Organic Waste Systems, Naamloze Vennootschap

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6905601 Method and device for anaerobically fermenting organic materialJun 19, 02Jun 14, 05[C02F]
6824686 Method for treating solid waste with an organic fractionSep 06, 02Nov 30, 04[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0064,619 Device for the Anaerobic Fermentation of Organic MaterialAbandonedOct 13, 11Mar 15, 12[C12M]
2008/0138,885 Method and device for the anaerobic fermentation of organic materialAbandonedDec 06, 07Jun 12, 08[C07G, C12M]
5389258 Method for the anaerobic decomposition of organic wasteExpiredJun 29, 93Feb 14, 95[C02F]
5318909 Device for the determination of aerobic biodegradabilityExpiredFeb 11, 93Jun 07, 94[C12M]
5264349 Method and device for determining in an accelerated manner the anaerobic biodegradability of a productExpiredApr 19, 91Nov 23, 93[C12Q]

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