| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Chemical engineering | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Unspecified technologies | |
| #3 | Separation | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shanor Edgar E | 5 |
| #2 | Mardersteck Karl W | 2 |
| #3 | Jones Hugh R | 1 |
| #4 | Hawthorne Primm R | 1 |
| #5 | Esslinger Frederick J | 1 |
| #6 | Mittinger George E Jr | 1 |
| #7 | Freitag Theodore R | 1 |
| #8 | Mardersteck Carl W | 1 |
| #9 | Waller Pittman Ernest | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2293145A | Device for assembling tank plates | |
| US2299183A | Sheet metal barrel or drum | |
| US2108024A | Means for closing sealing rings | |
| US1994110A | Oil and gas separator | |
| US1929375A | Means for sealing open head drums | |
| US1980960A | Method of making shipping drums | |
| US1734805A | Apparatus for testing pipe | |
| US1842260A | Spud and plug assembly | |
| US1062601A | Metal bung. | |
| CA337360A | Weld rod coating | |
| CA332352A | Floating roof seal |