| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 17 | |
| #2 | Germany | 12 | |
| #3 | Sweden | 7 | |
| #4 | Switzerland | 6 | |
| #5 | Canada | 5 | |
| #6 | United States | 5 | |
| #7 | Denmark | 3 | |
| #8 | United Kingdom | 3 | |
| #9 | France | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Packaging and shipping |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ragnegard Samuel | 6 |
| #2 | Gustaf Haglund | 6 |
| #3 | Ragnegard S | 6 |
| #4 | Ragnegaord Samuel | 4 |
| #5 | Bengt Lundh | 4 |
| #6 | Strid Kent | 3 |
| #7 | Olov Lundh Bengt | 3 |
| #8 | Sundkvist Goeran | 2 |
| #9 | Sundkvist G | 2 |
| #10 | Carl Oscar Sillen Rutger | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA1259571A | Rotating disc filter | |
| FI840499A0 | Rotating disc filter | |
| DE3325254A1 | Apparatus for the elimination of a fibre layer from a rotating disc filter | |
| SE8006776L | Process and apparatus for slaking quicklime using green lye | |
| FI802528A | Saett och filter for avskiljande av filterbara partiklar ur en vaetskesuspension | |
| US3485294A | Arrangement in panel-type heating radiators | |
| GB782044A | Paper folding machine | |
| GB692831A | Improvements in contacting apparatus for gases or vapours and liquids | |
| GB693065A | Improvements in or relating to the production of a liquid mixture having a substantially constant specific weight |