| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 44 | |
| #2 | France | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Presses | |
| #4 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernst Walter | 18 |
| #2 | Muller Johan Albert | 3 |
| #3 | Flowers Paul Eugene | 3 |
| #4 | Macmillin Howard F | 3 |
| #5 | Flowers Paul E | 2 |
| #6 | Ernest Walter | 2 |
| #7 | Muller Johan A | 2 |
| #8 | Lindner Philip Joseph | 2 |
| #9 | Riddle William Jenny | 1 |
| #10 | Tucker Warren Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2371078A | Radial pump with trunnion mounting of shift ring | |
| CA400253A | Metal article working method | |
| CA437445A | Metal stretching press | |
| CA423304A | Relief valve | |
| CA435138A | Hydraulic press | |
| CA437637A | Triple action heavy duty press | |
| CA433696A | Injection moulding apparatus | |
| CA454729A | Extrusion machine | |
| CA423018A | Press with a die cushion | |
| CA427036A | Hydraulic control system | |
| CA405516A | Hydraulic drawing press | |
| CA430284A | Blank holder press | |
| CA407292A | Hydraulic machine circuit | |
| CA423537A | Casting machine control system | |
| CA417693A | Cylindrical press | |
| CA402779A | Metal drawing press | |
| CA392478A | Pumping system | |
| CA417409A | Variable delivery pump | |
| CA431041A | Press levelling means | |
| CA426549A | Briquetting press |