| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | Denmark | 1 | |
| #4 | France | 1 | |
| #5 | Italy | 1 | |
| #6 | Sweden | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Furniture and games | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Special furniture | |
| #3 | Testing of structures | |
| #4 | Servomotors | |
| #5 | Presses | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergstrand Gunnar | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US4453455A | Force amplifying displacement device | |
| GB988509A | Improvements in or relating to elastic sleeve valves | |
| GB971816A | A mounting panel for fluid control valves | |
| GB976345A | Improvements in or relating to fluid control valves | |
| GB739363A | An improved freezing and cooling display case |