Learn more

SPENSLEY JACOB WILLIAM

Overview
  • Total Patents
    15
About

SPENSLEY JACOB WILLIAM has a total of 15 patent applications. Its first patent ever was published in 1912. It filed its patents most often in Canada, United Kingdom and Switzerland. Its main competitors in its focus markets materials and metallurgy, machines and textiles and paper are JIANGSU XINHUA SEMICONDUCTOR MATERIALS TECH CO LTD, TIANJIN AIDIAN TECH CO LTD and ASIA SILICON (QINGHAI) CO LTD.

Patent filings in countries

World map showing SPENSLEY JACOB WILLIAMs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United Kingdom 3
#3 Switzerland 2
#4 Austria 1
#5 Spain 1
#6 United States 1

Patent filings per year

Chart showing SPENSLEY JACOB WILLIAMs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Spensley Jacob William 12
#2 Battersby John William 4
#3 Jacob William Spensley 2
#4 Holmes Edmund Sykes 2
#5 Ormandy William Reginald 2

Latest patents

Publication Filing date Title
US1215424A Rotary disintegrating, pulverizing, or mixing apparatus.
CA165910A Soluble silicate
GB191501331A Improvements relating to Rotary Disintegrating, Pulverising or Mixing Apparatus.
GB191411959A Improvements relating to the Treatment of Silicate Glasses and the like, and the Preparation of Useful Products therefrom.
CA140362A Detergent manufacture
CA140363A Detergent manufacture
CA234818A Soap manufacture
CA244167A Wheat and rice breaking method
CA243985A Milling or breaking of grain, seeds and pips
CA234817A Manufacture of ink, etc.