A63B 21/225

With flywheels

Official title: {with flywheels}

A63B21/225 (With flywheels) appears on 1,500 US grants and 1,379 published applications in this corpus.

Search patents in A63B
Granted patents
1,500
Published applications
1,379
Assignees
414
Inventors
1,606
Latest grant
6 Oct 2026

Filings by year

A63B 21/225: granted patents and published applications per publication year
YearGranted patentsPublished applications
197730
197820
197910
198010
198110
198200
198320
198430
198580
198680
1987150
1988150
1989180
1990250
1991200
1992110
1993140
1994210
1995190
1996200
1997120
1998290
1999220
2000250
20012410
20021830
20032628
20042638
20052147
20063744
20072669
20083459
20095053
20108145
20115250
20123848
20132748
20143350
20155058
20167084
20178083
20186577
20198367
20207574
20215474
20226667
20235753
20244847
20254361
20262115

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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Granted patents