| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | Switzerland | 3 | |
| #3 | Spain | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Canada | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamilton Walter Birkett | 10 |
| #2 | Evans Thomas Allen | 6 |
| #3 | Thomas Allen Evans | 3 |
| #4 | Walter Birkett Hamilton | 3 |
| #5 | Blackwell Harold Alexander | 1 |
| #6 | Holland Job | 1 |
| #7 | Turner William Lawrence | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1296384A | Manufacture of gray cast-iron. | |
| GB118690A | Improvements in Electrodes for Electric Furnaces and like purposes. | |
| GB115705A | Improved Means for Preventing the Oxidation or Wasting of the Electrodes in Electric Furnaces. | |
| GB114328A | Improvements in the Manufacture of Grey Cast Iron. | |
| CA265596A | Iron and steel alloy |