| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 32 | |
| #2 | Austria | 5 | |
| #3 | Germany | 4 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Packaging and shipping | |
| #4 | Furniture and games | |
| #5 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walter Rueegsegger | 30 |
| #2 | Rueegsegger Walter | 9 |
| Publication | Filing date | Title |
|---|---|---|
| DE3740257A1 | Wood gasifying furnace, in particular for chips blown into a filling shaft with conveying air and wood waste charged by hand or with a worm | |
| DE2432487A1 | Conveyor system with conveyor screw | |
| CH580782A5 | Waste wood fixed furnace auger feeder - variable density of chips is compensated by slider mechanism | |
| CH569927A5 | Waste wood fixed furnace auger feeder - variable density of chips is compensated by slider mechanism |