Learn more

WILLIAMS JOHN NORMAN SPENCER

Overview
  • Total Patents
    11
About

WILLIAMS JOHN NORMAN SPENCER has a total of 11 patent applications. Its first patent ever was published in 1889. It filed its patents most often in Spain, United Kingdom and United States. Its main competitors in its focus markets foods and drinks are NOWAK FRANZ, TEATINI DARIO and BUNDABERG FOUNDRY ENG LTD.

Patent filings in countries

World map showing WILLIAMS JOHN NORMAN SPENCERs patent filings in countries
# Country Total Patents
#1 Spain 5
#2 United Kingdom 5
#3 United States 1

Patent filings per year

Chart showing WILLIAMS JOHN NORMAN SPENCERs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Foods and drinks

Focus technologies

# Technology
#1 Sucrose production

Top inventors

# Name Total Patents
#1 Williams John Norman Spencer 6

Latest patents

Publication Filing date Title
GB191516799A Improvements in Process for Extracting Sugar from Low Grade Molasses.
US1175494A Process of extracting sugar from low-grade molasses.
GB189320006A Improvements in Filters.
GB189319585A Improvements in Reciprocating Pumping Machinery for Exhausting or Compressing Air, Vapor, or Gas.
GB189318642A Improvements in Multiple-effect Evaporators.
GB189314394A Improvements in Defacating or Purifying Saccharine Liquids, and in Apparatus therefor.