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LEESONA LTD

Overview
  • Total Patents
    41
About

LEESONA LTD has a total of 41 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany, United Kingdom and Switzerland. Its main competitors in its focus markets packaging and shipping, textiles and paper and chemical engineering are HACOBA TEXTILMASCHINEN, GRINDROD KERSHAW and WARP COMPRESSING MACHINE COMPA.

Patent filings in countries

World map showing LEESONA LTDs patent filings in countries
# Country Total Patents
#1 Germany 9
#2 United Kingdom 9
#3 Switzerland 6
#4 United States 6
#5 France 5
#6 Spain 3
#7 Canada 2
#8 Brazil 1

Patent filings per year

Chart showing LEESONA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Norton John 15
#2 John Norton 4
#3 Mckenzie John 3
#4 Norton Jack 3
#5 Henry Cooper James 2
#6 Norton John Darwen 1
#7 John Mckenzie 1
#8 Cooper James Henry 1
#9 Butterworth Harry G 1
#10 Mc Kenzie J 1

Latest patents

Publication Filing date Title
GB1333160A Apparatus for use in processing continuous materials
FR2064041A1 OPTICAL INSTRUMENT
US3677482A Winding machine
DE1919000A1 Device for controlling the yarn tension in a sizing machine
FR1547025A Rack, or reel holder
GB1222967A Method and apparatus for winding beams
GB1208777A Improvements in warp tension control means
GB1214999A Strand tension control apparatus
GB1175974A Improvements in or relating to Creels
FR1482236A Improvements to drying equipment
DE1635016A1 Pre-drying device
US3364587A Movable yarn drier having infrared heaters and automatic controls therefor
GB1108821A An improved size mixing apparatus
GB1160545A Improvements in or relating to a Yarn Stretch Indicator
GB1085444A Improvements in drying apparatus
GB1036789A Yarn tension control device
CA883156A Method and apparatus for winding beams
CA913588A Winding machine