Tonka Corporation
47Patents
0Active
47Granted
35Portfolio score
Filing activity: Dec 9, 1974 → Mar 8, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4990092A | Talking book | Physics | 111 | Expired |
| US5487692A | Expandable wheel assembly | Performing Operations; Transporting | 73 | Expired |
| US5377656A | Toy gun | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US5727985A | Stunt performing toy vehicle | Human Necessities | 58 | Expired |
| US5267549A | Air-powered toy gun | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US5605140A | Toy gun with concealed secondary barrel | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US4299051A | Mountable wheel for toy vehicle | Human Necessities | 42 | Expired |
| USD362280S | Toy vehicle | General | 41 | Expired |
| USD322105S | Ball | General | 40 | Expired |
| US5224464A | Toy archery set | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4919422A | Curve ball | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5113842A | Rapid fire ball launcher | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4892081A | Compressible ball launcher | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4193639A | Mountable wheel for toy vehicle | Human Necessities | 29 | Expired |
| US5224894A | Doll plus invertable container | Human Necessities | 29 | Expired |
| USD355230S | Football | General | 28 | Expired |
| USD337796S | Toy archery set | General | 27 | Expired |
| US5115794A | Compressible ball launcher | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5052973A | Toy car launcher with cable driven shuttle and pulleys | Human Necessities | 23 | Expired |
| US4227337A | Toy building units | Human Necessities | 23 | Expired |
| USD253193S | Toy vehicle | General | 19 | Expired |
| USD368280S | Toy projectile launcher | General | 19 | Expired |
| USD361105S | Repeat firing toy projectile launcher | General | 17 | Expired |
| US5452889A | Ball striking device | Human Necessities | 16 | Expired |
| USD360439S | Toy projectile launcher | General | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.