| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | United States | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Indonesia | 1 | |
| #8 | Mexico | 1 | |
| #9 | Peru | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Milling | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ambrose David W | 11 |
| #2 | Droese Karl W | 11 |
| #3 | Droese Karl | 1 |
| #4 | Ambrose David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4461799A | Hydraulic spring crusher | |
| CN1153486A | Hydraulic spring crusher | |
| US5649669A | Hydraulic spring crusher |