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NATHAN FREDERIC LEWIS

Overview
  • Total Patents
    13
About

NATHAN FREDERIC LEWIS has a total of 13 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, Australia and United States. Its main competitors in its focus markets basic materials chemistry and organic fine chemistry are PB CLERMONT SA, GIRARD ADAM CHARLES and IDL CHEMICALS LTD.

Patent filings in countries

World map showing NATHAN FREDERIC LEWISs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Australia 2
#3 United States 2

Patent filings per year

Chart showing NATHAN FREDERIC LEWISs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Explosives
#2 Acyclic or carbocyclic compounds

Top inventors

# Name Total Patents
#1 Nathan Frederic Lewis 11
#2 Rintoul William 10
#3 Baker Frank 6
#4 Thomson James Miln 5
#5 Thomson William Thomas 1
#6 Scott Andrew 1

Latest patents

Publication Filing date Title
GB191304941A Improvements in and relating to Explosives.
GB191304940A Improvements in and relating to Explosives.
GB191212745A Improvements in and relating to Explosives.
GB191212743A Improvements in and relating to Explosives.
GB191212746A Improvements in and relating to Explosives.
GB191212742A Improvements in and relating to Explosives.
US841886A Manufacture of nitroglycerin.
GB190307269A Improvements in the Manufacture of Nitro-cellulose
GB190303020A Improvements in and relating to the Manufacture of Nitroglycerine.
US702325A Apparatus for the manufacture of nitroglycerin.
GB190115983A Improvements in Apparatus for the Manufacture of Nitroglycerine.