| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 3 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Olof Lundberg | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB425210A | Improvements in and relating to water closet flushing apparatus | |
| GB415960A | Improvements in and relating to water closets | |
| US1964921A | Water-supply cock | |
| GB374651A | Improvements in and relating to water-supply cocks | |
| US1919700A | Water closet | |
| GB375382A | Improvements in water closets | |
| US1930012A | Water closet | |
| GB357415A | Improvements in and relating to flushing apparatus for water closets |