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JOHN MATHIESON DODDS

Overview
  • Total Patents
    38
About

JOHN MATHIESON DODDS has a total of 38 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United Kingdom. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and measurement are CLAUDE SEYMOUR, THOMSON VARIAN and VLADISLAS ZEITLINE.

Patent filings in countries

World map showing JOHN MATHIESON DODDSs patent filings in countries
# Country Total Patents
#1 United Kingdom 38

Patent filings per year

Chart showing JOHN MATHIESON DODDSs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB640262A Improvements relating to radar testing equipment
GB639991A Improvements relating to control apparatus for cathode ray tubes
GB624025A Improvements relating to control apparatus for cathode ray tubes
GB620087A Improvements relating to control apparatus for cathode ray tubes
GB618634A Improvements relating to locking devices for shafts
GB621074A Improvements relating to cathode ray tubes
GB620519A Improvements relating to cathode ray tubes
GB626859A Improvements relating to microwave radar equipment
GB580089A Improvements in and relating to electrical apparatus immersed in insulation materialwithin hermetically-sealed enclosures
GB581324A Improvements in relaxation circuits for producing electrical impulses at regular recurrence frequencies
GB570360A Improvements in step-by-step driving mechanisms
GB582201A Improvements relating to cathode ray tubes
GB582202A Improvements in radio receivers
GB582203A Improvements in radio receivers
GB582128A Improvements in tunable radio receivers
GB582125A Improvements in control circuits for cathode-ray apparatus
GB626284A Improvements in radio transmitters
GB625885A Improvements in or relating to radio transmitters
GB579963A Improvements in electric frequency dividers
GB530140A Improvements in and relating to cathode ray tubes