Learn more

GOLD FIELDS MINING & DEV LTD

Overview
  • Total Patents
    20
About

GOLD FIELDS MINING & DEV LTD has a total of 20 patent applications. Its first patent ever was published in 1975. It filed its patents most often in South Africa, Australia and Canada. Its main competitors in its focus markets chemical engineering, materials and metallurgy and civil engineering are DELKOR TECH, GREENCON CO LTD and ANHUI BAYI CHEMICAL IND CO LTD.

Patent filings in countries

World map showing GOLD FIELDS MINING & DEV LTDs patent filings in countries

Patent filings per year

Chart showing GOLD FIELDS MINING & DEV LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peverett Noel Francis 4
#2 Odendaal D 2
#3 Niekerk Christoffel Johannes V 2
#4 Odendaal David F 2
#5 Noel Francis Peverett 2
#6 Stoltz E 1
#7 Carman E 1
#8 Foster Sala Robert 1
#9 Robartes Gordon Wyndham 1
#10 Niekerk C J Van 1

Latest patents

Publication Filing date Title
ZA9705320B Bottom discharge skip.
ZM7387A1 Pulp thickeners
ZW17087A1 Pulp thickeners
ZA8706588B Pulp thickeners
AU5051485A Precipitation of iron from zinc sulphate solutions in a pressure vessel, temp greater than 110c, time less than 30 30 mins.
ZA8509072B Precipitation of iron from sulphate solutions
ZA8208565B Determining of free cyanide in solution
GB2053104A Rail wheels
ZA8003612B Rail wheels
GB2054700A Underground rock chutes
ZA8003292B Underground rock chutes
ZA7506452B Treating siliceous ores of magnesium