| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Feeding fuel to combustion device | |
| #2 | Combustion residues removal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blackburn Arthur H | 3 |
| #2 | Fleming Frank E | 3 |
| #3 | Beers Royce L | 3 |
| #4 | Grahame Dallas F | 1 |
| #5 | Devoe William Evans | 1 |
| #6 | De Voe William Evans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB234323A | Improvements in or relating to mechanical stokers and the like | |
| US1544207A | Tuyere structure for single-retort stokers | |
| US1510266A | Tuyere block | |
| GB145499A | Improvements in under-feed stokers | |
| US1372267A | Self-cleaning side-dump underfeed-furnace | |
| US1326906A | Underfeed furnace | |
| US1472579A | Side-dump underfeed furnace | |
| CA199615A | Underfeed stoker | |
| DE369974C | Underfeed | |
| CA244239A | Valve mechanism for stoker rams | |
| CA254866A | Underfeed stoker | |
| CA244822A | Stoker-ram drive |