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WALTER JONES & CO ENGINEERS LT

Overview
  • Total Patents
    11
About

WALTER JONES & CO ENGINEERS LT has a total of 11 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets electrical machinery and energy, telecommunications and digital networks are ROSENBERG EMANUEL, FARKAS OTTO and MAGNETO LUMIERE L M C.

Patent filings in countries

World map showing WALTER JONES & CO ENGINEERS LTs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Germany 1

Patent filings per year

Chart showing WALTER JONES & CO ENGINEERS LTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones Harold Hosgood 6
#2 Hills Eric George 2
#3 Merrill Frank Winthrop 1
#4 Rutherford Victor Stanley 1
#5 Clark Gordon Cochrane 1

Latest patents

Publication Filing date Title
GB870547A Centrifugal electric switch for governing direct current motors
DE1042088B Pole wheel for synchronous machines, especially synchronous motors starting asynchronously
GB778505A Rotors for dynamo electric machines
GB773501A Improvements in governors for dynamo-electric machines
GB744936A Carrier current motor generators for voice frequency telegraph transmission
GB723608A Electricity supply systems
GB735307A Error corrector for electric generators
GB716636A Improvements in tone generators
GB656580A Improvements in stand-by electrical supply apparatus
GB656596A Improvements in stand-by electrical supply apparatus
GB647099A Cam followers for telephone and like contact springsets