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ROLAND WYNN BROADHEAD

Overview
  • Total Patents
    14
About

ROLAND WYNN BROADHEAD has a total of 14 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United Kingdom. Its main competitors in its focus markets mechanical elements, basic materials chemistry and thermal processes are PUROX COMPANY, TOTALGAZ CIE FSE and UTILISATION RATION GAZ.

Patent filings in countries

World map showing ROLAND WYNN BROADHEADs patent filings in countries
# Country Total Patents
#1 United Kingdom 14

Patent filings per year

Chart showing ROLAND WYNN BROADHEADs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB398439A Improvements in pressure gas holders
GB395031A Improvements relating to conveyors for coke, coal and the like
GB354709A Improvements in machines for screening or grading coke, coal and other materials
GB307179A An improved type of gasholder
GB301440A Improvements in or relating to gas purifiers, scrubbers and the like
GB290052A Improvements relating to baths
GB286835A Improvements relating to regenerator settings for use in the manufacture of gas
GB286418A Improvements relating to regenerator settings for use in the manufacture of gas
GB289123A Improvements relating to carbonizing plant used in the manufacture of gas
GB214486A Improvements relating to retort and like doors
GB190379A Improvements in and relating to bearings or means for supporting and guiding gasholders
GB190380A Means for applying lubricant to the guides or guide rails of gasholders
GB184120A Improved bearings or means for supporting gas holders
GB184747A Improved carriers or carriages for revoluble bearings to be employed for the supporting of gasholders