Inventor · Des Plaines, IL, US

Frederick Michelau

14Patents
10h-index
13Co-inventors
61Inventor score

Filing activity: Feb 16, 1999 → Apr 26, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6840527B1 Tricycle with geared auxiliary steering mechanism Performing Operations; Transporting 38 Expired
US7625033B2 Accessory latching assembly Emerging Cross-Sectional Technologies 34 Expired
US6966572B2 Folding riding vehicle Performing Operations; Transporting 29 Expired
US6641149B2 Children's wagon with improved removable walls Performing Operations; Transporting 27 Expired
US7455308B2 Convertible riding toy Performing Operations; Transporting 21 Expired
US6186524A Children's wagon with improved bolster Emerging Cross-Sectional Technologies 20 Expired
US6499750B1 Wagon with improved handle attachment arrangement Mechanical Engineering; Lighting; Heating 20 Expired
US7086657B2 Adjustable seat for children's vehicle Performing Operations; Transporting 15 Expired
USD545915S1 Spring horse General 11 Expired
US7722068B2 Adjustable seat for a children's ride-on vehicle Performing Operations; Transporting 11 Active
US7222871B2 Tricycle push handle Performing Operations; Transporting 10 Expired
US6871863B2 Wagon cup holder Performing Operations; Transporting 6 Expired
US7402111B2 Rocking horse suspension system Human Necessities 4 Expired
US7361095B2 Rocking horse stand Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.