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CLARKE HENRY B

Overview
  • Total Patents
    12
About

CLARKE HENRY B has a total of 12 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, furniture and games and agriculture are RAILLESS ELECTRIC TRACTION COM, SOMAJNI GIACOMO and TROLLEY SHOE WHEEL COMPANY.

Patent filings in countries

World map showing CLARKE HENRY Bs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing CLARKE HENRY Bs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Furniture and games
#3 Agriculture

Top inventors

# Name Total Patents
#1 Clarke Henry B 12

Latest patents

Publication Filing date Title
US1076019A Electrocuting insect-trap.
CA108423A Trolley retracting mechanism
CA108136A File
US931385A Section-insulator.
US862135A Automatic trolley-retracting mechanism.
US879944A Filing-case.
US803210A Trolley-retrieving device.
US796296A Trolley-retrieving device.
US791750A Trolley-retrieving device.
US796295A Combined brake and take-up mechanism for trolleys.
US797720A Trolley.
US772087A Trolley.