| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 25 | |
| #2 | United Kingdom | 15 | |
| #3 | United States | 15 | |
| #4 | Australia | 14 | |
| #5 | Canada | 13 | |
| #6 | Sweden | 12 | |
| #7 | Finland | 11 | |
| #8 | France | 10 | |
| #9 | Germany | 8 | |
| #10 | Japan | 8 | |
| #11 | Zambia | 5 | |
| #12 | Switzerland | 4 | |
| #13 | EPO (European Patent Office) | 3 | |
| #14 | Brazil | 2 | |
| #15 | Spain | 2 | |
| #16 | Greece | 2 | |
| #17 | Ireland | 2 | |
| #18 | India | 2 | |
| #19 | Italy | 2 | |
| #20 | Malaysia | 2 | |
| #21 | Netherlands | 2 | |
| #22 | Norway | 2 | |
| #23 | Philippines | 2 | |
| #24 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #25 | Argentina | 1 | |
| #26 | Belgium | 1 | |
| #27 | Denmark | 1 | |
| #28 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Mechanical elements | |
| #4 | Measurement | |
| #5 | Packaging and shipping | |
| #6 | Audio-visual technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hawkins Albert Peter | 13 |
| #2 | Wolf Peter | 10 |
| #3 | Kelly Leonard | 10 |
| #4 | Richards Arthur Wilkie | 8 |
| #5 | Stone Alan M | 8 |
| #6 | Gordon Hilton Paul | 7 |
| #7 | Kelly L | 7 |
| #8 | Richards Arthur W | 6 |
| #9 | Boyle A | 5 |
| #10 | Kellock Hamish Ashton | 5 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8407838B | Ore sorting | |
| ZA8402170B | Ore sorting | |
| CA1225137A | Ore sorting | |
| ZA8302357B | Ore sorting | |
| ZA8203584B | Material sorting | |
| EP0064842A1 | Material sorting | |
| ZA8202904B | Sorting particulate material | |
| EP0064810A1 | Sorting particulate material | |
| ZA8201867B | Improvements in and relating to table separators | |
| ZA8200814B | Ore sorting | |
| EP0059033A1 | Ore sorting | |
| ZA8102397B | Ore-sizing apparatus | |
| ZA8100265B | Sorting apparatus | |
| ZA8100203B | Vibratory feeder | |
| AU6526880A | Sorting apparatus | |
| ZA8003607B | Electrostatic shield | |
| ZA8003608B | Scanning apparatus | |
| GB2057136A | Electrostatic shields | |
| GB2052736A | Scanning radiation from moving objects | |
| CA1112676A | Feed apparatus and method |