| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | Argentina | 2 | |
| #5 | Brazil | 2 | |
| #6 | France | 2 | |
| #7 | Australia | 1 | |
| #8 | China | 1 | |
| #9 | Germany | 1 | |
| #10 | Italy | 1 | |
| #11 | Japan | 1 | |
| #12 | Mexico | 1 | |
| #13 | Netherlands | 1 | |
| #14 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #15 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Measurement | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Weighing | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lagneau Jean Henri | 13 |
| #2 | Lagneau Jean H | 5 |
| #3 | Lagneau Jean | 1 |
| #4 | Jiyan Anrii Raniyooo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2848536A1 | Device for completing the draining of a silo | |
| FR2701462A1 | Device for emptying a silo comprising a lateral evacuation pipe. | |
| AR241677A1 | A device for unloading silos. | |
| EP0084750A1 | Emptying device for containers | |
| CA1085883A | Weighing device |