| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Italy | 4 | |
| #5 | Japan | 4 | |
| #6 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Belts or cables for driving | |
| #3 | Shaping of plastics | |
| #4 | Fillers | |
| #5 | Presses | |
| #6 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nordengren Rolf Gunnar Jonas | 6 |
| #2 | Nordengren R G J | 5 |
| #3 | Rorufu Gunnaaru Yonasu Noruden | 4 |
| #4 | Nordengren Rolf G J | 1 |
| #5 | Nordengren R G F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4139465A | Method for washing filter-cakes and a spray nozzle intended for use with the method | |
| GB1518369A | Endless-belt filters | |
| US4080298A | Arrangement in filters of the endless-belt type having a longitudinally extending vacuum-suction box arranged beneath the rotating belt | |
| JPS5234464A | Method of fitting belt on endless belt type filter assemblies | |
| GB1529609A | Method and apparatus for depositing a sludge for deposition onto the filter surface of an endless belt filter |