| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Chemical engineering | |
| #3 | Machine tools | |
| #4 | Measurement | |
| #5 | Foods and drinks | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Presses | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Mixing | |
| #5 | Measuring volume | |
| #6 | Safes | |
| #7 | Beer |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ponndorf Wilhelm | 4 |
| #2 | Zieber August | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB901180A | Pipeline conveying apparatus | |
| GB908589A | Viscous materials conveying apparatus | |
| GB895109A | Improvements in or relating to dryers | |
| GB701876A | Improvements in conveyors for slurry, pulp or the like moist material |