| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Australia | 1 | |
| #7 | Switzerland | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Senft Frank W | 6 |
| #2 | Schenck Robert L | 6 |
| #3 | Schenck George E | 5 |
| #4 | Schenck G | 3 |
| #5 | Senft F | 3 |
| #6 | Schenck R | 3 |
| #7 | George E Schenck | 1 |
| #8 | Schenck Edward E | 1 |
| #9 | Robert L Schenck | 1 |
| #10 | Frank W Senft | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7801509B | Improved bar stock cutting machine | |
| US3906825A | Belt shearline having metering roller | |
| US3713317A | Bending machine | |
| US3680347A | Bending machine |