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.
# | Country | Total Patents | |
---|---|---|---|
#1 | South Africa | 7 | |
#2 | Australia | 2 | |
#3 | Canada | 2 | |
#4 | United Kingdom | 2 | |
#5 | Belgium | 1 | |
#6 | Brazil | 1 | |
#7 | EPO (European Patent Office) | 1 | |
#8 | Finland | 1 | |
#9 | United States | 1 | |
#10 | Zambia | 1 | |
#11 | Zimbabwe | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Materials and metallurgy | |
#3 | Civil engineering | |
#4 | Environmental technology | |
#5 | Transport |
# | Technology | |
---|---|---|
#1 | Separation | |
#2 | Compounds containing metals | |
#3 | Shafts | |
#4 | Climate change mitigation in transportation | |
#5 | Vehicle wheels |
# | 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 |
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 |