| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Finland | 2 | |
| #3 | France | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machine tools | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures | |
| #2 | Accessories for machine tools | |
| #3 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lindgren Kenneth | 4 |
| #2 | Erlandsson Sten | 4 |
| #3 | Lindgren Kenneth Birger | 4 |
| #4 | Lindgren Kenneth B | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE2852591A1 | SAFETY DEVICE FOR THE AUTOMATIC MONITORING AND CONTROL OF A PRESSURE FLUID SYSTEM | |
| CA1035764A | Adjustable tool positioning structure |