| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Brazil | 3 | |
| #3 | Germany | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Canada | 2 | |
| #7 | Finland | 2 | |
| #8 | United States | 2 | |
| #9 | Japan | 1 | |
| #10 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Weighing | |
| #2 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wahl Richard Carl | 9 |
| #2 | Wahl Richard C | 9 |
| #3 | Wahl Eugene Robert | 7 |
| #4 | Winters Ralph J | 5 |
| #5 | Greck Eugene | 1 |
| #6 | Wahl Eugene R | 1 |
| #7 | Rarufu Jiei Uintaazu | 1 |
| #8 | Wahl Eugene A | 1 |
| #9 | Richiyaado Shii Waaru | 1 |
| #10 | Wahl Eugene Adam | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1297830C | Non-flooding set rate feeder | |
| EP0139060A1 | Material feeding apparatus | |
| FI834094A0 | Aktiveringsanordning foer bingar. | |
| US4475669A | Non-flooding belt feeder | |
| GB2084968A | Discharging hoppers | |
| DE3039680A1 | TWO-STAGE DEVICE FOR CONVEYING THE FLOW OF MATERIAL FROM A STORAGE CONTAINER | |
| US4310106A | Side outlet portable container unloader |