| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Belgium | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 | |
| #6 | Sweden | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Surface technology and coating | |
| #5 | Environmental technology | |
| #6 | Materials and metallurgy | |
| #7 | Textiles and paper | |
| #8 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Venting or aerating devices | |
| #3 | Water treatment | |
| #4 | Electrolytic processes | |
| #5 | General building constructions | |
| #6 | Paper coating | |
| #7 | Structural elements | |
| #8 | Building materials | |
| #9 | Shaping of plastics | |
| #10 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holger Bertil Nystroem Ernst | 8 |
| #2 | Nystroem Ernst Holger Bertil | 4 |
| #3 | Nystroem E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1311901A | Membrane pump | |
| GB1171249A | Electrolytic Cells |