| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Germany | 3 | |
| #3 | Finland | 3 | |
| #4 | Norway | 3 | |
| #5 | United States | 3 | |
| #6 | Spain | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Belgium | 1 | |
| #9 | Canada | 1 | |
| #10 | Denmark | 1 | |
| #11 | Japan | 1 | |
| #12 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pettersson John Paul | 11 |
| #2 | Pettersson John P | 4 |
| #3 | Pettersson J P | 1 |
| #4 | Jiyon Pooru Petsutaason | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3009918A1 | ARRANGEMENT FOR THE COMBINED STATION SHUTTERING AND SLIDING SHUTTER CASTING OF CONCRETE WALLS | |
| US4260344A | Arrangement for guiding casting forms | |
| US4260345A | Arrangement for casting concrete walls |