| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | United States | 5 | |
| #3 | France | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Winches | |
| #3 | Elevators and escalators | |
| #4 | Clutches and brakes | |
| #5 | Positive-displacement engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Otto Ohnesorge | 5 |
| #2 | Ohnesorge Otto | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2002126A | Friction drive | |
| US2106358A | Rope transmission | |
| US2005438A | Rope gearing | |
| GB365021A | Improvements in and relating to rope or like gearing | |
| US1828255A | Rope gearing and the like | |
| GB345536A | Improvements in and relating to rope gearing and the like | |
| US2012517A | Friction drive | |
| GB329708A | Improvements in and relating to rope gearing and the like | |
| GB148155A | Improvements in lifting, lowering and hauling gear | |
| GB148154A | Improvements in lifting, lowering and hauling gear |