| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 5 | |
| #3 | Switzerland | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Agriculture | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Crop agriculture | |
| #3 | Wheelchairs and sledges | |
| #4 | Bolts for doors or windows | |
| #5 | Locks | |
| #6 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richard Venzlaff | 2 |
| #2 | Von Mumm Walther | 1 |
| #3 | Von Mumm Arthur | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB304593A | Improvements in ball joints for endless tracks and driving chains | |
| GB286245A | Improvements in endless-track vehicles | |
| US1473129A | Hand motor plow | |
| GB179125A | Improvements in steering gear for self-propelled vehicles | |
| GB176890A | Improvements in self-propelled vehicles | |
| GB177125A | Improvements in self-propelled vehicles |