Nathaniel Energy Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F23B METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL 110
 
 
 
F23D BURNERS 131
 
 
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION111

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5284103 Bio-mass burner constructionDec 04, 92Feb 08, 94[F23G, F23D]
5178076 Bio-mass burner constructionSep 06, 91Jan 12, 93[F23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7007616 Oxygen-based biomass combustion system and methodExpiredMar 30, 04Mar 07, 06[F23B]
6959654 Gasifier system and methodExpiredDec 31, 02Nov 01, 05[F23L]
6532879 Gasifier system and methodExpiredFeb 04, 02Mar 18, 03[F23L]
2001/0027,737 GASIFIER SYSTEM AND METHODAbandonedAug 21, 98Oct 11, 01[F23G, F23J, F23N, F23B]
4475471 Bio-mass burner with grate therefor and method of operationExpiredMay 31, 83Oct 09, 84[F23K, F23B]
4395956 Bio-mass burner with grate therefor and method of operationExpiredFeb 22, 82Aug 02, 83[F23K, F23B]
4341199 Bio-mass burner with grate therefor and method of operationExpiredJun 13, 80Jul 27, 82[F23H]

Top Inventors for This Owner

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