| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 23 | |
| #2 | France | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Transport | |
| #4 | Packaging and shipping | |
| #5 | Foods and drinks | |
| #6 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Rolling metal | |
| #3 | Earth drilling | |
| #4 | Railway bodies | |
| #5 | Percussive tools | |
| #6 | Separating solids | |
| #7 | Winches | |
| #8 | Couplings | |
| #9 | Containers for goods storage | |
| #10 | Foods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meyer Eduard | 2 |
| #2 | Eduard Meyer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2040755A | Regulating means for rolling mechanisms |