| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 7 | |
| #2 | France | 4 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Orcutt Arthur Hitchcock | 4 |
| #2 | Snarry John Wildsmith | 3 |
| #3 | Brady Samuel G | 2 |
| #4 | Gruenberg Ivor J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2392819A | Gear grinding machine | |
| CA291004A | Grinder and cutter for wheels | |
| CA339228A | Gear examining device | |
| CA391652A | Metal grinding or cutting machine | |
| CA531131A | Liquid cooled grinder wheel | |
| CA444256A | Machine-tool controlling means | |
| CA399659A | Gear grinding machine | |
| CA303013A | Trimming mechanism for grinding wheels |