Learn more

STEWART WILLIAM JOHN

Overview
  • Total Patents
    31
About

STEWART WILLIAM JOHN has a total of 31 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, United States and Austria. Its main competitors in its focus markets civil engineering, transport and machines are ELMER KARL HEINZ, CCCC FIRST HARBOR ENG CO LTD and BERMINGHAM CONSTRUCTION LTD.

Patent filings in countries

World map showing STEWART WILLIAM JOHNs patent filings in countries
# Country Total Patents
#1 United Kingdom 25
#2 United States 3
#3 Austria 1
#4 Canada 1
#5 France 1

Patent filings per year

Chart showing STEWART WILLIAM JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stewart William John 31
#2 Woolcock John 7
#3 Mckinnon John Daniel 1
#4 Kruse Holger 1

Latest patents

Publication Filing date Title
GB123558A Improvements in or relating to Ferro-concrete Ship Construction.
GB122045A Improvements relating to Ship Construction.
GB123115A Improvements in the Moulding or Casting of Reinforced Concrete Ships and other Structures.
GB117504A Improvements relating to Concrete and the like.
GB115797A Improvements relating to Ferro-concrete Construction applicable to the Walls of Ships and other Structures.
GB113375A Improvements relating to the Construction of Ferro-concrete Piles.
GB114221A Improvements relating to Reinforced Concrete Piles.
GB191503444A Improvements in Means for Constructing Pile Foundations.
GB191421851A Improvements in or relating to Concrete Piles, Pillars, Beams and other Concrete Structures.
GB191405192A Improvements in and relating to Ties for Reinforcements for Concrete Work.
US990308A Center-bearing for cars.
GB191008488A Improvements in and relating to the Construction of Piles.
GB190917423A Improvements in and relating to Hollow Reinforced Concrete Beams and the Moulding thereof.
GB190910976A Improvements in and relating to Concrete and other Piles and Piling.
GB190909204A Improvements in and relating to Machines for Hackling Flax, Jute, and the like.
US985640A Reinforced concrete structure.
GB190907455A Improvements in and relating to the Manufacture of Longitudinally Divided Concrete Piles.
GB190811566A Improvements in and relating to the Construction of Reinforced Hollow Concrete Piles.
GB190907453A Improved Means for Moulding and for Forming Lengths of Concrete Piles.
GB190907454A Improvements in and in the Method of Driving Hollow Reinforced Concrete Piles.