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ARMSTRONG EDWIN J

Overview
  • Total Patents
    19
About

ARMSTRONG EDWIN J has a total of 19 patent applications. Its first patent ever was published in 1896. It filed its patents most often in Canada and United States. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and electrical machinery and energy are SOC DES FORGES ET ATELIERS DU CREUSOT, GAGG ANTON and DFEM ELECTRIC CONTROL EQUIPMENT CO LTD.

Patent filings in countries

World map showing ARMSTRONG EDWIN Js patent filings in countries
# Country Total Patents
#1 Canada 11
#2 United States 8

Patent filings per year

Chart showing ARMSTRONG EDWIN Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Armstrong Edwin J 19

Latest patents

Publication Filing date Title
US1029253A Steam-engine.
US1009951A Electric dynamo and motor.
US946001A Rod-packing.
US946000A Steam-engine valve.
US903264A Fluid-actuated engine.
US836911A Valve mechanism for compound engines.
CA75852A Valve
US700004A Governor.
US701667A Valve mechanism.
CA75851A Steam engine governor
CA57919A Governor for steam engines
CA56902A Metallic packing for piston and valve rods
CA54930A Crank disc for steam engines
CA54929A Crank disc for engines
CA52847A Shaft bearing
CA45967A Rock arm for horizontal steam engines
CA49425A Device for securing piston rods to cross-heads
CA240534A Vehicle steering apparatus
CA240535A Chain link