Patent classifications
A
HUMAN NECESSITIES
Load children
A63
SPORTS; GAMES; AMUSEMENTS
Load children
A63B
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
Load children
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
Load children Filter patents View analytics View as hierarchy
A63B21/008
using hydraulic or pneumatic force-resisters
Load children Filter patents View analytics View as hierarchy
A63B21/0085
using pneumatic force-resisters
Load children Filter patents View analytics View as hierarchy
A63B21/0088
by moving the surrounding air
Filter patents View analytics View as hierarchy