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STONE JOHN STONE

Overview
  • Total Patents
    69
About

STONE JOHN STONE has a total of 69 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets telecommunications, basic communication technologies and digital networks are WIRED RADIO, WILLIAM W SWAN and DRAHTLOSE TELEGRAPHIE GMBH.

Patent filings in countries

World map showing STONE JOHN STONEs patent filings in countries
# Country Total Patents
#1 United Kingdom 29
#2 Canada 19
#3 United States 14
#4 France 7

Patent filings per year

Chart showing STONE JOHN STONEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stone John Stone 62
#2 Stone Stone John 7

Latest patents

Publication Filing date Title
US961265A Apparatus for determining the direction of space-telegraph signals.
CA125927A Space telegraphy
US908815A Space telegraphy.
US946168A Space telegraphy.
US986651A Space telegraphy.
GB190718152A Improvements in Apparatus for Determining the Direction of Space Telegraph Signals.
GB190717686A Improvements in Space Telegraphy.
GB190717690A Improvements in Space Telegraphy.
GB190717695A Improvements in Space Telegraphy.
GB190704123A Improvements in Systems for Wireless Telegraphy.
US946167A Space telegraphy.
CA100787A Space telegraphy
CA100789A Space telegraphy
CA100788A Space telegraphy
CA100786A Space telephony
CA100790A Space telegraphy
GB190609781A Improvements in Space Telegraphy.
GB190609788A Improvements in Space Telephony.
GB190609417A Improvements in Space Telegraphy.
GB190609412A Improvements in Space Telegraphy.