![[Main Page]](/en/upload/wiki.png)
Main Page
patent
19969 Patents from more than 160 years : 1 |  Austria: 376 |
 Australia: 5 |  Belgium: 50 |
 Canada: 652 |  Switzerland: 985 |
 China: 158 |  Czechoslovakia: 3 |
 Cyprus: 1 |  GDR: 4 |
 Germany: 3834 |  Danmark: 25 |
 German Reich: 2 |  Europe: 3 |
 Spain: 2 |  Finnland: 97 |
 France: 541 |  Great Britain: 3086 |
 Greece: 2 |  Hungary: 2 |
 Israel: 4 |  Italy: 116 |
 Japan: 97 |  Netherlands: 115 |
 Poland: 5 |  Russia: 5 |
 Sweden: 843 |  Sovjet Union: 17 |
 USA: 8932 |  World: 5 |
 South Africa: 1 |