| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hillier Harold | 15 |
| #2 | Sim James | 9 |
| #3 | Lang Charles Russell | 8 |
| #4 | Weir James George | 5 |
| #5 | Douglas The Right Honourable W | 2 |
| #6 | Mcalpine Thomas | 2 |
| #7 | Lang Charles Russel | 1 |
| #8 | Macfarlane William Allan | 1 |
| #9 | Hagen David Cuthbertson | 1 |
| #10 | Macfarlane James Colquhoun | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA440054A | Valve and valve assembly | |
| CA448033A | Control of boiler feed pump | |
| CA342159A | Displacement pump | |
| CA346254A | Centrifugal pump | |
| CA309338A | Condencing plant for steamships | |
| CA436912A | Pump | |
| CA199424A | Feed water system for steamships | |
| CA221091A | Steam jet water heater | |
| CA335123A | Boiler feed water de-aerating apparatus | |
| CA339409A | Pump control means | |
| CA195903A | Feed water system | |
| CA427596A | Centrifugal pump | |
| CA241633A | Boiler feeding apparatus | |
| CA269110A | Combustion engine | |
| CA313320A | Boiler feed water device | |
| CA334706A | Liquid level regulator | |
| CA340091A | Rotary gas pump | |
| CA427595A | Steam power plant closed feed system | |
| CA230931A | Withdrawal of air from steam condensers | |
| CA224841A | Air ejector |