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22073 Patents from more than 160 years : 1 |  Austria: 394 |
 Australia: 7 |  Belgium: 78 |
 Canada: 656 |  Switzerland: 1026 |
 China: 158 |  Czechoslovakia: 364 |
 Cyprus: 1 |  GDR: 5 |
 Germany: 3980 |  Danmark: 29 |
 German Reich: 2 |  Europe: 4 |
 Spain: 2 |  Finnland: 97 |
 France: 875 |  Great Britain: 3249 |
 Greece: 2 |  Hungary: 10 |
 Israel: 4 |  Italy: 117 |
 Japan: 100 |  Luxemburg: 1 |
 Netherlands: 123 |  Norway: 1 |
 ARIPO: 1 |  Poland: 103 |
 Russia: 6 |  Sweden: 853 |
 Sovjet Union: 17 |  USA: 9801 |
 World: 5 |  South Africa: 1 |