| Patents for A63B 21 - Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices (25,224) |
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| 04/14/1981 | US4261562 Electromagnetically regulated exerciser |
| 04/14/1981 | CA1099306A1 Hydraulic force resistor |
| 03/31/1981 | US4258914 Isokinesthetic device |
| 03/31/1981 | US4258913 Forearm exerciser |
| 03/25/1981 | EP0025455A1 Laterally pivoted weight training device |
| 03/24/1981 | US4257593 Pneumatic exercising device |
| 03/24/1981 | US4257592 Exercising apparatus with improvements in handle structure, rope arrangement, and clamping means |
| 03/24/1981 | US4257591 Elongated exercising device of variable length |
| 03/24/1981 | US4257590 Portable home gymnasium |
| 03/24/1981 | US4257589 Abdominal exercise device |
| 03/24/1981 | CA1098141A1 Arms and legs push and pull type exercising device |
| 03/17/1981 | US4256302 Variable resistance exercising device |
| 03/17/1981 | US4256301 Solo-operable bench press device |
| 03/10/1981 | US4254950 Body exercise apparatus |
| 03/10/1981 | US4254949 Leg curl exercising device |
| 03/03/1981 | US4253663 Golf swing muscle developer |
| 03/03/1981 | US4253662 Accessory apparatus for weight lifting |
| 03/03/1981 | US4253661 Leg exercising device |
| 03/03/1981 | US4253660 Weighted exercise glove |
| 02/24/1981 | US4252316 Weight lifting bar |
| 02/24/1981 | US4252315 Training aid for foot muscles |
| 02/24/1981 | US4252314 Device for performing weight-lifting exercises |
| 02/24/1981 | CA1096415A1 Suspended open ended cylinder for batting practice |
| 02/17/1981 | US4251071 Exercising device with compressible hand grip on an elastic card |
| 02/17/1981 | US4251070 Supine exercise device |
| 02/11/1981 | EP0023778A1 Friction type exercising device |
| 02/10/1981 | US4249729 Tennis exercise aid |
| 02/10/1981 | US4249727 Friction type gymnastic apparatus |
| 02/10/1981 | US4249726 Exercise bench safety device |
| 02/10/1981 | US4249725 Exercise apparatus |
| 02/03/1981 | US4248421 Chest exerciser |
| 02/03/1981 | US4248420 Dynamic self-resisting exercise chair |
| 02/03/1981 | US4248369 Laser cutting of ceramic tubing |
| 01/27/1981 | US4247101 Weighted arm band for bowlers |
| 01/27/1981 | US4247098 Dual cylinder hip exercising device |
| 01/27/1981 | US4247097 Variable weight aerobic exercise glove |
| 01/22/1981 | WO1981000055A1 Jogging glove |
| 01/20/1981 | US4245840 Resistive exercise device |
| 01/20/1981 | US4245839 Exercise device for running in place |
| 01/08/1981 | WO1981000004A1 Rhythm indicating exercisers |
| 01/07/1981 | EP0022085A2 Apparatus for training rowers |
| 01/07/1981 | EP0021557A2 Exercise apparatus |
| 01/06/1981 | US4243219 Portable lean-to exercising device |
| 01/06/1981 | US4243217 Exercising apparatus |
| 12/30/1980 | US4241914 Elastic apparatus for resisting and assisting a person performing exercises |
| 12/30/1980 | US4241913 Rapid thrust exercise machine |
| 12/23/1980 | US4240627 Multi-purpose exercising device |
| 12/23/1980 | US4240626 Abdominal waist machine |
| 12/23/1980 | US4240624 Hand grip exercise device |
| 12/16/1980 | US4239212 Push-pull exercise device |
| 12/16/1980 | US4239211 Process of producing a weighted exercising device |
| 12/16/1980 | US4239210 Arm curl machine |
| 12/16/1980 | US4239208 Wrist and forearm conditioner and exerciser |
| 12/11/1980 | WO1980002647A1 Exercising equipment |
| 12/10/1980 | EP0019935A1 Variable resistance exercising device |
| 12/02/1980 | US4236712 Standing calf exercise machine |
| 11/27/1980 | WO1980002508A1 A pulling apparatus with built-in weight magazine |
| 11/26/1980 | EP0018985A1 Device for measurement of muscular strength |
| 11/25/1980 | US4235439 Friction type exercising device |
| 11/25/1980 | US4235437 Robotic exercise machine and method |
| 11/25/1980 | US4235436 Work control apparatus for an exerciser |
| 11/18/1980 | US4233844 Wheelchair ergometer |
| 11/04/1980 | US4231570 Safetied exercising board apparatus, and method of safetying exercising board apparatus |
| 11/04/1980 | US4231569 Exercising device |
| 11/04/1980 | US4231568 Exercise machine with spring-cam arrangement for equalizing the force required through the exercise stroke |
| 11/04/1980 | US4231255 Rate measuring device for joint and/or muscular performance |
| 10/28/1980 | US4230313 Exercise device |
| 10/28/1980 | CA1088584A1 Body attached restraining type exercising device |
| 10/21/1980 | US4229002 Golf swing exercise device |
| 10/21/1980 | US4229001 Therapeutic exercise device |
| 10/14/1980 | US4227689 Exercising device including linkage for control of muscular exertion required through exercising stroke |
| 10/07/1980 | US4226415 Universal exercise apparatus for performing hamstring flex and other exercises |
| 10/07/1980 | US4226414 Weight exercise device |
| 09/30/1980 | US4225132 Exercise equipment having detachable spring assembly and foldable carrying handle |
| 09/30/1980 | US4225130 Portable exercise device |
| 09/18/1980 | WO1980001878A1 Laterally pivoted weight training device |
| 09/02/1980 | US4220330 Arm wrestling referee device |
| 09/02/1980 | US4220329 Exerciser device |
| 09/02/1980 | US4220328 Pulling line sport apparatus |
| 08/26/1980 | US4219193 Simultaneous neck strengthener, neck protector, neck rehabilitator |
| 08/19/1980 | US4218062 Method of propelling a game playing piece |
| 08/19/1980 | US4218057 Arm exerciser for runners |
| 08/12/1980 | US4216959 Weight lifter safety chain |
| 08/12/1980 | CA1083626A1 Sit-up exercise apparatus |
| 08/05/1980 | US4215679 Circulation assist device for body extremities |
| 07/29/1980 | US4214748 Spring-biased exercise apparatus |
| 07/29/1980 | US4214577 Orthosis for exercising joint |
| 07/24/1980 | WO1980001452A1 Power indicating device for a physical training apparatus with crank gear |
| 07/23/1980 | EP0013664A1 Power indicator for an exercise cycle |
| 07/22/1980 | US4213614 Practice weight attachment for golf clubs and method of weighting same |
| 07/22/1980 | US4213605 Neckbone and shoulder protective apparel for barbell lifters |
| 07/15/1980 | US4212458 Foot holding device for use in performing sit-up exercises |
| 07/08/1980 | US4211405 Physical exercising device |
| 07/08/1980 | US4211404 Telescoping physical exercising device |
| 07/08/1980 | US4211403 Weight lifting leg exercise device |
| 07/08/1980 | US4211402 Game and exercising device, method of exercising, and method of playing a game |
| 07/01/1980 | US4210323 Body engaging exercising device |
| 07/01/1980 | CA1080762A1 Exercising device with a variable tension, rewindable cord means |
| 06/24/1980 | US4209167 Arm wrestling apparatus |
| 06/24/1980 | CA1080269A1 Arm, wrist and shoulder exercising device |