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HASSENFELD BROS INC

Overview
  • Total Patents
    16
About

HASSENFELD BROS INC has a total of 16 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets furniture and games, consumer goods and basic materials chemistry are WONG T K ASS LTD, PETER BALLEIS and TIGER GOMME KK.

Patent filings in countries

World map showing HASSENFELD BROS INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 4
#3 Switzerland 1
#4 Germany 1
#5 Spain 1
#6 France 1

Patent filings per year

Chart showing HASSENFELD BROS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Speers Samuel F 3
#2 Grossman Harold 2
#3 Harold Grossman 2
#4 Breault Alphonse J 1
#5 Di Vozzi Frank 1
#6 Samuel F Speers 1
#7 O'Connor Hubert P 1
#8 Verlon Wiser 1
#9 Henry Oelbaum 1
#10 Hubert P O'Connor 1

Latest patents

Publication Filing date Title
US3364616A Toy deep sea diver outfit
US3360489A Writing elements comprising colloidal thermoplastic resin and metallic soap
US3345030A Doll stand
US3277602A Toy figure having movable joints
GB1024707A Improvements in or relating to writting elements for pencils
GB956119A Improvements in or relating to a lead pencil and method of manufacture
US3159253A Toy bag and method of manufacture thereof
US3086903A Lead pencil and method of manufacture
US2924373A Toy case
US2078094A Stamping machine