| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Netherlands | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Water-closets with flushing devices | |
| #3 | Horticulture | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Soederhuyzen Eduard | 7 |
| #2 | Olst Gijsbrecht Hendrik Johan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6384786A | A connecting pipe part of a resilient material | |
| DE3229729A1 | CONNECTING PIECE MADE OF ELASTIC MATERIAL | |
| NL8200796A | Distribution pipe. |