| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Finland | 7 | |
| #3 | Sweden | 7 | |
| #4 | Denmark | 5 | |
| #5 | France | 5 | |
| #6 | Norway | 5 | |
| #7 | United States | 5 | |
| #8 | Italy | 4 | |
| #9 | Australia | 3 | |
| #10 | United Kingdom | 3 | |
| #11 | Netherlands | 3 | |
| #12 | Switzerland | 2 | |
| #13 | Austria | 1 | |
| #14 | Belgium | 1 | |
| #15 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Sewers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlsson Frans Harry | 17 |
| #2 | Faxen Per Torsten | 12 |
| #3 | Karlsson F H | 11 |
| #4 | Faxen P T | 11 |
| #5 | Karlsson H | 4 |
| #6 | Karlsson F | 3 |
| #7 | Karlsson Harry | 3 |
| #8 | Harry Karlsson Frans | 2 |
| #9 | Frans Harry Karlsson | 1 |
| #10 | Harry Karlsson Franz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU8105475A | Float operated valve | |
| DE2458348A1 | FLUSHING AND REFILLING DEVICE FOR USE IN THE FLUSH BOX OF A WATER LESSON | |
| DE2458192A1 | FLUSHING AND REFILLING DEVICE FOR USE IN THE FLUSH BOX OF A WATER LESSON | |
| US3934276A | Flushing cistern | |
| GB1267382A | Improvements in or relating to methods of manufacturing valves | |
| CA907284A | Methods of manufacturing hollow bodies with separate elements enclosed therein |