| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Making metal sheets | |
| #3 | Punching metal | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Taylor Edward | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2329956A | Pipe fitting | |
| US2324335A | Pipe joint | |
| US2318113A | Means for producing pipe bends | |
| US2208821A | Fitting | |
| US2216606A | Method of making spiral pipe | |
| US2067801A | Metal strip for and method of making spiral pipe | |
| US2031138A | Method of welding | |
| US2015246A | Welding outlet | |
| US1986419A | Coupling means | |
| US1883094A | Pipe fitting for welding | |
| US1967728A | Method of making pipe |