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HALLDEN MACHINE COMPANY

Overview
  • Total Patents
    34
About

HALLDEN MACHINE COMPANY has a total of 34 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are ARMSTRONG BLUM MFG COMPANY, BORZYM JOHN J and BORZYM ALEXANDER.

Patent filings in countries

World map showing HALLDEN MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Germany 7
#3 Canada 6
#4 United Kingdom 5
#5 France 3

Patent filings per year

Chart showing HALLDEN MACHINE COMPANYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hallden Karl W 14
#2 William Hallden Karl 6
#3 Hallden Karl William 5
#4 Ingham James D 3
#5 Brewer Given A 1
#6 Brewer Given Ankeny 1
#7 Ingham James Daniel 1

Latest patents

Publication Filing date Title
US4459887A Rotary shear of variable cut lengths
GB1212239A Rotary shear drive
US3405580A Rotary shear drive
GB1099139A Flying press
GB1099149A Rotary swager
US3327578A Flying shear providing for multiple minimum cut-lengths and further variable cut-lengths
US3309953A Flying shear of variable cut lengths
US3264920A Flying press
US3273367A Rotary swager
US2957363A Energy-balanced drive of a rotary system at cyclically repeating continuously varying velocity
US2933940A Balanced-torque drive of a rotary system at cyclically continuously varying velocity
US2843202A Apparatus for synchronized intermittent performance on stock of varlable feed rate
US2797798A Tractor-type stock feed
US2749984A Shear blade alignment and misalignment mechanism for cutting shears of the rotary type
US2767829A Apparatus for drawing rod stock
US2180204A Rotary cutting device
CA755832A Rotary swager
CA916475A Energy-balanced drive of a cyclically surging rotary system
CA896336A Rotary shear
CA769488A Flying shear providing for multiple minimum cut-lengths and further variable cut-lengths