| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 52 | |
| #2 | Australia | 14 | |
| #3 | Canada | 14 | |
| #4 | United Kingdom | 14 | |
| #5 | United States | 10 | |
| #6 | Spain | 7 | |
| #7 | Zambia | 5 | |
| #8 | Brazil | 4 | |
| #9 | Zimbabwe | 3 | |
| #10 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Elevators and escalators | |
| #3 | Rail vehicle suspensions | |
| #4 | Containers for goods storage | |
| #5 | Couplings | |
| #6 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joubert Robert Montaque | 38 |
| #2 | Plessis Gysbert Jacobus Du | 17 |
| #3 | Brouwer Cornelis | 12 |
| #4 | Brouwer C | 12 |
| #5 | Robert Montaque Joubert | 10 |
| #6 | Schlebusch Jan Willem | 9 |
| #7 | Joubert R | 6 |
| #8 | Du Plessis Gysbert J | 5 |
| #9 | Lindeque Robert Richard | 5 |
| #10 | Gysbert Jacobus Du Plessis | 5 |
| Publication | Filing date | Title |
|---|---|---|
| AU3749497A | Skip | |
| CA2211294A1 | Skip | |
| ZA9602861B | Feeder chute assembly | |
| ZA9506723B | Measuring flask | |
| ZA9409810B | Trunnion | |
| ZA9409809B | Locking arrangement for an article of equipment for use in a mine | |
| ZA9308597B | Discharge hopper. | |
| CA2103009A1 | Discharge hopper | |
| ZA9303649B | Discharge hopper | |
| ZA9209357B | Mine shaft assembly | |
| ZA9010049B | Feeder chute | |
| ZA9009273B | Skip | |
| ZA9000948B | Self steering railwagon bogie | |
| ZA9000949B | Side discharge hopper | |
| ZA8901550B | Hopper construction | |
| ZA8901549B | Rail cars and wheel sets | |
| ZA8803924B | Bottom discharge hopper | |
| ZA8802679B | Skips | |
| ZA8802172B | Hoppers and discharge stations | |
| ZA8802171B | Hoppers and tipping assemblies |