| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Austria | 3 | |
| #3 | Belgium | 3 | |
| #4 | Brazil | 3 | |
| #5 | Switzerland | 3 | |
| #6 | Germany | 3 | |
| #7 | France | 3 | |
| #8 | Italy | 3 | |
| #9 | Canada | 2 | |
| #10 | Sweden | 2 | |
| #11 | Czechoslovakia | 1 | |
| #12 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hammes Wilhelm | 11 |
| #2 | Hammes W | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US3910450A | Bung drum made of plastics with one or more bung openings |