| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Machines | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Street cleaning | |
| #3 | Clutches and brakes | |
| #4 | Heat-exchange device details | |
| #5 | Vehicle transmission mounting | |
| #6 | Unspecified technologies | |
| #7 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harry Linn Holman | 10 |
| #2 | Linn Holman Harry | 2 |
| #3 | Sloan Philip W | 1 |
| #4 | Hanks George R | 1 |
| #5 | Linn Holman H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2341883A | Convertible vehicle | |
| US2070015A | Track trailer | |
| US2027989A | Dump body for vehicles | |
| US2023330A | Gate control for vehicle dump bodies | |
| US1877516A | Head casting for radiators | |
| US1895387A | Logging bolster | |
| US1858154A | Tractor | |
| US1809344A | Tractor | |
| US1903629A | Vehicle brake | |
| US1685641A | Vehicle drive | |
| US1835506A | Universal joint | |
| GB300790A | Improvements in or relating to snow plows | |
| GB299609A | Improvements in or relating to endless track vehicles | |
| US1701979A | Snowplow | |
| US1685676A | Tractor | |
| CA284792A | Snow plow | |
| CA289312A | Tractor |