| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Building materials | |
| #3 | Special furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hutchinson Joseph | 11 |
| #2 | Hamilton Clifford C | 1 |
| #3 | Hamilton Clifford Coates | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA195391A | Damper for stove pipes | |
| CA186228A | Mechanical restaurant service | |
| US1215536A | Mechanical restaurant-service. | |
| GB190516111A | An Improved Form of Dish or Tray for Developing Photographic Images on Rigid Supports. | |
| CA95210A | Gas mantle burner | |
| GB190419677A | Incandescent Gas Lighting Fittings. | |
| US773793A | Fixture-arm burner for incandescent mantles. | |
| US741967A | Incandescent-gas-fixture fitting. | |
| US744919A | Gas-burner. | |
| US743510A | Ancandescent gas-burner. | |
| CA238194A | Grease cup |