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WALTER HALL

Overview
  • Total Patents
    11
About

WALTER HALL has a total of 11 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and environmental technology are MELCHIOR JEAN, CROSSLEY BROTHERS LTD and RICARDO HARRY RALPH.

Patent filings in countries

World map showing WALTER HALLs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 France 1

Patent filings per year

Chart showing WALTER HALLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Illius Donald Warrick 1
#2 Hall Walter 1

Latest patents

Publication Filing date Title
GB166451A Improvements relating to the induction pipes of internal combustion engines having radial cylinders
GB158977A Improvements in internal combustion engines
GB149716A Improvements in and connected with the valve operating mechanism of internal combustion engines
GB142627A Improvements in and connected with the construction of internal combustion engine cylinders
GB162008A Improvements in internal combustion engines
GB139949A Improvements in and connected with internal combustion engines
GB139363A Improvements in and connected with shaft bearings
GB144990A Improvements in and connected with the valve operating mechanism of internal combustion engines
GB140604A Improvements in and connected with the construction of pistons for internal combustion engines
GB141810A Improvements in internal combustion engines