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VARLEY DUPLEX MAGNET CO

Overview
  • Total Patents
    85
About

VARLEY DUPLEX MAGNET CO has a total of 85 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets electrical machinery and energy, machines and engines, pumps and turbines are CENTRAL TRANSFORMER CORP, TRANSFIX SOC NOUV and RESINITE CORP.

Patent filings in countries

World map showing VARLEY DUPLEX MAGNET COs patent filings in countries
# Country Total Patents
#1 United States 76
#2 Canada 4
#3 France 3
#4 United Kingdom 2

Patent filings per year

Chart showing VARLEY DUPLEX MAGNET COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Varley Richard 39
#2 Richard Varley 15
#3 Scott Archibald D 10
#4 Anderson James C 6
#5 Scott Archibald Douglas 3
#6 Scott Mary V 3
#7 Macfarren Walter W 2
#8 Bausch Adam 1
#9 Underhill Charles R 1
#10 Varley Benjamin R 1

Latest patents

Publication Filing date Title
US1662765A Adjustable coil mounting
US1659062A Coil mounting
US1630645A Magneto
US1547274A Winding machine
US1658911A Motor-driven vehicle
US1589435A Mechanism for controlling the unwinding of strand material and guiding the same
US1534812A Winding machine
US1534813A Winding machine
US1528590A Headlight control
US1593230A Armature for magnetos and the like
US1525420A Electric controlling device for automobiles
US1438003A Electrical-switch device
US1492340A Electrical system for self-propelled vehicles
US1485098A Automobile alarm system
US1517033A Ignition generator
US1427509A Winding machine
US1457917A Lockout for automatic starters
US1361651A Battery-protecting device for charging and lighting systems
US1368536A Winding-machine
US1482167A Circuit controller