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HEDSTROM CORP

Overview
  • Total Patents
    48
About

HEDSTROM CORP has a total of 48 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets furniture and games, machines and transport are EVERWEAR MFG COMPANY, PLAYSTAR INC and MIRACLE RECREATION EQUIP.

Patent filings in countries

World map showing HEDSTROM CORPs patent filings in countries

Patent filings per year

Chart showing HEDSTROM CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rieber Frederick M 15
#2 Cunard Joel C 11
#3 Bork Frank 8
#4 Boudreau Robert J 6
#5 Steger Ralph E 4
#6 Ziegler Jr William H 4
#7 Hanson Steven 4
#8 Mccloskey Don 2
#9 Smith Stephen W 2
#10 Rieber Fred 2

Latest patents

Publication Filing date Title
US2004078907A1 Knock-down quarter pipe for skateboarders, bikers and in-line skaters
CA2404282A1 Variable inertia launch ramp
US6669394B1 Swing attachment
US6551192B1 Obstacle assembly for bikes, skateboards and rollerblades
US6582266B1 Personal flotation device
US6482096B1 Swing ride with bubble generator
US6582267B1 Personal flotation device
US6547221B1 Knock-down grind rail for skateboards and rollerblades
US6494787B1 Children's stand up spinner ride
US6502819B2 Convertible game table
US6402662B1 Trampoline safety pad assembly
CA2311779A1 Trampoline pad assembly
US6105804A Collapsible parts shipping and storage container
US6178978B1 Children's activity and entertainment enclosure
US6542613B1 Electronic sound generator attachment for children's slides
US6036604A Children's activity toy
US6068580A Exercise device
US5842927A Children's slide with integral raceways
CA2190445A1 Children's inflatable play enclosure
US5528875A Wood play tower kit