| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Netherlands | 3 | |
| #5 | Australia | 2 | |
| #6 | Germany | 2 | |
| #7 | EPO (European Patent Office) | 2 | |
| #8 | France | 2 | |
| #9 | WIPO (World Intellectual Property Organization) | 2 | |
| #10 | Belgium | 1 | |
| #11 | Colombia | 1 | |
| #12 | Denmark | 1 | |
| #13 | Italy | 1 | |
| #14 | Mexico | 1 | |
| #15 | Norway | 1 | |
| #16 | New Zealand | 1 | |
| #17 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machine tools | |
| #3 | Foods and drinks | |
| #4 | Chemical engineering | |
| #5 | Materials and metallurgy | |
| #6 | Packaging and shipping | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Refining | |
| #2 | Presses | |
| #3 | Separation | |
| #4 | Food proteins | |
| #5 | Casting metal | |
| #6 | Fodder | |
| #7 | Transport or storage devices | |
| #8 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schottelkotte William F | 8 |
| #2 | Mansfield Peter W | 6 |
| #3 | Shaw Donald A | 4 |
| #4 | Dupps Frank N | 4 |
| #5 | Williams William H | 4 |
| #6 | Horton Robert H | 3 |
| #7 | Schottelkotte William | 3 |
| #8 | Schottelkotte W F | 3 |
| #9 | Dupps John A | 2 |
| #10 | Horton Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MX2014001263A | High compression shaft configuration and related method for screw press systems used in rendering applications. | |
| AU3768702A | Continuous conditioning method and apparatus | |
| US5188023A | Cast formed bi-metallic worm assembly and method | |
| US5088397A | Cast formed bi-metallic worm assembly | |
| US4996919A | Bi-metal feed screw for screw presses | |
| US4791864A | Drainage system for expressing fibrous materials | |
| CA1219878A | Energy efficient continuous rendering system | |
| US3883329A | High efficiency vapor control system | |
| US2818165A | Screw conveyor | |
| CA566839A | Screw conveyor |