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LEESONA HOLT LTD

Overview
  • Total Patents
    33
About

LEESONA HOLT LTD has a total of 33 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets chemical engineering, packaging and shipping and textiles and paper are ADOLF HEINRICH JUNKERS, HAHM MANFRED and ZIMMERMANN JOS.

Patent filings in countries

World map showing LEESONA HOLT LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 25
#2 France 5
#3 United States 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Brierley Edgar 7
#2 Norris Alan Hedley 5
#3 Norton John 4
#4 Lee George 3
#5 Holt Frank 2
#6 Butterworth Harry Grimwood 2
#7 Edgar Brierley 2
#8 Hedley Norris Alan 1
#9 Clare John 1
#10 Summerscales John Bromley 1

Latest patents

Publication Filing date Title
GB1094710A Improvements in or relating to textile sizing machines
GB1108933A Improvement in winding machines
GB1080952A Improvements in or relating to textile sizing machines
GB983389A Yarn hank opening device
GB1044165A Improvements in or relating to sizing machines
GB1085481A Improvements in or relating to sizing machines
GB1036479A Improvements in or relating to sizing machines
GB1039725A Improvements in or relating to the winding of yarn on to packages
GB1077718A Improvements in suction cleaning equipment for winding machines
GB1010737A Improvements in thread feelers in textile stop motions
GB1007426A An improved cylinder
GB997443A Improvements in or relating to a method and apparatus for balling yarn
GB1011072A An improved textile winding machine
GB994413A Improvements in or relating to textile sizing machines
GB897882A Improvements in or relating to textile winding machines
GB871763A Improvements in or relating to winding machines for winding textile yarns or threadsor synthetic filaments
GB885382A Improvements in or relating to warp sizing machines
US3053222A Apparatus for the treatment of textile filamentary material
GB852703A Improvements in high-speed winding machines for winding textile yarns or threads or synthetic filaments into cones or cheeses
GB847615A A method of and means for controlling the application of size to yarn