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RALPH HARPER MCKEE

Overview
  • Total Patents
    14
About

RALPH HARPER MCKEE has a total of 14 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets textiles and paper, organic fine chemistry and materials and metallurgy are ONSAGER OLAV T, POTASSE & PRODUITS CHIMIQUES and FERDINAND GROS & BOUCHARDY.

Patent filings in countries

World map showing RALPH HARPER MCKEEs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 France 3
#3 Germany 2

Patent filings per year

Chart showing RALPH HARPER MCKEEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mckee Ralph Harper 3

Latest patents

Publication Filing date Title
GB729446A Improvements relating to the continuous manufacture of rayon yarns
GB740684A Continuous process for digesting pulp
GB609737A Making paper containers grease-proof
GB568679A Method of treating textiles to prevent rotting
GB560492A Recovery of cellulose and lignin
GB445319A Improvements in recovery of carbon dioxide from waste gases
GB271725A Improvements in or relating to methods of making peroxides of organic acids
GB163210A Improvements in and relating to a process of making hydrogen and zinc oxide