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LEETHAM SIDNEY

Overview
  • Total Patents
    30
About

LEETHAM SIDNEY has a total of 30 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets machines, measurement and chemical engineering are TORXX KINETIC PULVERIZER LTD, SHENG JINPING and OSCAR SODER.

Patent filings in countries

World map showing LEETHAM SIDNEYs patent filings in countries
# Country Total Patents
#1 United Kingdom 18
#2 Canada 4
#3 United States 4
#4 Spain 2
#5 Switzerland 1
#6 Denmark 1

Patent filings per year

Chart showing LEETHAM SIDNEYs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Leetham Sidney 28
#2 Leetham Richard Edmund 6
#3 Simon Henry 2
#4 Bousfield Edward George Paul 1

Latest patents

Publication Filing date Title
GB121520A Improvements in and connected with Roller Grinding Mills for Milling Flour.
CA152068A Grain grinding process
GB191225063A Improvements in Machines for Subjecting Grain or Partly Ground Materials to Pressure for Rubbing or Further Grinding or Reducing.
US1057747A Machine for rubbing, grinding, or reducing materials.
GB191211176A Improvements in Automatic Feed Weighing and Packing Apparatus.
GB191204521A Improvements in Machines for Subjecting Grain or Partly Ground Materials to Pressure for Rubbing or Further Grinding or Reducing.
GB191202650A An Improved Process for Treating Grain and Mill Products.
GB191107212A Improvements in the Cleaning of Wheat, Barley and other Cereals.
US865919A Automatic feed weighing and packing apparatus.
US858728A Automatic feed weighing and packing apparatus.
GB190520379A Improvements in Washing or Scouring Wheat and Grain and Apparatus therefor.
CA93176A Apparatus for bleaching or sterilising
CA93175A Bleaching, sterilising, or conditioning agent
CA91988A Apparatus for treating flour
GB190405790A An Improved Process for Bleaching or Sterilising and Apparatus therefor.
GB190405789A Improved Process for Bleaching, Conditioning or Sterilising Flour, Milk and other Food Products or Fermentable Materials.
GB190404215A Improvements in Automatic-feed Weighers.
GB190400456A Improvements in the Manufacture of Chlorine by Electrolysing Sodium Chloride Solution, and Apparatus therefor.
GB190316472A Improvements in Apparatus for Treating Finely Divided Materials such as Flours with a Gaseous Agent.
GB190312046A Improved Process and Apparatus for Bleaching Wheat, Flour, and the like,