| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Czechoslovakia | 1 | |
| #7 | German Democratic Republic | 1 | |
| #8 | Denmark | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Spain | 1 | |
| #11 | Finland | 1 | |
| #12 | Hungary | 1 | |
| #13 | India | 1 | |
| #14 | Norway | 1 | |
| #15 | New Zealand | 1 | |
| #16 | Philippines | 1 | |
| #17 | Poland | 1 | |
| #18 | United States | 1 | |
| #19 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #20 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Climate change adaptation technologies | |
| #3 | Organic fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wiederkehr Hans | 9 |
| #2 | Wiederkehr Hans Dr | 4 |
| #3 | Wiederkehr H | 3 |
| #4 | Stoeckler Reinhold | 1 |
| #5 | Wiederkehr Hans Dipl-Ing | 1 |
| #6 | Wiederkehr Hans Dr Ing | 1 |
| #7 | Rechsteiner Franz | 1 |
| #8 | Wilderkehr Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1006520B | The crop material handling device | |
| CH664149A5 | Humus concentrate mfr. - from domestic refuse by pre:sorting, mixing with finished compost, crushing and compacting before rotting | |
| CH665591A5 | Method and device for treating vegetable goods. |