| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Spain | 2 | |
| #6 | Germany | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Cyclically operating valves | |
| #3 | Lubricating of machines | |
| #4 | Unspecified technologies | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rice John Virtue Jr | 4 |
| #2 | Rice Jr John V | 2 |
| #3 | Rice John V Jr | 2 |
| #4 | Engine Company Rice Gas | 2 |
| #5 | Rice John Virtue | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1449191A | Vacuum igniter | |
| US1456009A | Automatic lubricating device for remote movable and other parts | |
| US967559A | Starting and reversing mechanism for gas-engines. | |
| US958975A | Gas-engine. | |
| CA234332A | Oscillating internal combustion engine | |
| CA232269A | Aviation motor | |
| CA236656A | Lubricator | |
| CA233563A | Internal combustion engine | |
| CA238152A | Starting and reversing device for gas engines |