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AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO LTD

Overview
  • Total Patents
    18
About

AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO LTD has a total of 18 patent applications. Its first patent ever was published in 1923. It filed its patents most often in France, United States and Germany. Its main competitors in its focus markets measurement and electrical machinery and energy are MACADIE DONALD, NANALYSIS CORP and ERMISCH JOCHEN.

Patent filings in countries

World map showing AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 France 5
#2 United States 5
#3 Germany 4
#4 Austria 2
#5 Switzerland 1
#6 United Kingdom 1

Patent filings per year

Chart showing AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Electrical machinery and energy

Top inventors

# Name Total Patents
#1 Donald Macadie 3
#2 Sutherland Macadie Hugh 2
#3 Attwood William Henry 1
#4 Hans Fraenkel 1
#5 Limited The Automatic Coil Win 1
#6 Macadie Hugh Sutherland 1
#7 Wilkins Sidney Rutherford 1

Latest patents

Publication Filing date Title
GB735865A Improvements in valve testers
US2359779A Ohmmeter
US1959592A Multirange electrical measuring instrument
DE562204C Cross shifting device on coil winding machines
DE582017C Braking device for the wire supply roll on coil winding machines
DE596512C Coil winding machine
DE579678C Spool winding machine with a device for automatically inserting paper or insulating strips between the layers of the spool and controlling the paper feed by the reciprocating wire guide
US1580086A Traverser mechanism for coil-winding machines
US1592375A Variable-drive mechanism for coil-winding machines and the like
US1593024A Electrical measuring instrument