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RIDLEY THOMAS WILLIAM

Overview
  • Total Patents
    24
About

RIDLEY THOMAS WILLIAM has a total of 24 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets civil engineering, machines and thermal processes are ORB INC, KOKEN SEKKEI KENKYUSHO KK and FUJITO KAZUHARU.

Patent filings in countries

World map showing RIDLEY THOMAS WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Canada 4
#3 United States 4
#4 Austria 2
#5 Denmark 2
#6 Spain 2

Patent filings per year

Chart showing RIDLEY THOMAS WILLIAMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ridley Thomas William 22
#2 Williamson John Dowson 1
#3 Tait James 1

Latest patents

Publication Filing date Title
GB191517955A Improvements in Kilns or Ovens for Annealing Slag Bricks or Blocks.
CA156901A Apparatus for forming concrete piles
CA156902A Pile
US1120974A Pile.
GB191406671A Improvements relating to Concrete Piles.
US1101662A Apparatus for forming concrete piles.
GB191400137A Improvements in Apparatus for Forming Concrete Piles.
CA152892A Concrete pile
CA150664A Concrete pile
GB191307033A Improvements relating to Concrete Piles.
US1087830A Pile.
GB191228511A Improvements in and relating to Concrete Piles.
GB190524730A Improvements in Endless Chain Conveyors or Elevators.
GB190519884A Improvements in Apparatus suitable for the Manufacture of Slag Bricks.
GB190509249A Improvements in the Treatment of Slag and in Apparatus therefor.
GB190420018A Improvements in Slag or Scoriae Bricks or Blocks and in the Method of and Apparatus for Manufacturing the same.