| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Spain | 2 | |
| #5 | Finland | 2 | |
| #6 | Japan | 2 | |
| #7 | Norway | 2 | |
| #8 | Belgium | 1 | |
| #9 | Denmark | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | France | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 | |
| #15 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Office furniture | |
| #3 | General building constructions | |
| #4 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rensch Eberhard G | 11 |
| #2 | Rensch E G | 4 |
| #3 | Rensch E | 2 |
| #4 | Ebaahaado Jii Renshiyu | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE3204525A1 | Construction kit | |
| EP0040792A2 | Skeleton construction for buildings | |
| DE3116993A1 | Skeleton for structures | |
| DE3039781A1 | Hollow metal multi-face pavilion type column - is rolled or deep drawn with core inside bottoms of panel or beam holder grooves | |
| DE3020048A1 | Construction system with multi-surface skeleton members - uses profiled struts and beams and special clips to fix wall panels in skeleton | |
| IT8019919D0 | Modular furniture assembly sections | |
| DK53180A | Moebelbyggesaet |