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SPECIALLOID LTD

Overview
  • Total Patents
    73
About

SPECIALLOID LTD has a total of 73 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and materials and metallurgy are LONG ELMER C, WELLWORTHY LTD and DAY RAY E.

Patent filings in countries

World map showing SPECIALLOID LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 39
#2 Canada 9
#3 France 8
#4 United States 6
#5 Spain 5
#6 Austria 3
#7 Denmark 2
#8 Ireland 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hunt Tom Owen 9
#2 Bradley Graham Eric 4
#3 Harrison Alan Edward 4
#4 Graham Eric Bradley 4
#5 Robinson Albert Stanley 3
#6 Wills Herbert William 2
#7 Stanley Robinson Albert 2
#8 Barker Ronald Abraham 1
#9 William Wills Herbert 1
#10 Graham Eric B 1

Latest patents

Publication Filing date Title
GB1097110A Liquid-cooled piston
GB1096826A Piston, e.g. for an internal combustion engine or compressor
GB1046037A Fan transmission device for a wading or amphibious vehicle
GB1046036A Transmission device for an engine cooling fan
GB1035484A Casting process
GB1035485A Casting pistons by a hot dipping process
GB928903A Piston ring
GB885795A Ring-carrier insert for a piston
GB852806A Piston
GB805244A Improvements in and relating to pistons and piston rings
GB773002A Improvements in or relating to piston rings
GB787434A Piston ring
IE20633L Wearing rings for pistons, glands.
GB718612A Liquid cooled piston
GB744523A Aluminium bronze piston rings
US2657962A Piston ring
GB652143A Improvements in and relating to piston rings
GB613366A Improvements in and relating to machines for casting pistons
US2442408A Piston cooling construction
US2442438A Cooling rod and piston