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PORTER HENRY K

Overview
  • Total Patents
    17
About

PORTER HENRY K has a total of 17 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools and machines are KNOWLEDGE & MERCHANDISING INC, MARTIN ANGUS A and KRENIK MATTHEW W.

Patent filings in countries

World map showing PORTER HENRY Ks patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 2

Patent filings per year

Chart showing PORTER HENRY Ks patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Porter Henry K 17

Latest patents

Publication Filing date Title
US1476640A Cutting tool
US1348735A Cutting-tool
CA188677A Cutting device
US1247716A Cutting-tool.
US1145082A Cutting-tool.
US1146021A Metal-cutting tool.
US1146951A Metal-cutting tool.
US909663A Bolt-clipper.
US862279A Bolt-clipper.
US830453A Bolt-clipper.
US795168A Expansible hollow mill.
US795167A Adjustable hollow mill.
US793394A Bolt-clipper.
US745905A Bolt-clipper.
US721232A Bolt-clipper.
US1161526A Metal-cutting tool.
CA12628A Improvements on bolt clippers