FLAME GUARD WATER HEATERS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 237
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 522
 
  
 
F23D BURNERS 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6508207 Flammable vapor resistant water heater with low NOx emissionsFeb 07, 01Jan 21, 03[F22B, F23D]
6446581 Flammable vapor resistant water heater with low NOx emissionsNov 16, 01Sep 10, 02[F22B]
6443103 Flammable vapor resistant water heater with low NOx emissionsAug 17, 01Sep 03, 02[F22B]
6418883 Ignition inhibiting gas water heaterMar 14, 01Jul 16, 02[F22B]
6401668 Ignition inhibiting gas water heaterJan 16, 01Jun 11, 02[F22B]
6371057 Adjustable mount for a gas control valve of a water heaterDec 21, 00Apr 16, 02[F22B]
6302062 Sealed access assembly for water heatersJun 10, 99Oct 16, 01[F22B]
6295951 Ignition inhibiting gas water heaterDec 09, 96Oct 02, 01[F22B]
6293230 Water heaters with flame trapsOct 20, 98Sep 25, 01[F22B]
6269779 Sealed access assembly for water heatersAug 21, 98Aug 07, 01[F22B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0188,699 Ignition inhibiting gas water heater and controllerAbandonedApr 02, 03Oct 09, 03[F24H, F22B]
2002/0134,320 Ignition inhibiting gas water heater and controllerAbandonedMay 13, 02Sep 26, 02[F22B]
2001/0010,209 Ignition inhibiting gas water heaterAbandonedMar 12, 01Aug 02, 01[F22B]

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