N-VIRO INTERNATIONAL CORPORATION

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C05F ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE111
 
  
 
F23C METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL 120

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE38238 Method for treating wastewater sludgeApr 08, 02Aug 26, 03[C02F]
6405664 Processes and systems for using biomineral by-products as a fuel and for NOx removal at coal burning power plantsApr 23, 01Jun 18, 02[C05F, F23C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7083728 Method for treating sludge using recycleExpiredSep 25, 03Aug 01, 06[C02F]
6883444 Processes and systems for using biomineral by-products as a fuel and for NOx removal at coal burning power plantsExpiredJan 03, 02Apr 26, 05[F23G, F23B, F23D]
2005/0066,860 Use of organic waste/mineral by-product mixtures in cement manufacturing processesAbandonedSep 25, 03Mar 31, 05[C01B, C04B]
6752848 Method for disinfecting and stabilizing organic wastes with mineral by-productsExpiredAug 08, 01Jun 22, 04[C05F]
6752849 Method for disinfecting and stabilizing organic wastes with mineral by-productsExpiredNov 19, 02Jun 22, 04[C05F]
6666154 Methods for controlling ignitability of organic waste with mineral by-productsExpiredApr 12, 02Dec 23, 03[F23G, F23B]
2003/0089,151 Method for disinfecting and stabilizing organic wastes with mineral by-productsAbandonedJun 19, 02May 15, 03[C05F]
6402801 Method for treating ammonia-containing organic wasteExpiredAug 04, 00Jun 11, 02[C05F]
6248148 Method for treating ammonia-containing organic wasteExpiredMay 01, 98Jun 19, 01[C05F, C02F]
5135664 Method for treating wastewater sludgeExpiredNov 30, 90Aug 04, 92[C02F]
4902431 Method for treating wastewater sludgeExpiredJan 28, 88Feb 20, 90[C02F]
4781842 Method of treating wastewater sludgeExpiredFeb 27, 87Nov 01, 88[C02F]
4554002 Beneficiating waste sludges for agricultural use and product made therebyExpiredMay 16, 83Nov 19, 85[C05F]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.