| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Thermal processes | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Internal-combustion piston engines | |
| #3 | Steam generation | |
| #4 | Fluid heaters | |
| #5 | Domestic heating systems | |
| #6 | Solid fuel combustion | |
| #7 | Grates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Longard Clarence C | 27 |
| Publication | Filing date | Title |
|---|---|---|
| US1127265A | Internal-combustion engine. | |
| US1109999A | Internal-combustion engine. | |
| US1093709A | Internal-combustion engine. | |
| US1101300A | Internal-combustion engine. | |
| CA93402A | Wrench | |
| US787778A | Wrench. | |
| CA89960A | Wrench | |
| CA87235A | Hot water heater | |
| CA89562A | Wrench | |
| CA87222A | Hot water heater | |
| CA87236A | Hot water heating system | |
| CA89561A | Vise | |
| US764610A | Hot-water heating system. | |
| US773152A | Hot-water heater. | |
| US762070A | Vise. | |
| US768385A | Hot-water heater. | |
| US762069A | Wrench. | |
| US732306A | Wrench. | |
| US716564A | Wrench. | |
| CA80344A | Pipe wrench |