| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 5 | |
| #3 | Germany | 3 | |
| #4 | United States | 3 | |
| #5 | Belgium | 2 | |
| #6 | Australia | 1 | |
| #7 | Switzerland | 1 | |
| #8 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Preheating for stem generation | |
| #3 | Controlling combustion | |
| #4 | Unspecified technologies | |
| #5 | Venting or aerating devices | |
| #6 | Fluid heaters | |
| #7 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williams Robert Spencer | 5 |
| #2 | Williams Robert S | 4 |
| #3 | Northcote Reginald Dennis | 4 |
| #4 | Northcote Reginald D | 3 |
| #5 | Williams R | 2 |
| #6 | Richard Jones Cedric | 2 |
| #7 | Dennis Northcote Reginald | 2 |
| #8 | Tatem John Arthur | 1 |
| #9 | Jones Cedric Richard | 1 |
| #10 | Jones Cedric R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA934622A | Industrial boilers | |
| GB1235263A | Improvements relating to industrial boilers | |
| GB1245167A | Improvements relating to industrial boilers | |
| GB1243511A | Improvements in boilers | |
| GB1207175A | Improvements in or relating to valve systems | |
| FR1524655A | Boiler | |
| US3382848A | Boilers | |
| GB1155268A | Improvements in Boilers. | |
| CA911281A | Industrial boilers | |
| CA833912A | Boilers | |
| CA870389A | Valve systems | |
| CA900298A | Industrial boilers |