Learn more

REDMAN HEENAN FROUDE LTD

Overview
  • Total Patents
    44
About

REDMAN HEENAN FROUDE LTD has a total of 44 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, France and Australia. Its main competitors in its focus markets electrical machinery and energy, measurement and environmental technology are HEENAN & FROUDE LTD, VIBRAC CORP and MARTIN PHILLIP WINTHER.

Patent filings in countries

World map showing REDMAN HEENAN FROUDE LTDs patent filings in countries
# Country Total Patents
#1 Germany 10
#2 France 8
#3 Australia 7
#4 United Kingdom 7
#5 Italy 6
#6 Spain 3
#7 Belgium 2
#8 United States 1

Patent filings per year

Chart showing REDMAN HEENAN FROUDE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jaeschke Ralph Louis 4
#2 Salter Tom 3
#3 Lewis Donald Bernard 2
#4 Mclaren Robert John Lawson 2
#5 Lewis D 1
#6 Woelz Donald Dennis 1
#7 O'Callaghan Gerald Francis 1
#8 Mclaren Robert John Lawton 1
#9 Moyer W H 1
#10 Jaeschke R L 1

Latest patents

Publication Filing date Title
DE2518267A1 Speed control for several drives - forms actual and required speed difference for each drive and relative positions of drives
IT1036851B Speed control for several drives - forms actual and required speed difference for each drive and relative positions of drives
GB1454393A Hydrokinetic devices
AU4044372A Tilted cyclonic furnace
AU3728471A Improvements in or relating to hydro-kinetic apparatus
US3785216A Control systems for hydrokinetic devices
AU3432171A Furnaces
GB1367076A Apparatus for use in a refuse incinerator
GB1377949A Furnace for incinerating refuse