Learn more

ARROWHEAD ENG CORP

Overview
  • Total Patents
    19
About

ARROWHEAD ENG CORP has a total of 19 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and mechanical elements are SPUN STEEL CORP, WF MASCHINENBAU BLECHFORMTECH and SANKYO OILLESS IND INC.

Patent filings in countries

World map showing ARROWHEAD ENG CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 6
#3 United Kingdom 2
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing ARROWHEAD ENG CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines
#3 Mechanical elements

Top inventors

# Name Total Patents
#1 Shaffer S 3
#2 Skinner William J 3
#3 Scott Earl D 3
#4 Wolbert Fred A 2
#5 Scott E 2
#6 Wagner James H 2
#7 Sabo Frank J 2
#8 Skinner William Jennings 1
#9 Shaffer Samuel R 1
#10 Wolbert F 1

Latest patents

Publication Filing date Title
US3935627A Method of making sheet metal pulley
US3910426A Loading and unloading apparatus for sheave fabricating machine
US3837200A Apparatus for making sheet metal pulleys
US3712098A Pulley forming mechanism
US3722309A Multiple groove sheave
US3517541A Wheel fabricating machine with loader and unloader apparatus
US3370447A Wheel fabricating machine
DE1206838B Method and device for the production of guide rollers, belt pulleys and similar objects provided with edge grooves
US3223004A Cup-shaped articles
US3222761A Process of forming cup-shaped articles
CA814234A Wheel fabricating machine with loader and unloader apparatus
CA752610A Fabricating method for making pulleys and the like
CA819978A Wheel fabricating machine