| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | China | 3 | |
| #5 | Australia | 1 | |
| #6 | Brazil | 1 | |
| #7 | Japan | 1 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Computer technology | |
| #4 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hackman Roger L | 17 |
| #2 | Ritchie Mark A | 6 |
| #3 | Martin Wayne | 6 |
| #4 | Switzer Kurt | 1 |
| #5 | Switzer Kurt E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020061727A1 | Multi-component gear cutting tool | |
| CN107666978A | Cutter with removable massaging device | |
| WO2013191868A1 | Grinding machine with multi-spindle grinding head | |
| EP2480374A1 | Tool grinding machine | |
| US2008145164A1 | Machine spindle | |
| US2006133901A1 | Cutting tool for gears and other toothed articles |