| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Lifting and pushing | |
| #2 | Hand carts | |
| #3 | Pipes | |
| #4 | Transferring liquids | |
| #5 | Vehicle connections | |
| #6 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gourreau | 1 |
| #2 | Lassau Pierre | 1 |
| #3 | Golovanow D L | 1 |
| #4 | Bizet E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES324271A3 | Improvements in moving bridges and lifting bridges. (Machine-translation by Google Translate, not legally binding) | |
| FR897198A | Improved variable flow pump with reversal of flow direction |