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HART & HEGEMAN MFG CO

Overview
  • Total Patents
    104
About

HART & HEGEMAN MFG CO has a total of 104 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are ARROW HART & HEGEMAN ELECTRIC, TRUMBULL ELECTRIC MFG CO and JOHNSON TOMLINSON F.

Patent filings in countries

World map showing HART & HEGEMAN MFG COs patent filings in countries
# Country Total Patents
#1 United States 104

Patent filings per year

Chart showing HART & HEGEMAN MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guett Monroe 54
#2 Monroe Guett 20
#3 Sachs Joseph 10
#4 Stirling Clarence C 8
#5 Morris Shiras 3
#6 Foster Uri D 2
#7 Gates Frederic P 2
#8 Francis Charles A 1
#9 Peck Ashley P 1
#10 Strout Theodore C 1

Latest patents

Publication Filing date Title
US1797983A Electric-lamp fixture
US1680101A Lever-operated electric switch
US1680100A Switch
US1698587A Switch and fuse-plug socket
US1658635A Attachment plug
US1710576A Spring for electric snap switches
US1652118A Radiocondenser
US1634185A Double-throw switch
US1633405A Switch
US1633404A Tube socket
US1652541A Electric snap switch
US1643210A Electric switch
US1648805A Receptacle
US1650871A Flush wall switch
US1650870A Electrical connecter device
US1446652A Actuator for electric appliances
US1511809A Snap switch
US1503153A Metal-working machine
US1411086A Electric-appliance receiving box
US1466267A Electric snap switch