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ARMSTRONG EDWARD P

Overview
  • Total Patents
    14
About

ARMSTRONG EDWARD P has a total of 14 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 EMTER JAMES, WHEELER MFG CORP and HACKMAN TTT OY AB.

Patent filings in countries

World map showing ARMSTRONG EDWARD Ps patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 3

Patent filings per year

Chart showing ARMSTRONG EDWARD Ps patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Focus technologies

# Technology
#1 Sawing
#2 Unspecified technologies
#3 Wood saws

Top inventors

# Name Total Patents
#1 Armstrong Edward P 14
#2 Armstrong Henry W 2
#3 Jackson Robert S 1

Latest patents

Publication Filing date Title
US1781941A Saw grinder
US1771602A Grinder for concave saw teeth
US1679595A Gang saw
US1657735A Saw swage
US1563462A Stop gauge for setting anvils of saw swages
US1502085A Saw-sharpening machine
US1492152A Saw swage
US1452351A Automatic saw-sharpening machine
US1227556A Rocker-frame for grinding-wheels and the like.
US1182615A Grinding-machine.
US724236A Saw-swage.
CA248750A Cage for setting anvils of saw swages
CA254026A Saw sharpening machine
CA254030A Saw sharpening machine