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HARRY EDWARD GRESHAM

Overview
  • Total Patents
    22
About

HARRY EDWARD GRESHAM has a total of 22 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets transport, engines, pumps and turbines and thermal processes are CONS BRAKE & ENGINEERING COMPA, GRESHAM & CRAVEN LTD and ELIZALDE ROUVIER ARTURO.

Patent filings in countries

World map showing HARRY EDWARD GRESHAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 18
#2 France 4

Patent filings per year

Chart showing HARRY EDWARD GRESHAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gresham Harry Edward 4
#2 Gresham Frank James 1
#3 Kiernan George 1

Latest patents

Publication Filing date Title
GB386446A Improvements relating to vacuum brake apparatus of railway and like vehicles
GB372518A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB360799A Improvements relating to steam injectors
GB376380A Improvements relating to feed water heaters of the injector type
GB356339A Improvements in and relating to railway signalling
GB348745A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB279718A Improvements relating to combined steam and vacuum brake control mechanism for railway and like vehicles
GB234196A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB220379A Improvements relating to ejectors for the vacuum brake apparatus of railway and likevehicles
GB220380A Improvements in ejectors for vacuum brake apparatus
GB216667A Improvements relating to vacuum brake cylinders
GB201397A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB203469A Improvements in combined vacuum and pressure brake control apparatus
GB198570A Improvements in vacuum brake cylinders
GB204086A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB175130A Improvements relating to the cylinders of vacuum brake apparatus
GB157601A Improvements relating to vacuum brake apparatus for railway and like vehicles
GB158118A Improvements relating to vacuum brake cylinders