| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Textiles and paper | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Making paper containers | |
| #3 | Containers for goods storage | |
| #4 | Smoking accessories |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hammer Steffen | 6 |
| #2 | Steffen Hammer | 2 |
| #3 | William Bruff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES217798A1 | A method and a device for making welding operations on a plastic film sheet (Machine-translation by Google Translate, not legally binding) | |
| ES159657A1 | A machine to apply closure strips in bags and cucuruchos | |
| CA666274A | Method for production of reinforced bags, tobacco pouches etc. of synthetic foil |