| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Sawing | |
| #3 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gustav Wiedeke | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2028578A | Tube cutter | |
| US1944338A | Tube and flue expander | |
| US1878049A | Tube expander | |
| US1815174A | Tube expander and the like | |
| US1785103A | Operating device for tube expanders and the like | |
| US1798442A | Expander for tubes and the like | |
| US1744850A | Tube and flue expander | |
| US1789572A | Tube-cutting tool | |
| US1756717A | Wrench | |
| US1680922A | Tube and flue expander | |
| US1584061A | Tube and flue expander |