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SPARKLETS LTD

Overview
  • Total Patents
    87
About

SPARKLETS LTD has a total of 87 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets packaging and shipping, mechanical elements and machines are SHANGHAI HUAPENG EXPLOSION PROOF SCIENCE AND TECHNOLOGY CO LTD, WEW WESTERWALDER EISENWERK GMBH and LRS INC.

Patent filings in countries

World map showing SPARKLETS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 33
#2 France 15
#3 United States 13
#4 Canada 7
#5 Germany 7
#6 Austria 6
#7 Spain 5
#8 Ireland 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Rousset Rene Paul 6
#2 Roberts Charles Whittaker 4
#3 William Brewer 4
#4 Ward Lawrence T 2
#5 Hunter Campbell Robert 2
#6 Breen Leslie 2
#7 Cullender Henry Francis 2
#8 Heskett Kenneth David 2
#9 Campbell Robert Hunter 2
#10 Rayman Richard 2

Latest patents

Publication Filing date Title
GB834723A Apparatus for die casting and moulding
GB840193A Applicators for use with valved dispensing containers
US2893259A Valve actuating device
DE1084095B Actuating device for spindle drives of fittings
GB833056A Device for the controlled discharge of compressed fluid
GB839775A Fluid dispensing means
GB834927A Improvements in containers for discharging liquids under gaseous pressure
GB831801A Means for producing a fluid-tight joint and vessels including such means
GB818265A Valve actuating device
GB798145A Means for releasing compressed gases from containers therefor
GB815610A Apparatus for aerating and dispensing materials
GB797159A Metal capsules
GB803675A Discharging compressed fluid containers
GB769605A Improvements in or relating to means for releasing compressed fluid from containers therefor
GB775678A Improvements in or relating to means for releasing compressed gas from a container therefor
GB710196A Improvements in or relating to means for releasing compressed gases from containers therefor
GB704817A Improvements in or relating to weight checking apparatus
GB685900A Improvements in or relating to containers for fluids under pressure
DE819364C siphon
DE818914C Device for dispensing fluids from a pressurized container