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JAMES ERSKINE MURRAY

Overview
  • Total Patents
    16
About

JAMES ERSKINE MURRAY has a total of 16 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets measurement, telecommunications and basic communication technologies are BRADAR IND S A, LEOLABS INC and WAECHTLER DR MAXIMILIAN.

Patent filings in countries

World map showing JAMES ERSKINE MURRAYs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 France 3
#3 Germany 1

Patent filings per year

Chart showing JAMES ERSKINE MURRAYs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Radio navigation
#2 Antennas
#3 Amplification control

Top inventors

# Name Total Patents
#1 Erskine-Murray James 3
#2 Robinson James 2

Latest patents

Publication Filing date Title
GB176127A An improved method or means for determining the direction of propagation of electromagnetic waves
GB169817A Improvements in electrical resistances of the thermionic type
GB163855A Improvements in or connected with radio-navigational apparatus and the like
GB160251A Improvements in or connected with radio-navigational apparatus and the like
GB160250A Improvements in or connected with radio-navigational apparatus and the like
GB159601A Method of comparing sounds
GB152758A Improvements in or connected with radio-navigational apparatus and the like
GB151389A Improvements in or connected with radio-navigational apparatus and the like
GB149826A Improvements in or connected with radio-navigational apparatus and the like
GB149827A Improvements in or connected with radio-navigational apparatus and the like
GB158005A Improvements in or relating to wireless receiving and transmitting apparatus
GB141190A Improvements in or relating to wireless receiving and transmitting apparatus