| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 11 | |
| #2 | Australia | 4 | |
| #3 | Finland | 4 | |
| #4 | Canada | 3 | |
| #5 | Denmark | 3 | |
| #6 | EPO (European Patent Office) | 3 | |
| #7 | United Kingdom | 3 | |
| #8 | WIPO (World Intellectual Property Organization) | 3 | |
| #9 | Germany | 2 | |
| #10 | France | 2 | |
| #11 | Sweden | 2 | |
| #12 | United States | 2 | |
| #13 | Argentina | 1 | |
| #14 | Austria | 1 | |
| #15 | Belgium | 1 | |
| #16 | Brazil | 1 | |
| #17 | Spain | 1 | |
| #18 | Greece | 1 | |
| #19 | India | 1 | |
| #20 | Italy | 1 | |
| #21 | Japan | 1 | |
| #22 | Netherlands | 1 | |
| #23 | New Zealand | 1 | |
| #24 | Portugal | 1 | |
| #25 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Dry-docking of vessels | |
| #3 | Unspecified technologies | |
| #4 | Certain plastics | |
| #5 | Fillers | |
| #6 | Shaping of plastics | |
| #7 | Explosive charges | |
| #8 | Climate change adaptation technologies | |
| #9 | Water-closets with flushing devices | |
| #10 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ringdal Lars | 25 |
| #2 | Westlie Lars | 12 |
| #3 | Kohler Jens Christian | 7 |
| #4 | Ringdal Jan Otto | 6 |
| #5 | Ringdal L | 6 |
| #6 | Ringdal Lars Di | 4 |
| #7 | Koehler Jens Christian | 4 |
| #8 | Olsen Tore D | 4 |
| #9 | Voeyum Frank E | 3 |
| #10 | Koeler Jens Christian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9620036A1 | Means for purification/filtration of household waste water and the like | |
| US5888382A | Filtration tank and means for subsequent purification of waste water | |
| GB8912059D0 | Pipe insulation method | |
| DK450886D0 | Float or building body | |
| DE3229885A1 | AMMUNITION WITH SLEEVE AND BULLET FROM PLASTIC | |
| DE2935671A1 | METHOD FOR PRODUCING MOLDED BODIES FROM FOAM PLASTIC | |
| DK142471B | Exercise cartridge. |