| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | United States | 4 | |
| #3 | Germany | 3 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Engines, pumps and turbines | |
| #3 | Machine tools | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Non-positive-displacement pumps | |
| #3 | Grinding tools | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edwin Juelson | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB341708A | Improvements in vacuum cleaner devices | |
| GB342045A | Improvements relating to pumps | |
| GB343894A | Improvements in vacuum cleaners | |
| US1786756A | Vacuum cleaner | |
| US1818259A | Pump | |
| US1774062A | Vacuum cleaner | |
| US1346212A | Razor-stropping device |