| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Sweden | 2 | |
| #7 | Argentina | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Hot gas positive-displacement engine plants | |
| #2 | Machines | |
| #3 | Heat-exchange device details | |
| #4 | Heat-exchanger without contact | |
| #5 | Refrigerators | |
| #6 | Gearing | |
| #7 | Internal-combustion piston engines | |
| #8 | Unspecified technologies | |
| #9 | Turning | |
| #10 | Special machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schwemin Arnold J | 8 |
| #2 | Brook Geoff | 2 |
| #3 | Schwemin A J | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5071145A | Master jaw assembly | |
| CA1112910A | Drive mechanism for piston engines | |
| US4207774A | Drive mechanism for piston engines | |
| US4209061A | Heat exchanger |