| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 10 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | United States | 5 | |
| #4 | Australia | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Canada | 2 | |
| #7 | Norway | 2 | |
| #8 | South Africa | 2 | |
| #9 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Materials and metallurgy | |
| #4 | Engines, pumps and turbines | |
| #5 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hengelmolen Adrianus Jacobus | 22 |
| #2 | Hengelmolen Adrianus J | 6 |
| #3 | Adrianus Jacobus Hengelmolen | 2 |
| #4 | Hengelmolen Adrianmus J | 1 |
| #5 | Marshall Peter | 1 |
| #6 | Williams David Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9125917D0 | Furnace systems and charger mechanisms for furnaces | |
| GB9025759D0 | Apparatus for melting aluminium | |
| GB9007319D0 | Rotary melting furnace | |
| GB8926815D0 | Hot gas blower | |
| GB8902497D0 | Improvements in or relating to safety apparatus | |
| EP0289128A1 | Furnace systems | |
| US4901789A | Heat regenerators | |
| GB8728182D0 | Improvements in/relating to safety apparatus | |
| GB8724944D0 | Furnaces |