CPC Main Group
A63B 21/00 Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices (electric or electronic controls therefor A63B24/00)
Filing statistics
CPC A63B 21/00 belongs to the parent subclass A63B, which recorded 127,592 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,807 in 2013 to 9,915 in 2023 (+27%), peaking at 14,514 applications in 2018. The most active applicants in class A63 are NETEASE (4,324 applications), TENCENT TECHNOLOGY (SHENZHEN) COMPANY (3,255 applications) and SONY INTERACTIVE ENTERTAINMENT (2,643 applications).
Source: EPO PATSTAT, worldwide filings
20 direct subcodes
Child Classifications
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- A63B 21/002 isometric or isokinetic, i.e. substantial force variation without substantial muscle motion
- A63B 21/005 using electromagnetic or electric force-resisters
- A63B 21/008 using hydraulic or pneumatic force-resisters
- A63B 21/012 using frictional force-resisters
- A63B 21/02 using resilient force-resisters
- A63B 21/06 User-manipulated weights
- A63B 21/16 Supports for anchoring force-resisters
- A63B 21/22 Resisting devices with rotary bodies
- A63B 21/28 Devices for two persons operating in opposition
Top Applicants
Top 10 applicants by patent filingsfor class A63, 2013–2023, worldwide · Source: EPO PATSTAT
- NETEASE 4,324
- TENCENT TECHNOLOGY (SHENZHEN) COMPANY 3,255
- SONY INTERACTIVE ENTERTAINMENT JP 2,643
- TENCENT TECHNOLOGY (SHENZHEN) COMPANY CN 2,353
- UNIVERSAL CITY STUDIOS US 2,005
- KARSTEN MANUFACTURING CORPORATION US 1,883
- ACUSHNET COMPANY US 1,495
- MICROSOFT TECHNOLOGY LICENSING US 1,272
- NINTENDO COMPANY JP 1,260
- SONY CORPORATION JP 1,169