| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Czechoslovakia | 1 | |
| #3 | Germany | 1 | |
| #4 | Spain | 1 | |
| #5 | Finland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Shafts | |
| #3 | Installation of electric cables | |
| #4 | Safety devices | |
| #5 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sikstroem Karl Birger | 3 |
| #2 | Sikstrom Karl Birger | 2 |
| #3 | Sikstroem Karl B | 2 |
| #4 | Sikstrom Karl B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1563425A | Holder for suspending objects | |
| CA977591A | Expansion bolt |