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HARDINGE CO INC

Overview
  • Total Patents
    67
About

HARDINGE CO INC has a total of 67 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets machines, chemical engineering and measurement are ERIE DEV CO, BREAKELL THOMAS and MAIN WILLIAM.

Patent filings in countries

World map showing HARDINGE CO INCs patent filings in countries
# Country Total Patents
#1 United States 39
#2 Germany 12
#3 France 10
#4 United Kingdom 4
#5 Canada 2

Patent filings per year

Chart showing HARDINGE CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harlowe Hardinge 33
#2 Hardinge Harlowe 5
#3 Hardinge Harry W 4
#4 Russell Robert J 3
#5 Ferguson Leroy C 1
#6 Sancton Arthur H 1
#7 Mason John L 1
#8 Withington William H 1
#9 Mathews Abe W 1

Latest patents

Publication Filing date Title
US3078076A Method and means for segregating and recombining feed for grinding mill
US3078048A Means and methods of supplying heat to grinding mills
US3078049A Mill and process for autogenous grinding of friable material
GB790652A Improvements in or relating to comminuting and classifying apparatus and method therefor
US2711557A Apparatus for handling sticky materials
US2724506A Sediment and agitating apparatus and the like
US2753998A Method and apparatus for heavy-media separation
US2577754A Classifier
US2381351A Method and means of feeding material to grinding mills
US2418973A Thickener
US2308917A Apparatus and method for controlling pulp density
US2235928A Apparatus for and method for controlling grinding devices
US2206477A Grinding mill
US2174630A Classification system for pulverized materials
US2171268A Ore reducing machine
US2126884A Sedimentation apparatus
US2226974A Sedimentation apparatus
US2136686A Classifier
US2021304A Sedimentation apparatus
US2047202A Classifier