| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Austria | 4 | |
| #3 | Canada | 2 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ohnesorge Otto | 11 |
| #2 | Otto Ohnesorge | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB190619632A | Improvements relating to Hydraulic Machines and particularly to Distributing Gear therefor. | |
| CA326879A | Rope gearing | |
| CA302937A | Driving means for pulleys |