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YA Yara International Asa: 1 patents #53 of 134Top 40%
📍 Skien, NO: #50 of 110 inventorsTop 50%
Overall (All Time): #3,330,820 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7563419 Method and device for supporting catalyst gauzes in an ammonia oxidation burner Halvor ØIEN, Leif Kåre Grønstad, Øystein Nirisen, Per Ivar KARLSEN 2009-07-21