| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Vehicle parts | |
| #2 | Vehicle tyre repairing | |
| #3 | Unspecified technologies | |
| #4 | Springs | |
| #5 | Guiding railway traffic | |
| #6 | Clutches and brakes | |
| #7 | Pumps | |
| #8 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruff Frederick A | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1704345A | Luggage carrier | |
| US1630275A | Shock absorber | |
| US1617768A | Luggage carrier | |
| US1418676A | Combined mat and luggage carrier | |
| US1334557A | Coupling | |
| US1098173A | Tire-inflating apparatus. | |
| US973976A | Antiskidding device. | |
| US971312A | Emergency antiskidding device. | |
| US795652A | Vehicle-tire. | |
| US681739A | Electric igniter. | |
| US659454A | Switch-operating mechanism. |