| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 106 | |
| #2 | Canada | 42 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Civil engineering | |
| #6 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brisbane Eugene C | 20 |
| #2 | Jessop George A | 13 |
| #3 | Brisbane Eugene Charles | 12 |
| #4 | Robert Bischoff | 9 |
| #5 | Arthur Young | 6 |
| #6 | Torleif Norbom | 6 |
| #7 | Bischoff Robert | 6 |
| #8 | Hilker Earl E | 6 |
| #9 | Breda Thoralf K | 4 |
| #10 | Smyser Harry E | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2704947A | Manual and automatic valve actuator with declutching unit | |
| US2824716A | Mechanism for limiting runaway speed of adjustable blade turbines | |
| US2689459A | Crest control gate for dams | |
| US2514097A | Hub construction for variable pitch propellers or the like | |
| US2518119A | Trash rake | |
| US2524304A | Trash rake | |
| US2436442A | Pump control system | |
| US2383549A | Valve operating mechanism | |
| US2345362A | Control system | |
| US2345361A | Control system | |
| US2360961A | Sluice gate | |
| US2345360A | Control system | |
| US2360982A | Reversible screw propeller operating mechanism | |
| US2327425A | Valve operating mechanism | |
| US2330493A | Tapered plug valve | |
| GB555439A | Wind turbine | |
| GB555247A | Wind turbine | |
| US2360792A | Wind turbine | |
| US2291937A | Hydraulic apparatus | |
| US2330468A | Fluid control means |