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FRANK BERRY ALLEN

Overview
  • Total Patents
    11
About

FRANK BERRY ALLEN has a total of 11 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets environmental technology, materials and metallurgy and basic materials chemistry are ZHEJIANG TIANDI ENVIRONMENTAL PROT ENGINEERING CO LTD, WAINWRIGHT HARRY SMITH and GUY CARPENTER.

Patent filings in countries

World map showing FRANK BERRY ALLENs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Germany 1

Patent filings per year

Chart showing FRANK BERRY ALLENs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB383683A Improved apparatus for discharging materials such as dust from hoppers and the like
GB359406A Slag handling apparatus
GB361905A Improvements in and relating to apparatus for pumping mixed liquids and solids
GB358527A Improvements in and relating to method and apparatus for handling residues
GB333450A Improvements in and relating to centrifugal pumps
GB337159A Improved method of and apparatus for handling ash and other solids in bulk
GB327893A Improvements in and relating to covers for sluiceways and the like
GB325442A Improvements in and relating to the crushing and disposal of furnace residues and other solid materials
GB227110A Improved method of and means for controlling and removing materials from hoppers