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CLARKE ALEX A

Overview
  • Total Patents
    18
About

CLARKE ALEX A has a total of 18 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools and furniture and games are DREHER MANFRID KG DR ING, GLACERIES DE LA SAMBRE SOCIETE and HUTCHINS MFG CO.

Patent filings in countries

World map showing CLARKE ALEX As patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 3

Patent filings per year

Chart showing CLARKE ALEX As patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Furniture and games

Top inventors

# Name Total Patents
#1 Clarke Alex A 18

Latest patents

Publication Filing date Title
US1780170A Cutter head
US1740918A Air-suction apparatus
US1679562A Portable electric jointer
US1610260A Portable electric saw
US1458874A Motor-driven surface-treating machine
US1404342A Surface-treating machine
US1407381A Surface-treating tool
US1390501A Motor-driven surface-treating machine
US1363312A Surface-treating machine
US1366633A Work-engaging support for surface-treating machines
US1352581A Handle attachment for surface-treating machines
US1356339A Surface-treating machine
US1356338A Surface-treating device
US1356337A Surface-treating machine
US1352582A Surface-treating device
CA250650A Work engaging support for surface treating machines
CA294632A Suction cleaner
CA282410A Wood surfacing machine