| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 13 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnston Walter Thomas | 6 |
| #2 | Davenport Robert Farrer | 2 |
| #3 | Stevens Gordon Henry | 1 |
| #4 | Dillon Thomas Joseph | 1 |
| #5 | Lane Leon Kendall | 1 |
| #6 | Prentice William R | 1 |
| #7 | Montgomery James | 1 |
| #8 | Smith Thomas | 1 |
| #9 | Taylor Herbert Munro | 1 |
| #10 | Montgomery Seaton James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB975085A | Gas fired heat exchanger apparatus | |
| CA315646A | Pulley | |
| CA262792A | Packing ring | |
| CA239535A | Pump | |
| CA326340A | Furnace | |
| CA257987A | Valve mechanism for pumps | |
| CA310625A | Supporting base | |
| CA315645A | Hot air furnace | |
| CA324752A | Air humidifier and purifier | |
| CA315644A | Hot air furnace | |
| CA377282A | Clothes line support | |
| CA287687A | Pump | |
| CA198811A | Machine for slotting wrench blanks | |
| CA224494A | Crushing device for ore crushers |