| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Canada | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Spain | 1 | |
| #5 | Finland | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Auxiliaries on vessels | |
| #2 | Ships | |
| #3 | Unspecified technologies | |
| #4 | Bolts for doors or windows | |
| #5 | General building constructions | |
| #6 | Pipes | |
| #7 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lenz Josef | 7 |
| #2 | De Rover | 1 |
| #3 | De Rover J | 1 |
| #4 | De Rover Jan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0552505A1 | Panel for closing an opening and clip system for use as a part thereof | |
| DE2553865A1 | VENTILATION DEVICE WITH FAN HEAD, ESPECIALLY FOR CARGO SHIPS | |
| DE2330858A1 | Wall-assembly system for connection to base - connects to uprights and framework and is based on screen of intersecting support lines | |
| DE2256144A1 | FAN HEAD, IN PARTICULAR FOR AIR TUBES OF SHIP TANKS | |
| DE2160371A1 | FAN HEAD |