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W & F WALKER LTD

Overview
  • Total Patents
    19
About

W & F WALKER LTD has a total of 19 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, Spain and Ireland. Its main competitors in its focus markets medical technology, basic materials chemistry and organic fine chemistry are BIOXAL, DERWENTSIDE LAB LTD and METREX RES CORP.

Patent filings in countries

World map showing W & F WALKER LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Spain 2
#3 Ireland 2
#4 Australia 1
#5 France 1

Patent filings per year

Chart showing W & F WALKER LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lunt Stanley Harold 1
#2 Joseph Thomas Freestone 1

Latest patents

Publication Filing date Title
GB843574A Improvements in or relating to attachment means for deodorising, disinfecting or like blocks
GB672114A Improvements in or relating to sulphonation processes
GB469047A Improvements in or relating to apparatus for diffusing volatilisable media
GB464850A Improvements in or relating to apparatus for perfuming or sterilising the atmospheres of rooms and like enclosed spaces
IE12497L Sterilization of air in rooms and enclosed spaces
IE12996L Soap compounds
GB401383A Improvements in and connected with the sterilization of the atmosphere of rooms or enclosed spaces
GB386185A Improvements in and connected with the sterilization of the atmosphere of rooms or enclosed spaces
GB376098A An improved manufacture of compounds for use for washing clothes and general washingand cleansing, and to the manufacture of soap
GB276764A Improvements in or connected with holders for toilet paper and the like
GB270470A A new or improved article for use as an insecticide, anti-pest, for disinfecting, deodorizing, or sanitary purposes
GB270440A Improvements in the manufacture of disinfecting, deodorising or sanitising substances
GB263556A Improvements in or connected with hygienic or like evaporative bodies or blocks, andholders for same
GB191324625A Improvements connected with Washing Compounds.
GB190523766A Improvements in Disinfecting and Deodorizing or Sanitary Blocks.
AU431805B Improved sanitary disinfecting and deodorizing blocks