| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 5 | |
| #2 | United States | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Sweden | 3 | |
| #5 | Austria | 2 | |
| #6 | Australia | 2 | |
| #7 | Denmark | 2 | |
| #8 | France | 2 | |
| #9 | United Kingdom | 2 | |
| #10 | Italy | 2 | |
| #11 | Japan | 2 | |
| #12 | Philippines | 2 | |
| #13 | Brazil | 1 | |
| #14 | Czechoslovakia | 1 | |
| #15 | Germany | 1 | |
| #16 | Spain | 1 | |
| #17 | Finland | 1 | |
| #18 | India | 1 | |
| #19 | Mexico | 1 | |
| #20 | Romania | 1 | |
| #21 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #22 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Foods and drinks | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges | |
| #2 | Sucrose production | |
| #3 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoks Dirk | 12 |
| #2 | Hoks D | 11 |
| #3 | De Vries Gerbertus H | 1 |
| #4 | Dirk Hoks | 1 |
| #5 | Deiruku Hokusu | 1 |
| #6 | De Bruyn Gerrit C | 1 |
| #7 | Horks Dirk | 1 |
| #8 | Deiruku Houkusu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7604324B | A method of feeding material for centrifugation to a contiuously operating centrifuge and a centrifuge for performing the method | |
| US3932142A | Serial flow crystallization at linearly decreasing pressures | |
| US3537591A | Continuously operating centrifuge |