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KIRKHAM HULETT & CHANDLER LTD

Overview
  • Total Patents
    23
About

KIRKHAM HULETT & CHANDLER LTD has a total of 23 patent applications. Its first patent ever was published in 1890. It filed its patents most often in United Kingdom, United States and Spain. Its main competitors in its focus markets chemical engineering, thermal processes and environmental technology are GALIPAG, MAKAROV EVGENIJ P and MAVAG VERFAHRENSTECH AG.

Patent filings in countries

World map showing KIRKHAM HULETT & CHANDLER LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 United States 4
#3 Spain 3

Patent filings per year

Chart showing KIRKHAM HULETT & CHANDLER LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Hersey Sidney 2
#2 French Slater Walter 1
#3 Blake Ernest William 1
#4 Chandler Samuel Jr 1
#5 Chandler Josiah 1

Latest patents

Publication Filing date Title
US1704518A Gas and liquid contact apparatus
GB256358A Improvements in sprayers for effecting intimate contact between liquids and gases
GB256351A Improvements in apparatus for effecting intimate contact between liquids and gases
GB254382A Improvements in apparatus for effecting intimate contact between liquids and gases
GB246978A Improvements in gas-washers
GB230243A Improvements in gas washer-scrubbers
GB114370A Improvements in Apparatus for Effecting Intimate Contact between Liquids and Gases.
GB104261A Improvements in Apparatus for Effecting the Intimate Contact of Liquids and Gases.
GB191307958A Improvements in Apparatus for Effecting Intimate Contact of Liquids and Gases.
GB191123813A Improvements in Apparatus for Effecting Intimate Contact between Liquids and Gases.
US935501A Apparatus for effecting intimate contact of liquids and gases.
GB190809384A Improvements in or connected with Filters chiefly Designed for use in the Purification of Gas.
GB190728387A Improvements in Washer-scrubbers for the Purification of Coal and other Gases
US838712A Apparatus for washing and scrubbing gas.
GB190424467A Improvements in Apparatus for Washing and Scrubbing Gas.
US638005A Apparatus for washing or scrubbing gas.
GB189906225A Improvements in Condensers chiefly Designed for Use in the Manufacture of Gas.
GB189725019A Improvements in Apparatus for Washing and Scrubbing Gas.
GB189605686A Improvements in Apparatus for Washing, Scrubbing, and Purifying Gas.
GB189512020A Improvements in Apparatus for Washing or Scrubbig Gas.