| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Argentina | 3 | |
| #3 | Colombia | 3 | |
| #4 | Panama | 3 | |
| #5 | Peru | 3 | |
| #6 | El Salvador | 3 | |
| #7 | Brazil | 2 | |
| #8 | Switzerland | 2 | |
| #9 | China | 2 | |
| #10 | Indonesia | 2 | |
| #11 | Israel | 2 | |
| #12 | Mexico | 2 | |
| #13 | Malaysia | 2 | |
| #14 | New Zealand | 2 | |
| #15 | Canada | 1 | |
| #16 | Costa Rica | 1 | |
| #17 | Honduras | 1 | |
| #18 | Jordan | 1 | |
| #19 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Shaping of plastics | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zimmerli Rudolf | 21 |
| #2 | Fischer Hans | 8 |
| #3 | Rudolf Zimmerli | 3 |
| #4 | Zimmerli Rudulf | 1 |
| #5 | Hans Fischer | 1 |
| #6 | Zimmerli Adolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4236002A | Pipe connector method | |
| JO2016B1 | Pipe connector | |
| CH692429A5 | Pipe coupling with connector sleeve and end cap rings having ribbed surface | |
| HN1997000008A | TAPE OF PLASTIC MATERIAL FOR THE MANUFACTURE OF TUBES COILED IN A HELICOIDAL FORM | |
| CH689594A5 | A process for the production of moldings from fiber-reinforced hydraulically setting material. |