A63B 21/0052
Induced by electromagnets
Official title: {induced by electromagnets (A63B21/0056 takes precedence)}
A63B21/0052 (Induced by electromagnets) appears on 158 US grants and 142 published applications in this corpus.
Search patents in A63B- Granted patents
- 158
- Published applications
- 142
- Assignees
- 77
- Inventors
- 254
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 5 |
| 2015 | 3 | 5 |
| 2016 | 4 | 3 |
| 2017 | 8 | 11 |
| 2018 | 7 | 14 |
| 2019 | 8 | 8 |
| 2020 | 9 | 15 |
| 2021 | 16 | 19 |
| 2022 | 10 | 9 |
| 2023 | 15 | 16 |
| 2024 | 8 | 6 |
| 2025 | 10 | 10 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Neck exercising apparatus19 May 2026US 12,629,559 B2
- Switch assembly for regulating rotary load and fitness bike comprising the same10 Mar 2026US 12,569,718 B2LG Electronics Inc.
- Switch assembly for regulating rotary load and fitness bike comprising the same18 Jun 2026US 2026/0166374 A1LG Electronics Inc.
- Internal Magnetic Control Device, Flywheel Assembly and Fitness Equipment8 Jan 2026US 2026/0009448 A1Ningbo Delconix Technologies Co., Ltd.
- Exercise device cable safety locking mechanism18 Sep 2025US 2025/0288843 A1Podium Fit, Inc.
- Neck exercising apparatus12 Jun 2025US 2025/0186831 A1
- Freewheel adjustable wheel and exercise bike having same5 Jun 2025US 2025/0177801 A1LG Electronics Inc.
Most cited
By later US patents
- Real time simulation using position sensing791US 6,152,856 AReal Vision Co., Ltd. · 2000
- Stationary exercise device331US 5,685,804 APrecor Incorporated · 1997
- Electronically controlled exercise system327US 4,828,257 APowercise International Corporation · 1989
- Electronic exercise system269US 6,450,922 B1Graber Products, Inc. · 2002
- Rowing machine245US 4,798,378 A1989