| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 5 | |
| #2 | South Africa | 5 | |
| #3 | Israel | 4 | |
| #4 | Italy | 3 | |
| #5 | Sweden | 3 | |
| #6 | Ireland | 2 | |
| #7 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #8 | Argentina | 1 | |
| #9 | Norway | 1 | |
| #10 | Turkey | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Doors and windows | |
| #3 | Structural elements | |
| #4 | Office furniture | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rensch E | 15 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7107243B | Structural frame | |
| ZA7004190B | Building frame structure | |
| ZA7101500B | Building frame structure | |
| IL34662D0 | Building frame structure | |
| IL34499D0 | Framework for erection of buildings | |
| ZA7002994B | Latticework for the erection of buildings | |
| IL33445D0 | Building construction of prefabricated parts |