| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Sawing | |
| #2 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hensley Kenneth M | 7 |
| #2 | Hensley Kenneth | 4 |
| #3 | Beaver John | 4 |
| #4 | John Beaver | 1 |
| #5 | Kenneth Hensley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2651774A1 | Chain saw sharpener with composite wiskar | |
| BR0003517A | Chain saw sharpener adapted for the chain saw | |
| US6161453A | Saw chain sharpener for a chain saw |