| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Roundabout affecting the shape of a giant top | US61752323 | 1923-02-07 | US1564273A | 1925-12-08 | ETIENNE PROST |
| 2 | Amusement device | US54477422 | 1922-03-18 | US1503548A | 1924-08-05 | MOYER CHARLES O |
| 3 | Roundabout. | US5660615 | 1915-10-18 | US1186966A | 1916-06-13 | BRAMKAMP JOHN H |
| 4 | Spring supported merry-go-round type apparatus | US3511498D | 1968-04-16 | US3511498A | 1970-05-12 | AHRENS CLAUDE WESLEY |
| 5 | Amusement apparatus | US55752756 | 1956-01-05 | US2843379A | 1958-07-15 | MERRITT OSCAR K |
| 6 | Playground apparatus | US63223723 | 1923-04-16 | US1529890A | 1925-03-17 | HOPPES CHARLES E |
| 7 | Amusement device for carnivals | US57839945 | 1945-02-17 | US2405108A | 1946-08-06 | BROWN GLENN C |
| 8 | Circular swing | US51195931 | 1931-01-29 | US1927682A | 1933-09-19 | EDWARDS ARTHUR O |
| 9 | Playground apparatus | US54412731 | 1931-06-13 | US1864734A | 1932-06-28 | HOPPES EDWIN F |
| 10 | Merry-go-round | US55324131 | 1931-07-27 | US1864733A | 1932-06-28 | HOPPES CHARLES E; HOPPES EDWIN F |
| 11 | Playground apparatus | US17677327 | 1927-03-19 | US1740304A | 1929-12-17 | HOPPES CHARLES E |
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