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| Number | Title | Issue Date |
| 6869368 | Carousel devices A first embodiment of carousel device provides a bouncer which cannot be tipped over accidentally. Further, a oscillating circuit enables a battery-operated motor to gently oscillate the bouncer through an 80° arc. A pair of retractable rockers are provided on the ... | 03/22/2005 |
| 6171198 | Merry-go-round for wheel chairs A merry-go-round with a frame supported for rotation by a plurality of driven wheels, the merry-go-round having a space for a wheel chair and a space for a non-wheel chair bound person. Each separate space on the merry-go-round is associated with a respec... | 01/09/2001 |
| 5616104 | Human powered centrifuge A human powered centrifuge has independently established turntable angular velocity and human power input. A control system allows excess input power to be stored as electric energy in a battery or dissipated as heat through a resistor. In a mechanical em... | 04/01/1997 |
| 5480355 | Child's carousel A backyard carousel for small children is constructed from tubing and fittings which are attached into a lightweight unitary superstructure. The tubing and fittings are preferably plastic, with the joints preferably being permanently bonded with a plastic... | 01/02/1996 |
| 4973042 | Tower amusement ride An amusement ride is illustrated having an annular passenger housing (A,A',A",A'") which surrounds a central tower (B, B', B") and is driven relative to the tower in vertical, tilting or wobbling, and/or rotary motion by a drive arrangement (12,16,18,42,4... | 11/27/1990 |