| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 3 | |
| #3 | France | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Sawing | |
| #3 | Soldering, welding and flame cutting | |
| #4 | Making gears or toothed racks | |
| #5 | Accessories for machine tools | |
| #6 | Gearing | |
| #7 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crawford Charles H | 2 |
| #2 | Gotberg Harry H | 2 |
| #3 | Jacobson Eric W | 2 |
| #4 | Zawacki Arnold J | 1 |
| #5 | Benedict Welte | 1 |
| #6 | George Cameron | 1 |
| #7 | Jacksy John M | 1 |
| #8 | K Fulks James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1221459A | Broaching apparatus | |
| GB1134155A | Improvements in or relating to broaches | |
| US3339056A | Machine and method of applying metal layer | |
| US3415103A | Straightening apparatus and method | |
| US3317984A | Broach | |
| US2925019A | Broaching machine | |
| US2786360A | Indexing mechanism | |
| US2858744A | Automatic broach handling mechanism |