| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Producer gas production | |
| #3 | Manufacturing processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laughlin Alexander | 9 |
| #2 | Reuleaux Josef | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA81501A | Gas producer | |
| CA82399A | Heating furnace | |
| CA70341A | Heating furnace | |
| CA70340A | Heating furnace | |
| GB190101918A | Improvements in and relating to Gas Producers. | |
| US671893A | Continuous-heating furnace. | |
| US676329A | Gas-producer. | |
| US671892A | Gas-producer. | |
| US629510A | Annealing-furnace. | |
| US672381A | Heating-furnace. | |
| GB189711703A | Improvements in Heating Furnaces. |