| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Mechanical elements | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Preheating for stem generation | |
| #2 | Non-positive-displacement pumps | |
| #3 | Siphons | |
| #4 | Pistons and sealings | |
| #5 | Machines | |
| #6 | Separation | |
| #7 | Cyclically operating valves | |
| #8 | Ships | |
| #9 | Water treatment | |
| #10 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hillier Harold | 4 |
| #2 | Sim James | 4 |
| #3 | Lang Charles Russel | 2 |
| #4 | Lang Charles Russell | 1 |
| #5 | Hagen David Cuthberson | 1 |
| #6 | Weir James George | 1 |