equipment82US 4,444,444 ASociete Nationale Industrielle Aerospatiale · 1984
- Electrohydraulic vehicle with battery flywheel81US 5,427,194 A1995
- Energy management system and method81US 6,441,581 B1General Electric Company · 2002