| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Internal-combustion piston engines | |
| #3 | Cooling of machines | |
| #4 | Gearing | |
| #5 | Railway bodies | |
| #6 | Cyclically operating valves | |
| #7 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kilgore Frederick O | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1972403A | Cushioning device | |
| US1893058A | Hydraulic shock absorber | |
| US1300217A | Self-starting apparatus. | |
| US1203745A | Fluid transmission. | |
| US1056690A | Internal-combustion engine. | |
| US962437A | Gas-engine. | |
| US713650A | Logging-stake. | |
| CA53863A | Engine | |
| CA54853A | Loading and unloading machine | |
| CA48738A | Log carriage cushion | |
| US1076042A | Cushioning device for automobiles and like vehicles. | |
| US1075578A | Internal-combustion engine. |