| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | United States | 2 | |
| #6 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic communication technologies | |
| #3 | Mechanical elements | |
| #4 | Textiles and paper | |
| #5 | Machines | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Emergency protective circuit arrangements | |
| #2 | Pulse technique | |
| #3 | Safety devices | |
| #4 | Printing machines | |
| #5 | Unspecified technologies | |
| #6 | Presses |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levin Peter Erik | 5 |
| #2 | Levin P E | 4 |
| #3 | Larson E R | 1 |
| #4 | Larson Ernst R | 1 |
| #5 | Levin Peter E | 1 |
| #6 | Larson Ernst Raoul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2757074A1 | CONTROL DEVICE FOR A WORKING MACHINE | |
| FR2362335A1 | DEVICE FOR ECCENTRIC PRESS, TRIMMING PRESS OR OTHER SIMILAR APPARATUS | |
| US4134025A | Electric switch arrangement for use as a current supply switching means for a bipolar electric load | |
| US4134340A | Thermoplastic frame for silk-screen |