| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Denmark | 4 | |
| #3 | Switzerland | 1 | |
| #4 | Spain | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement | |
| #3 | Surface technology and coating | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Electrolytic coating production | |
| #3 | Unspecified technologies | |
| #4 | Measuring light |
| # | Name | Total Patents |
|---|---|---|
| #1 | Presser Ernst | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1117240A | Method of insulating wire of aluminium and the like. | |
| GB191101059A | An Improved Selenium Photometer. | |
| GB191015033A | A Process for the Automatic Polarisation of Fluid Condensers in an Electric Welding Apparatus. | |
| GB191014859A | An Improved Electric Welding Process. |