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H J ENTHOVEN & SONS LTD

Overview
  • Total Patents
    33
About

H J ENTHOVEN & SONS LTD has a total of 33 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets machine tools, materials and metallurgy and packaging and shipping are NIHON SUPERIOR SHA CO LTD, JIANGSU TOLAND ALLOY CO LTD and DANYANG PREC ALLOY FACTORY CO LTD.

Patent filings in countries

World map showing H J ENTHOVEN & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 France 6
#3 United States 3
#4 Germany 2
#5 Denmark 1
#6 Ireland 1

Patent filings per year

Chart showing H J ENTHOVEN & SONS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ville William Abraham De 2
#2 Guest Ernest Frederick 2
#3 Markus Hoffmann 1
#4 Taylor Leonard F 1
#5 Hoffmann Markus 1
#6 Hoffmann Dr Markus 1
#7 Wright Patrick W 1
#8 Frederick Guest Ernest 1

Latest patents

Publication Filing date Title
US2843476A Process for refining lead
GB720807A Improvements in and relating to reel-winding machines
GB715229A Improvements relating to the refining of lead and lead alloys
GB680676A Improvements relating to cored solder
DE824423C Solder
US2615805A Manufacture of lead
GB689462A Improvements relating to fluxes for cored solder and other solders
GB666956A Improvements in or relating to the manufacture of lead
GB664882A Improvements in or relating to soldering and solder therefor
GB659355A Improvements relating to cored solder
GB650182A Improvements in or relating to lead compositions and the treatment of lead
US2514542A Device for storing and dispensing material in filament form, such as metal or alloy wire, string or the like
GB636030A Improvements relating to cored solder
GB634018A Improvements relating to soldering
GB625450A Improvements relating to the manufacture of flux-cored solder wire
GB647501A Improvements relating to cylindrical cartons
IE17743L Soldering fluxes.
GB626795A Means for effecting intermittent automatic delivery of liquid derived from a bulk supply
GB631616A Improvements in devices for storing and dispensing material in filament form, such as metal or alloy wire, string and the like
GB607935A Improvements relating to soldering