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ALFRED JOSEPH LANGHAM

Overview
  • Total Patents
    11
About

ALFRED JOSEPH LANGHAM has a total of 11 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom. Its main competitors in its focus markets thermal processes and control are SPRENGER EDWIN, KARRINGTEN DARSELL and FIELD JR EDWARD A.

Patent filings in countries

World map showing ALFRED JOSEPH LANGHAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 11

Patent filings per year

Chart showing ALFRED JOSEPH LANGHAMs patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
GB929298A Improvements relating to control systems for pressure-jet oil burners operating on heavy oil
GB905841A Improvements in or relating to fuel oil burners
GB864111A A new or improved apparatus for controlling the draught produced by the chimneys or flues of boilers, stoves, furnaces and the like
GB731843A Improvements in or relating to fuel oil burners
GB683896A A new or improved apparatus for controlling the draught produced by the chimneys or flues of furnaces, boilers, stoves or kilns
GB683922A A new or improved apparatus for controlling the draught produced by the chimneys or flues of furnaces, boilers, stoves or kilns
GB683892A A new or improved apparatus for controlling the draught produced by the chimneys or flues of furnaces, boilers, stoves or kilns
GB658619A Improvements in or relating to fuel oil burners
GB682446A Improvements in or relating to means for controlling the flow of fluid
GB641327A A new or improved pressure-responsive liquid flow regulating and cut-off valve unit primarily for oil burners
GB611843A Improvements in or relating to liquid fuel burners