| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 4 | |
| #3 | Canada | 1 | |
| #4 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring length, angles and areas | |
| #3 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Forster F M O | 1 |
| #2 | Foerster F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1509696A | Arrangement for the inspection of transverse weld seams of a large-diameter steel pipe | |
| GB1458792A | System of test coils and method for determining properties of test pieces | |
| GB1445063A | Magnetic gradient detector | |
| GB1333634A | Magnetic flaw detection |