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PENCIL MECHANISM CORP

Overview
  • Total Patents
    17
About

PENCIL MECHANISM CORP has a total of 17 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods are KATOH KINZOKU KOGYO, ITALIANA DI PENNE A SERBATOIO and DOBROV ALEKSANDR M.

Patent filings in countries

World map showing PENCIL MECHANISM CORPs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 3

Patent filings per year

Chart showing PENCIL MECHANISM CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods

Focus technologies

# Technology
#1 Writing or drawing tools

Top inventors

# Name Total Patents
#1 Alfred Woelm 9
#2 Woelm Alfred 2
#3 Feldman Edward D 2
#4 Abraham Pollak 1
#5 Deutsch Hermann 1
#6 Pierre Barberon 1
#7 Hermann Deutsch 1

Latest patents

Publication Filing date Title
US1865992A Mechanical lead pencil
US1907926A Tip for mechanical lead pencils
US1928042A Magazine lead pencil
US1724412A Mechanical pencil
US1724245A Tip for mechanical pencils
US1864038A Mechanical pencil
US1762318A Magazine pencil
US1762317A Magazine pencil
US1700247A Magazine lead pencil
US1803794A Mechanical pencil
US1700257A Magazine lead pencil
US1700256A Magazine lead pencil
US1700246A Step-by-step lead pencil
US1866072A Magazine lead pencil
CA271616A Magazine pencil
CA294037A Magazine pencil
CA294038A Magazine pencil