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DOWSING HERBERT JOHN

Overview
  • Total Patents
    35
About

DOWSING HERBERT JOHN has a total of 35 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, medical technology and thermal processes are LORENZETTI S A IND BRASILEIRAS ELETROMETALURGICAS, STOKES AUSTRALASIA and METANIC SA.

Patent filings in countries

World map showing DOWSING HERBERT JOHNs patent filings in countries
# Country Total Patents
#1 United Kingdom 28
#2 United States 3
#3 Canada 2
#4 Switzerland 1
#5 Spain 1

Patent filings per year

Chart showing DOWSING HERBERT JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dowsing Herbert John 33
#2 Huntley David 3
#3 Keating Henry Sheehy 2
#4 Bremer Frederick 1
#5 Herbert John Dowsing 1

Latest patents

Publication Filing date Title
GB191509828A Improvements in the Manufacture of Electric Heating Elements.
GB191229750A A New or Improved Element for Electrical Heating.
GB191203253A A New or Improved Electric Heating Element.
GB191106526A Improvements in Apparatus for the Application of Radiant Heat or Light to the Human Body.
GB190804444A Improvements in connection with Electrical Radiators.
GB190717661A An Electric Switch for Series Lighting
GB190509012A Improved Light Bath Cabinet.
GB190423525A Improvements in connection with Electrical Radiators.
GB190413180A Improvements in connexion with Electric Radiators.
GB190405118A Improvements in or relating to Electrical Radiators.
GB190405119A New or Improved Light, Heat, Hot Air, and Vapour Bath or Cabinet.
CA82709A Electric stove
CA77258A Heat and light bath
US730750A Radiant-heat and heat-light bath.
GB190215591A An Improvement in Electric Stoves.
GB190207071A Improvements in Luminous Dry Heat Baths.
GB190124522A Improvements in Exercising and Developing Apparatus
GB190123536A Improvements in Apparatus for Treating Patients with Electrical Lighting and Heating Rays.
US697458A Electric lamp and lamp-holder.
GB190120905A An Improvement in Luminous Dry Heat Baths.