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DIFF Subgroup
A63B 21/06

User-manipulated weights

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices > User-manipulated weights

CPC:

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) > User-manipulated weights

Of 11 combined children, 6 exist in both systems.

5 codes are CPC-only extensions.

Child Classifications

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  • A63B 21/0608 CPC only CPC only
  • A63B 21/0609 CPC only CPC only
  • A63B 21/0618 CPC only CPC only
  • A63B 21/065 worn on user's body since 1990 IPC+CPC Available in IPC and CPC
  • A63B 21/068 using user's body weight since 1990 IPC+CPC Available in IPC and CPC
  • A63B 21/08 anchored at one end IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SANKYO 23,899
  2. SANYO PRODUCT COMPANY 23,718
  3. DAIICHI SHOKAI COMPANY 13,338
  4. KYORAKU SANGYO 10,447
  5. UNIVERSAL ENTERTAINMENT CORPORATION 9,545
  6. SANEI R & D COMPANY 9,135
  7. SAMMY CORPORATION 7,126
  8. NEWGIN CORPORATION 5,651
  9. NETEASE 4,877
  10. HEIWA CORPORATION 3,938

Top Applicants (CPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. NETEASE 4,324
  2. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 3,255
  3. SONY INTERACTIVE ENTERTAINMENT JP 2,643
  4. TENCENT TECHNOLOGY (SHENZHEN) COMPANY CN 2,353
  5. UNIVERSAL CITY STUDIOS US 2,005
  6. KARSTEN MANUFACTURING CORPORATION US 1,883
  7. ACUSHNET COMPANY US 1,495
  8. MICROSOFT TECHNOLOGY LICENSING US 1,272
  9. NINTENDO COMPANY JP 1,260
  10. SONY CORPORATION JP 1,169