A63B 21/0051
Using eddy currents induced in moved elements
Official title: {using eddy currents induced in moved elements, e.g. by permanent magnets}
A63B21/0051 (Using eddy currents induced in moved elements) appears on 712 US grants and 722 published applications in this corpus.
Search patents in A63B- Granted patents
- 712
- Published applications
- 722
- Assignees
- 233
- Inventors
- 904
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 13 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 8 |
| 2003 | 7 | 17 |
| 2004 | 11 | 6 |
| 2005 | 8 | 18 |
| 2006 | 14 | 20 |
| 2007 | 8 | 27 |
| 2008 | 9 | 16 |
| 2009 | 18 | 18 |
| 2010 | 28 | 20 |
| 2011 | 17 | 21 |
| 2012 | 14 | 15 |
| 2013 | 12 | 25 |
| 2014 | 17 | 26 |
| 2015 | 13 | 29 |
| 2016 | 34 | 54 |
| 2017 | 41 | 44 |
| 2018 | 39 | 59 |
| 2019 | 58 | 44 |
| 2020 | 45 | 44 |
| 2021 | 50 | 51 |
| 2022 | 40 | 42 |
| 2023 | 39 | 43 |
| 2024 | 34 | 28 |
| 2025 | 35 | 39 |
| 2026 | 15 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Exercise bike25 Aug 2026US 12,714,907 B2Coulter Ventures, LLC.
- Exercise device cable safety locking mechanism23 Jun 2026US 12,661,543 B2Podium Fit, Inc.
- Exercise bike9 Jun 2026US 12,649,087 B2LG Electronics Inc.
- Freewheel adjustable wheels and fitness bike therewith2 Jun 2026US 12,643,010 B2LG Electronics Inc.
- Running machine having power mode and non-power mode25 Jun 2026US 2026/0175072 A1Rexon Industrial Corp., Ltd.
- Switch assembly for regulating rotary load and fitness bike comprising the same18 Jun 2026US 2026/0166374 A1LG Electronics Inc.
- Exercise machine with pancake motor7 May 2026US 2026/0124485 A1Tonal Systems, Inc.
- Frame-type leg lifting machine with steady pedaling and swinging19 Mar 2026US 2026/0077226 A1
- Internal Magnetic Control Device, Flywheel Assembly and Fitness Equipment8 Jan 2026US 2026/0009448 A1Ningbo Delconix Technologies Co., Ltd.
Most cited
By later US patents
- Real time simulation using position sensing791US 6,152,856 AReal Vision Co., Ltd. · 2000
- Interactive exercise apparatus400US 5,785,630 ATectrix Fitness Equipment, Inc. · 1998
- Stationary exercise device331US 5,685,804 APrecor Incorporated · 1997
- Electronically controlled exercise system327US 4,828,257 APowercise International Corporation · 1989
- Interactive exercise apparatus313US 5,890,995 ATectrix Fitness Equipment, Inc. · 1999