| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Japan | 1 | |
| #10 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Agriculture | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separating solids | |
| #2 | Preparing grain for milling | |
| #3 | Transport or storage devices | |
| #4 | Working stone | |
| #5 | Pipes | |
| #6 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidt Willibald | 8 |
| #2 | Willibald Schmidt | 1 |
| #3 | Buiribaruto Shiyumitsuto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3217542A1 | DEVICE FOR SUCTIONING DUST WHICH ARISES WHEN PUTTING A PROPERTY INTO A GOSSE | |
| DE3209791A1 | Curved pipeline | |
| GB258168A | Improvements in slate trimming tools and machinery |