| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Belgium | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Making gears or toothed racks | |
| #2 | Unspecified technologies | |
| #3 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fickett Ernest L | 6 |
| #2 | Fickett E L | 1 |
| #3 | Scurlock Lewis Harvey | 1 |
| #4 | Greene Linus E | 1 |
| #5 | Scurlock Lewis H | 1 |
| #6 | Vladimir Charushin | 1 |
| #7 | Gear Corporation Scurlock | 1 |
| #8 | Campbell James S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB311334A | Improvements in or relating to power transmission gearing | |
| US1797227A | Gear-cutting apparatus | |
| US1796092A | Gear-cutting machine | |
| US1830753A | Gear cutting machine | |
| US1799460A | Gear-cutting machine | |
| GB321443A | Improvement in method of and machine for cutting gears | |
| US1814911A | Gearing | |
| US1796515A | Machine for producing spiral bevel gears | |
| US1711546A | Differential mechanism | |
| CA294781A | Differential gearing |