Learn more

HARNDEN LTD C A

Overview
  • Total Patents
    17
About

HARNDEN LTD C A has a total of 17 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets packaging and shipping, machines and textiles and paper are J & L DEV INC, KARTONAGENMASCHINENWERK KAMA V and CLARK & COMPANY LTD.

Patent filings in countries

World map showing HARNDEN LTD C As patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Canada 2
#3 Switzerland 2
#4 Germany 2
#5 United States 2

Patent filings per year

Chart showing HARNDEN LTD C As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Plevin Harold 3
#2 Hagemeister Per J 2
#3 Hagemeister Per Juel 2
#4 Hansen Viggo Rasmus 2
#5 Per Juel Dipl-Ing Hagemeister 2
#6 Viggo Rasmus Dipl-Ing Hansen 2
#7 Hansen Viggo R 2
#8 Wood Harold Mason 1
#9 Harnden Charles Arthur 1
#10 Juel Hagemeister Dipl-Ing Per 1

Latest patents

Publication Filing date Title
GB1395183A Core support
DE1804215A1 Method and device for winding up a continuous web of material
DE1779709A1 Welding machine for plastic film
GB972346A Web winding apparatus
GB970509A Web feeding apparatus
GB943676A Fluid control valves for web guiding apparatus
GB868295A Improvements in and relating to machines for winding material in web form
GB830865A Improvements in and relating to fluid control valves for web guiding apparatus
GB828678A Improvements in and relating to automatic fluid control valves for web guiding apparatus
GB462960A Improvements in and relating to web guiding apparatus
CA879060A Welding machine for plastic foil web
CA897142A Method and arrangement for winding up a continuous web