| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Hong Kong | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Australia | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Accessories for machine tools | |
| #3 | Unspecified technologies | |
| #4 | Turning | |
| #5 | Sawing | |
| #6 | Tools for connecting or disengaging | |
| #7 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Porter Ronald J | 14 |
| #2 | Corbin Krestine | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US6367137B1 | Skiving and roller burnishing tool | |
| AU7376094A | Dual roller burnishing system | |
| US5090628A | Chip crusher | |
| US5014580A | Centering stand for cylinder holder |