Patent assignee · US · COMPANY

Playskool, Inc.

18Patents
0Active
18Granted
32Portfolio score

Filing activity: Dec 11, 1980 → Feb 9, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US5312285A Descending ball game apparatus Human Necessities 73 Expired
US5261848A Toy with liquid-filled shell Physics 57 Expired
US5194031A Toy gear assembly Emerging Cross-Sectional Technologies 42 Expired
US5295701A In line roller skate assembly having training wheels Human Necessities 33 Expired
USD359196S Drinking container General 33 Expired
US5415632A Breast pump Human Necessities 32 Expired
US5154658A Child's walker toy Performing Operations; Transporting 27 Expired
US5382188A Audio playback device Human Necessities 23 Expired
USD267727S Toy riding horse General 17 Expired
US5133569A Training wheel assembly for bicycle Performing Operations; Transporting 16 Expired
US5238440A Toy top with popping balls Human Necessities 15 Expired
USD359808S Feeding nipple General 13 Expired
US5383808A Convertible toy truck/wagon Human Necessities 13 Expired
US5403018A Water toy Human Necessities 7 Expired
USD355446S Electronic game housing General 5 Expired
USD320419S Audiovisual toy General 3 Expired
US5409364A Extruder assembly for modeling composition Human Necessities 3 Expired
US5104347A Carousel mechanism Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.