| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Canada | 6 | |
| #3 | France | 5 | |
| #4 | United Kingdom | 4 | |
| #5 | Germany | 3 | |
| #6 | United States | 2 |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Unspecified technologies | |
| #3 | Rail vehicle suspensions | |
| #4 | Vehicle wheels | |
| #5 | Vehicle transmission mounting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leake Thomas Clarence | 5 |
| #2 | Leake Thomas C | 2 |
| #3 | Leake Thomas Clarance | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB217422A | Improvements in and relating to endless-track tractors | |
| DE410571C | Track for motor vehicles with articulated pairs of cheeks | |
| GB210625A | Improvements in or relating to bearings | |
| GB208416A | Improvements in tractors | |
| US1677879A | Self-oiling bearing | |
| US1677878A | Tractor | |
| CA246557A | Framing for track laying tractor | |
| CA266288A | Tractor draft gear | |
| CA255730A | Traction wheel bearing | |
| CA257981A | Tractor | |
| CA246556A | Track laying tractor | |
| CA240887A | Track roller for tractors |