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RHODESIA BROKEN HILL DEV COMPA

Overview
  • Total Patents
    18
About

RHODESIA BROKEN HILL DEV COMPA has a total of 18 patent applications. Its first patent ever was published in 1926. It filed its patents most often in France, United States and Germany. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are HOLLAND GERHARD, INT ORE TECHNOLOGY INC and INT NICKEL CO OF CANADA LTD TH.

Patent filings in countries

World map showing RHODESIA BROKEN HILL DEV COMPAs patent filings in countries
# Country Total Patents
#1 France 6
#2 United States 6
#3 Germany 4
#4 Canada 2

Patent filings per year

Chart showing RHODESIA BROKEN HILL DEV COMPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nelson Watson William 6
#2 Chad Norris Gerald 6
#3 Hillman Stevens Royale 6
#4 Stevens Royale Hillman 2
#5 Norris Gerald Chad 2
#6 Watson William Nelson 2

Latest patents

Publication Filing date Title
US1778987A Purification of zinc solutions
US1843006A Removal of silica from metal-bearing solutions
US1812761A Removal of phosphorus from metal bearing solutions
US1733700A Recovery of vanadium
US1795412A Acid extraction of metals such as zinc and vanadium
US1733676A Purification of industrial zinc-sulphate solutions preparatory to electrolysis
DE592354C Process for obtaining the acid-soluble metal content from a precipitate of silica, ferric compounds or clay which tends to gelatinize when acid is added
DE595015C Process for the extraction of high-quality vanadium products from impure iron-containing vanadium solutions
DE477290C Technical removal of nickel from zinc sulfate solutions
DE572710C Process to produce granular precipitates of silica from zinc, copper or vanadium solutions by heating and stirring in the presence of basic substances
CA298270A Treatment of impurity precipitates obtained from metallurgical solutions
CA287914A Removal of impurities from metal-bearing solution