Learn more

LEASK HENRY NORMAN

Overview
  • Total Patents
    46
About

LEASK HENRY NORMAN has a total of 46 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets thermal processes, environmental technology and measurement are MARTIN JOHANNES JOSEF, TIRU TRAITE IND RESIDUS URBAIN and PAULI BALDUIN.

Patent filings in countries

World map showing LEASK HENRY NORMANs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 United States 15
#3 Canada 6
#4 Austria 4
#5 Spain 1

Patent filings per year

Chart showing LEASK HENRY NORMANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leask Henry Norman 45
#2 Damour Emilio 1
#3 Walker George Henry 1

Latest patents

Publication Filing date Title
CA186238A Refuse destroying furnace
GB191503013A Improvements in and connected with Refuse Destructor Furnaces.
GB191323043A Improvements in Means for Mechanically Emptying Refuse Bins, Hoppers, Bunkers or the like.
GB191317449A Improvements in and connected with Apparatus for Charging Refuse Destructor and other Furnaces.
GB191316773A Improvements in Absorption Brakes.
US1149071A Refuse-destructor.
GB191126474A Improvements in Grates for Refuse Destructors.
CA143600A Charging door for furnaces
US1148389A Means for regulating the feed to refuse-destructor and other furnaces.
US1074509A Charging-door for furnaces.
US1014494A Dynamometer.
US1133978A Charging-doors for furnaces.
US1055926A Conveying apparatus for charging bins, hoppers, &c.
CA143599A Charging door for furnaces
GB191029016A Improvements in Superheaters.
GB191029018A Improvements in Means for Preventing the Escape of Dust in Fuel Charging Apparatus.
GB191029017A Improvements in Charging Apparatus for Refuse Destructors to Prevent Escape of Dust.
GB191016237A Improvements in Charging Doors for Furnaces.
CA131367A Garbage furnace
US1085445A Refuse-destructor.